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Journal articles on the topic 'Light angular momentum'

Author: Grafiati

Published: 14 December 2024

Last updated: 25 July 2025

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1

Stewart *, A. M. "Angular momentum of light." Journal of Modern Optics 52, no. 8 (2005): 1145–54. http://dx.doi.org/10.1080/09500340512331326832.

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2

Franke-Arnold, Sonja. "Optical angular momentum and atoms." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2087 (2017): 20150435. http://dx.doi.org/10.1098/rsta.2015.0435.

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Any coherent interaction of light and atoms needs to conserve energy, linear momentum and angular momentum. What happens to an atom’s angular momentum if it encounters light that carries orbital angular momentum (OAM)? This is a particularly intriguing question as the angular momentum of atoms is quantized, incorporating the intrinsic spin angular momentum of the individual electrons as well as the OAM associated with their spatial distribution. In addition, a mechanical angular momentum can arise from the rotation of the entire atom, which for very cold atoms is also quantized. Atoms therefor

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3

Schimmoller, Alex, Spencer Walker, and Alexandra S. Landsman. "Photonic Angular Momentum in Intense Light–Matter Interactions." Photonics 11, no. 9 (2024): 871. http://dx.doi.org/10.3390/photonics11090871.

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Light contains both spin and orbital angular momentum. Despite contributing equally to the total photonic angular momentum, these components derive from quite different parts of the electromagnetic field profile, namely its polarization and spatial variation, respectively, and therefore do not always share equal influence in light–matter interactions. With the growing interest in utilizing light’s orbital angular momentum to practice added control in the study of atomic systems, it becomes increasingly important for students and researchers to understand the subtlety involved in these interact

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4

Ballantine, Kyle E., John F. Donegan, and Paul R. Eastham. "There are many ways to spin a photon: Half-quantization of a total optical angular momentum." Science Advances 2, no. 4 (2016): e1501748. http://dx.doi.org/10.1126/sciadv.1501748.

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The angular momentum of light plays an important role in many areas, from optical trapping to quantum information. In the usual three-dimensional setting, the angular momentum quantum numbers of the photon are integers, in units of the Planck constantħ. We show that, in reduced dimensions, photons can have a half-integer total angular momentum. We identify a new form of total angular momentum, carried by beams of light, comprising an unequal mixture of spin and orbital contributions. We demonstrate the half-integer quantization of this total angular momentum using noise measurements. We conclu

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5

Fedosin, Sergey G. "On the dependence of the relativistic angular momentum of a uniform ball on the radius and angular velocity of rotation." International Frontier Science Letters 15 (February 29, 2020): 9–14. https://doi.org/10.18052/www.scipress.com/IFSL.15.9.

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In the framework of the special theory of relativity, elementary formulas are used to derive the formula for determining the relativistic angular momentum of a rotating ideal uniform ball. The moment of inertia of such a ball turns out to be a nonlinear function of the angular velocity of rotation. Application of this formula to the neutron star PSR J1614-2230 shows that due to relativistic corrections the angular momentum of the star increases tenfold as compared to the nonrelativistic formula. For the proton and neutron star PSR J1748-2446ad the velocities of their surface’s motion are

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6

Masalov, A. V., and V. G. Niziev. "Angular momentum of gaussian light beams." Bulletin of the Russian Academy of Sciences: Physics 80, no. 7 (2016): 760–65. http://dx.doi.org/10.3103/s1062873816070170.

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7

Nairat, Mazen. "Axial Angular Momentum of Bessel Light." Photonics Letters of Poland 10, no. 1 (2018): 23. http://dx.doi.org/10.4302/plp.v10i1.787.

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Both linear and angular momentum densities of Bessel, Gaussian-Bessel, and Hankel-Bessel lasers are determined. Angular momentum of the three Bessel beams is illustrated at linear and circular polarization. Axial Angular momentum is resolved in particular interpretation: the harmonic order of the physical light momentum. Full Text: PDF ReferencesG. Molina-Terriza, J. Torres, and L. Torner, "Twisted photons", Nature Physics 3, 305 - 310 (2007). CrossRef J Arlt, V Garces-Chavez, W Sibbett, and K Dholakia "Optical micromanipulation using a Bessel light beam", Opt. Commun., 197, 4-6, (2001). Cross

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8

Ritsch-Marte, Monika. "Orbital angular momentum light in microscopy." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2087 (2017): 20150437. http://dx.doi.org/10.1098/rsta.2015.0437.

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Light with a helical phase has had an impact on optical imaging, pushing the limits of resolution or sensitivity. Here, special emphasis will be given to classical light microscopy of phase samples and to Fourier filtering techniques with a helical phase profile, such as the spiral phase contrast technique in its many variants and areas of application. This article is part of the themed issue ‘Optical orbital angular momentum’.

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9

Ornigotti, Marco, and Andrea Aiello. "Surface angular momentum of light beams." Optics Express 22, no. 6 (2014): 6586. http://dx.doi.org/10.1364/oe.22.006586.

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10

Hugrass, W. N. "Angular Momentum Balance on Light Reflection." Journal of Modern Optics 37, no. 3 (1990): 339–51. http://dx.doi.org/10.1080/09500349014550401.

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11

Zhou, Hailong, Jianji Dong, Jian Wang, et al. "Orbital Angular Momentum Divider of Light." IEEE Photonics Journal 9, no. 1 (2017): 1–8. http://dx.doi.org/10.1109/jphot.2016.2645896.

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12

KIM, Teun-Teun. "Spin-Orbital Angular Momentum of Light and Its Application." Physics and High Technology 29, no. 10 (2020): 28–31. http://dx.doi.org/10.3938/phit.29.037.

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Like the eletron, the photon carries spin and orbital angular momentum caused by the polarization and the spatial phase distribution of light, respectively. Since the first observation of an optical vortex beam with orbital angular momentum (OAM), the use of an optical vortex beam has led to further studies on the light-matter interaction, the quantum nature of light, and a number of applications. In this article, using a metasurface with geometrical phase, we introduce the fundamental origins and some important applications of light with spin-orbit angular momentum as examples, including opti

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13

Cameron, Robert P., Jörg B. Götte, Stephen M. Barnett, and Alison M. Yao. "Chirality and the angular momentum of light." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2087 (2017): 20150433. http://dx.doi.org/10.1098/rsta.2015.0433.

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Chirality is exhibited by objects that cannot be rotated into their mirror images. It is far from obvious that this has anything to do with the angular momentum of light, which owes its existence to rotational symmetries. There is nevertheless a subtle connection between chirality and the angular momentum of light. We demonstrate this connection and, in particular, its significance in the context of chiral light–matter interactions. This article is part of the themed issue ‘Optical orbital angular momentum’.

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14

Magaña-Loaiza, Omar S., Mohammad Mirhosseini, Robert M. Cross, Seyed Mohammad Hashemi Rafsanjani, and Robert W. Boyd. "Hanbury Brown and Twiss interferometry with twisted light." Science Advances 2, no. 4 (2016): e1501143. http://dx.doi.org/10.1126/sciadv.1501143.

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The rich physics exhibited by random optical wave fields permitted Hanbury Brown and Twiss to unveil fundamental aspects of light. Furthermore, it has been recognized that optical vortices are ubiquitous in random light and that the phase distribution around these optical singularities imprints a spectrum of orbital angular momentum onto a light field. We demonstrate that random fluctuations of intensity give rise to the formation of correlations in the orbital angular momentum components and angular positions of pseudothermal light. The presence of these correlations is manifested through dis

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15

Barnett, Stephen M., Mohamed Babiker, and Miles J. Padgett. "Optical orbital angular momentum." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2087 (2017): 20150444. http://dx.doi.org/10.1098/rsta.2015.0444.

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We present a brief introduction to the orbital angular momentum of light, the subject of our theme issue and, in particular, to the developments in the 13 years following the founding paper by Allen et al. (Allen et al. 1992 Phys. Rev. A 45 , 8185 ( doi:10.1103/PhysRevA.45.8185 )). The papers by our invited authors serve to bring the field up to date and suggest where developments may take us next. This article is part of the themed issue ‘Optical orbital angular momentum’.

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16

Sahoo, Pathik, Pushpendra Singh, Jhimli Manna, et al. "A Third Angular Momentum of Photons." Symmetry 15, no. 1 (2023): 158. http://dx.doi.org/10.3390/sym15010158.

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Photons that acquire orbital angular momentum move in a helical path and are observed as a light ring. During helical motion, if a force is applied perpendicular to the direction of motion, an additional radial angular momentum is introduced, and alternate dark spots appear on the light ring. Here, a third, centrifugal angular momentum has been added by twisting the helical path further according to the three-step hierarchical assembly of helical organic nanowires. Attaining a third angular momentum is the theoretical limit for a photon. The additional angular momentum converts the dimensionle

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17

Liang, Yao, Han Wen Wu, Bin Jie Huang, and Xu Guang Huang. "Light beams with selective angular momentum generated by hybrid plasmonic waveguides." Nanoscale 6, no. 21 (2014): 12360–65. http://dx.doi.org/10.1039/c4nr03606a.

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We report an integrated compact technique that can “spin” and “twist” light on a silicon photonics platform, with the generated light beams possessing both spin angular momentum (SAM) and orbital angular momentum (OAM).

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18

Zahidy, Mujtaba, Yaoxin Liu, Daniele Cozzolino, et al. "Photonic integrated chip enabling orbital angular momentum multiplexing for quantum communication." Nanophotonics 11, no. 4 (2021): 821–27. http://dx.doi.org/10.1515/nanoph-2021-0500.

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Abstract Light carrying orbital angular momentum constitutes an important resource for both classical and quantum information technologies. Its inherently unbounded nature can be exploited to generate high-dimensional quantum states or for channel multiplexing in classical and quantum communication in order to significantly boost the data capacity and the secret key rate, respectively. While the big potentials of light owning orbital angular momentum have been widely ascertained, its technological deployment is still limited by the difficulties deriving from the fabrication of integrated and s

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19

Willner, Alan E., Kai Pang, Hao Song, Kaiheng Zou, and Huibin Zhou. "Orbital angular momentum of light for communications." Applied Physics Reviews 8, no. 4 (2021): 041312. http://dx.doi.org/10.1063/5.0054885.

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20

Wei Gongxiang, 魏功祥, 刘晓娟 Liu Xiaojuan, 刘云燕 Liu Yunyan, and 付圣贵 Fu Shenggui. "Spin and Orbital Angular Momentum of Light." Laser & Optoelectronics Progress 51, no. 10 (2014): 100004. http://dx.doi.org/10.3788/lop51.100004.

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21

Martínez-Herrero, R., and P. M. Mejías. "Angular momentum decomposition of nonparaxial light beams." Optics Express 18, no. 8 (2010): 7965. http://dx.doi.org/10.1364/oe.18.007965.

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22

Bekshaev, A. Ya, M. S. Soskin, and M. V. Vasnetsov. "Angular momentum of a rotating light beam." Optics Communications 249, no. 4-6 (2005): 367–78. http://dx.doi.org/10.1016/j.optcom.2005.01.046.

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23

Fuda, Michael G. "Angular momentum and light-front scattering theory." Physical Review D 44, no. 6 (1991): 1880–90. http://dx.doi.org/10.1103/physrevd.44.1880.

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24

Alexeyev, C. N., and M. A. Yavorsky. "Angular momentum of rotating paraxial light beams." Journal of Optics A: Pure and Applied Optics 7, no. 8 (2005): 416–21. http://dx.doi.org/10.1088/1464-4258/7/8/012.

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25

Barnett, Stephen M., and L. Allen. "Orbital angular momentum and nonparaxial light beams." Optics Communications 110, no. 5-6 (1994): 670–78. http://dx.doi.org/10.1016/0030-4018(94)90269-0.

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26

Babiker, M., K. Koksal, and V. E. Lembessis. "Angular momentum-carrying radially-polarised twisted light." Optics Communications 537 (June 2023): 129469. http://dx.doi.org/10.1016/j.optcom.2023.129469.

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27

Fickler, Robert. "Generalized angle-orbital-angular-momentum Talbot effect." EPJ Web of Conferences 309 (2024): 11001. http://dx.doi.org/10.1051/epjconf/202430911001.

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Light containing twisted phase structures, i.e. light carrying orbital angular momenta (OAM), when propagating inside ring-core fibres leads to a complex interference dynamics resulting in the fundamental self-imaging phenomenon known as the Talbot effect in the angular domain. We study the effect in the classical and quantum optics domain and show that it can be used to implement higher-order beams splitters. Interestingly, such beam splitting operations become more compact the higher the splitting ratio. In addition, we show that a similar self-imaging effect appears for whispering gallery m

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28

Li, Hehe, and Xinzhong Li. "Spin Hall effect of light in inhomogeneous nonlinear medium." Modern Physics Letters B 30, no. 02 (2016): 1550270. http://dx.doi.org/10.1142/s021798491550270x.

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In this paper, we investigate the spin Hall effect of a polarized Gaussian beam (GB) in a smoothly inhomogeneous isotropic and nonlinear medium using the method of the eikonal-based complex geometrical optics which describes the phase front and cross-section of a light beam using the quadratic expansion of a complex-valued eikonal. The linear complex-valued eikonal terms are introduced to describe the polarization-dependent transverse shifts of the beam in inhomogeneous nonlinear medium which is called the spin Hall effect of beam. We know that the spin Hall effect of beam is affected by the n

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29

Alagashev, Grigory, Sergey Stafeev, Victor Kotlyar, and Andrey Pryamikov. "Angular Momentum of Leaky Modes in Hollow-Core Fibers." Fibers 10, no. 10 (2022): 92. http://dx.doi.org/10.3390/fib10100092.

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It is known that angular momentum (AM) is an important characteristic of light, which can be separated into the spin (SAM) and orbital parts (OAM). The dynamical properties of the spin and orbital angular momentums are determined by the polarization and spatial degrees of freedom of light. In addition to optical vortex beams possessing spatial polarization and phase singularities, optical fibers can be used to generate and propagate optical modes with the orbital and spin parts of the angular momentum. In this paper, using the example of hollow-core fibers, we demonstrate the fact that their l

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30

Spektor, Grisha, Eva Prinz, Michael Hartelt, Anna-Katharina Mahro, Martin Aeschlimann, and Meir Orenstein. "Orbital angular momentum multiplication in plasmonic vortex cavities." Science Advances 7, no. 33 (2021): eabg5571. http://dx.doi.org/10.1126/sciadv.abg5571.

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Orbital angular momentum of light is a core feature in photonics. Its confinement to surfaces using plasmonics has unlocked many phenomena and potential applications. Here, we introduce the reflection from structural boundaries as a new degree of freedom to generate and control plasmonic orbital angular momentum. We experimentally demonstrate plasmonic vortex cavities, generating a succession of vortex pulses with increasing topological charge as a function of time. We track the spatiotemporal dynamics of these angularly decelerating plasmon pulse train within the cavities for over 300 femtose

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31

ANTUNES, ANTONIO CARLOS BAPTISTA, and LEILA JORGE ANTUNES. "DIQUARK FORMATION IN ANGULAR-MOMENTUM-EXCITED BARYONS." International Journal of Modern Physics A 24, no. 10 (2009): 1987–94. http://dx.doi.org/10.1142/s0217751x09043249.

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Diquarks, or metastable clusters of two quarks inside baryons, are shown to be produced by angular momentum excitation. In baryons with a light quark and two heavy quarks with large angular momentum (L>2), the centrifugal barrier that appears in the rotation frame of the two heavy quarks prevents the light quark from passing freely between the two heavy quarks. The light quark must tunnelize through this potential barrier, which gives rise to the clusters of a light and a heavy quark.

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32

Liu, Tianbo, and Bo-Qiang Ma. "Quark Angular Momentum and Gravitational Form Factors." International Journal of Modern Physics: Conference Series 40 (January 2016): 1660054. http://dx.doi.org/10.1142/s2010194516600545.

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We investigate the quark angular momentum in a light-cone spectator model. The canonical angular momentum sum rule is satisfied in both the scalar and the axial-vector cases. Then we perform a calculation of the gravitational form factors which are expected to be related to the angular momentum of each constituent in this no gauge field model. We find this relation is satisfied for the total angular momentum as a direct conclusion of the momentum fraction sum rule and the anomalous gravitomagnetic moment sum rule, but for each constituent it is violated.

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33

Ryzhikov, P. S., and V. A. Makarov. "The additional optical angular momentum flux in media with nonlocality of nonlinear optical response." Laser Physics Letters 19, no. 11 (2022): 115401. http://dx.doi.org/10.1088/1612-202x/ac92df.

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Abstract The additional terms caused by the nonlocality of the nonlinear optical response of the medium in the expressions for the optical angular momentum density, the optical angular momentum flux density and the torque density on light, which are related to each other by the angular momentum transformation law, are obtained as a consequence of peculiarities of the momentum conservation law in such media. It is shown that the manifestation of the nonlocality of the optical response only changes the form of polarization of medium included in the expression for the angular momentum density, wh

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34

Shibata, Shinpei, and Shota Kisaka. "On the angular momentum extraction from the rotation powered pulsars." Monthly Notices of the Royal Astronomical Society 507, no. 1 (2021): 1055–63. http://dx.doi.org/10.1093/mnras/stab2206.

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ABSTRACT The rotation powered pulsar loses angular momentum at a rate of the rotation power divided by the angular velocity Ω*. This means that the length of the lever arm of the angular momentum extracted by the photons, relativistic particles, and wind must be on average c/Ω*, which is known as the light cylinder radius. Therefore, any deposition of the rotation power within the light cylinder causes insufficient loss of angular momentum. In this paper, we investigate two cases of this type of energy release: polar cap acceleration and Ohmic heating in the magnetospheric current inside the s

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35

Devlin, Robert C., Antonio Ambrosio, Noah A. Rubin, J. P. Balthasar Mueller, and Federico Capasso. "Arbitrary spin-to–orbital angular momentum conversion of light." Science 358, no. 6365 (2017): 896–901. http://dx.doi.org/10.1126/science.aao5392.

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Optical elements that convert the spin angular momentum (SAM) of light into vortex beams have found applications in classical and quantum optics. These elements—SAM-to–orbital angular momentum (OAM) converters—are based on the geometric phase and only permit the conversion of left- and right-circular polarizations (spin states) into states with opposite OAM. We present a method for converting arbitrary SAM states into total angular momentum states characterized by a superposition of independent OAM. We designed a metasurface that converts left- and right-circular polarizations into states with

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36

Kovalev, A. A., and V. V. Kotlyar. "Energy rule for enhancing the spin Hall effect in superposition of axisymmetric beams with cylindrical and linear polarization." Computer Optics 48, no. 5 (2024): 649–54. http://dx.doi.org/10.18287/2412-6179-co-1480.

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We study the spin angular momentum of a superposition of two vector light beams radial symmetry, one has cylindrical polarization and another – linear. Both beams can have an arbitrary radial shape. An analytical expression is obtained for the spin angular momentum and two its properties are proven. The first one is that changing weight coefficients of the superposition does not changes the shape of the spin angular momentum density distribution, whereas the intensity shape can change. The second property is that the maximal spin angular momentum density is achieved when both constituent beams

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37

Akitsu, Takashiro, Sanyobi Kim, and Daisuke Nakane. "Towards New Chiroptical Transitions Based on Thought Experiments and Hypothesis." Symmetry 13, no. 6 (2021): 1103. http://dx.doi.org/10.3390/sym13061103.

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We studied supramolecular chirality induced by circularly polarized light. Photoresponsive azopolymers form a helical intermolecular network. Furthermore, studies on photochemical materials using optical vortex light will also attract attention in the future. In contrast to circularly polarized light carrying spin angular momentum, an optical vortex with a spiral wave front and carrying orbital angular momentum may impart torque upon irradiated materials. In this review, we summarize a few examples, and then theoretically and computationally deduce the differences in spin angular momentum and

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38

Fedosin, Sergey G. "On the Dependence of the Relativistic Angular Momentum of a Uniform Ball on the Radius and Angular Velocity of Rotation." International Frontier Science Letters 15 (February 2020): 9–14. http://dx.doi.org/10.18052/www.scipress.com/ifsl.15.9.

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In the framework of the special theory of relativity, elementary formulas are used to derive the formula for determining the relativistic angular momentum of a rotating ideal uniform ball. The moment of inertia of such a ball turns out to be a nonlinear function of the angular velocity of rotation. Application of this formula to the neutron star PSR J1614-2230 shows that due to relativistic corrections the angular momentum of the star increases tenfold as compared to the nonrelativistic formula. For the proton and neutron star PSR J1748-2446ad the velocities of their surface’s motion are calcu

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39

Wang, Weiyong, Fanfan Niu, and Na Qiao. "Orbital angular momentum induced asymmetric diffraction grating in quantum dot molecule." Laser Physics Letters 20, no. 5 (2023): 055202. http://dx.doi.org/10.1088/1612-202x/acca12.

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Abstract In this paper, we study the Fraunhofer diffraction pattern in a four-level quantum dot nanostructure. The quantum dot interacts with two weak probe and signal laser fields and two strong coupling lights where one of them is a two-dimensional standing wave field. We study the Fraunhofer diffraction pattern of the transmitted probe light when the coherent driving light becomes plan wave or Laguerre Gaussian (LG) vortex light. We found that by controlling the relative phase of the applied lights and orbital angular momentum (OAM) of LG light, the Fraunhofer diffraction pattern can be con

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40

SINGLETON, D. "GLUEBALL SPIN." Modern Physics Letters A 16, no. 01 (2001): 41–51. http://dx.doi.org/10.1142/s0217732301002845.

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The spin of a glueball is usually taken as coming from the spin (and possibly the orbital angular momentum) of its constituent gluons. In light of the difficulties in accounting for the spin of the proton from its constituent quarks, the spin of glueballs is re-examined. The starting point is the fundamental QCD field angular momentum operator written in terms of the chromoelectric and chromomagnetic fields. First, we look at the possible restrictions placed on the structure of glueballs from the requirement that the QCD field angular momentum operator should satisfy the standard commutation r

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41

He, Li, Huan Li, and Mo Li. "Optomechanical measurement of photon spin angular momentum and optical torque in integrated photonic devices." Science Advances 2, no. 9 (2016): e1600485. http://dx.doi.org/10.1126/sciadv.1600485.

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Photons carry linear momentum and spin angular momentum when circularly or elliptically polarized. During light-matter interaction, transfer of linear momentum leads to optical forces, whereas transfer of angular momentum induces optical torque. Optical forces including radiation pressure and gradient forces have long been used in optical tweezers and laser cooling. In nanophotonic devices, optical forces can be significantly enhanced, leading to unprecedented optomechanical effects in both classical and quantum regimes. In contrast, to date, the angular momentum of light and the optical torqu

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42

Shi Shuai, 施帅, 丁冬生 Ding Dongsheng, 周志远 Zhou Zhiyuan, 李岩 Li Yan, 张伟 Zhang Wei, and 史保森 Shi Baosen. "Sorting of Orbital Angular Momentum States of Light." Acta Optica Sinica 35, no. 6 (2015): 0607001. http://dx.doi.org/10.3788/aos201535.0607001.

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43

Masalov, A. V. "Spiral Light Beams and Angular Momentum of Radiation." EPJ Web of Conferences 103 (2015): 01010. http://dx.doi.org/10.1051/epjconf/201510301010.

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44

Padgett, Miles, Stephen M. Barnett, and Rodney Loudon. "The angular momentum of light inside a dielectric." Journal of Modern Optics 50, no. 10 (2003): 1555–62. http://dx.doi.org/10.1080/09500340308235229.

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45

Forbes, Kayn A., and David L. Andrews. "Optical orbital angular momentum: twisted light and chirality." Optics Letters 43, no. 3 (2018): 435. http://dx.doi.org/10.1364/ol.43.000435.

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46

Heeres, Reinier W., and Valery Zwiller. "Subwavelength Focusing of Light with Orbital Angular Momentum." Nano Letters 14, no. 8 (2014): 4598–601. http://dx.doi.org/10.1021/nl501647t.

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47

Kaviani, Hamidreza, Roohollah Ghobadi, Bishnupada Behera, et al. "Optomechanical detection of light with orbital angular momentum." Optics Express 28, no. 10 (2020): 15482. http://dx.doi.org/10.1364/oe.389170.

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48

Yang, Zhenshan, Xia Zhang, Chenglin Bai, and Minghong Wang. "Nondiffracting light beams carrying fractional orbital angular momentum." Journal of the Optical Society of America A 35, no. 3 (2018): 452. http://dx.doi.org/10.1364/josaa.35.000452.

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49

Gori, F., M. Santarsiero, R. Borghi, and G. Guattari. "Orbital angular momentum of light: a simple view." European Journal of Physics 19, no. 5 (1998): 439–44. http://dx.doi.org/10.1088/0143-0807/19/5/005.

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50

Ryzhikov, P. S., and V. A. Makarov. "Orbital and Spin Parts of Angular Momentum Flux Density of Monochromatic Radiation in Nonabsorbing Media with Nonlocal Nonlinear Optical Respons." Vestnik Moskovskogo Universiteta, Seriya 3: Fizika, Astronomiya, no. 4_2024 (October 14, 2024): 2440403–1. http://dx.doi.org/10.55959/msu0579-9392.79.2440403.

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Abstract:

Using electromagnetic field angular momentum conservation law in a form of balance equation, which relates the angular momentum density, the angular momentum flux density and caused by the anisotropy of the medium torque density in nonabsorbing media, we obtained the formulas for the densities of the orbital and spin parts of the angular momentum and the flux densities of this quantities in case of interaction of monochromatic waves in nonabsorbing medium with spatial dispersion demonstrating n-th order nonlinear optical response to the external light field. In media without spatial and freque

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