Relevant bibliographies by topics / Anomalous Zeeman effect

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  2. Dissertations / Theses
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Academic literature on the topic 'Anomalous Zeeman effect'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Anomalous Zeeman effect"

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Ovsiannikov, V. D., and E. V. Tchaplyguine. "The Paschen–Back effect in helium spectra revisited." Canadian Journal of Physics 80, no. 11 (November 1, 2002): 1383–89. http://dx.doi.org/10.1139/p02-102.

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The complete information for the intensities of the Zeeman components in the helium triplet lines corresponding to the radiation transitions n3 PJM [Formula: see text] n' 3S1M ' is analyzed in the field-strength region from anomalous Zeeman effects to complete Paschen–Back effects. The diagonalization of the paramagnetic interaction for n3PJM was carried out for the states with magnetic quantum number M = 0 in the Hilbert space of dimension 3, taking account of all three fine-structure sublevels, J = 0,1,2. The results of the numerical calculations for line positions and intensities are presented in a table and figures. The departure from the previously known data is discussed. PACS Nos.: 32.60+i, 32.70Fw, 32.30-r
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Weaire, D., and S. O'Connor. "Unfulfilled renown: Thomas Preston (1860–1900) and the anomalous Zeeman effect." Annals of Science 44, no. 6 (November 1987): 617–44. http://dx.doi.org/10.1080/00033798700200381.

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Santos, Willien O., and Andre M. C. Souza. "The Anomalous Zeeman Effect for the Hydrogen Atom in Noncommutative Space." International Journal of Theoretical Physics 51, no. 12 (August 10, 2012): 3882–90. http://dx.doi.org/10.1007/s10773-012-1280-x.

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Werner, J., H. Wallis, and W. Ertmer. "Atoms with anomalous Zeeman effect in a 1D-magneto-optical molasses." Optics Communications 94, no. 6 (December 1992): 525–29. http://dx.doi.org/10.1016/0030-4018(92)90599-m.

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Santos, Willien O., and Andre M. C. Souza. "Phenomenology of noncommutative phase space via the anomalous Zeeman effect in hydrogen atom." International Journal of Modern Physics A 29, no. 31 (December 20, 2014): 1450177. http://dx.doi.org/10.1142/s0217751x14501772.

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The Hamiltonian describing the anomalous Zeeman effect for the hydrogen atom on noncommutative (NC) phase space is studied using the nonrelativistic limit of the Dirac equation. To preserve gauge invariance, space noncommutativity must be dropped. By using first-order perturbation theory, the correction to the energy is calculated for the case of a weak external magnetic field. We also obtained the orbital and spin g-factors on the NC phase space. We show that the experimental value for the spin g-factor puts an upper bound on the magnitude of the momentum NC parameter of the order of [Formula: see text], 34 μ eV /c. On the other hand, the experimental value for the spin g-factor was used to establish a correction introduced by NC phase space to the presently accepted value of Planck's constant with an uncertainty of 2 part in 1035.
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Farias, Claudio F., and Edilberto O. Silva. "Solution of the κ-Deformed Dirac Equation with Vector and Scalar Interactions in the Context of Spin and Pseudospin Symmetries." Advances in High Energy Physics 2020 (February 1, 2020): 1–12. http://dx.doi.org/10.1155/2020/4513698.

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The deformed Dirac equation invariant under the κ-Poincaré-Hopf quantum algebra in the context of minimal and scalar couplings under spin and pseudospin symmetry limits is considered. The κ-deformed Pauli-Dirac Hamiltonian allows us to study effects of quantum deformation in a class of physical systems, such as a Zeeman-like effect, Aharonov-Bohm effect, and an anomalous-like contribution to the electron magnetic moment, between others. In our analysis, we consider the motion of an electron in a uniform magnetic field and interacting with (i) a planar harmonic oscillator and (ii) a linear potential. We verify that the particular choice of a linear potential induces a Coulomb-type term in the equation of motion. Expressions for the energy eigenvalues and wave functions are determined taking into account both symmetry limits. We verify that the energies and wave functions of the particle are modified by the deformation parameter as well as by the element of spin.
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Kravchenko, Eleonora A. "Magnetism of Bismuth(III) Oxide-Based Compounds." Solid State Phenomena 233-234 (July 2015): 113–16. http://dx.doi.org/10.4028/www.scientific.net/ssp.233-234.113.

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209Bi NQR experiments, including analysis of zero-field line shapes, Zeeman-perturbed patterns and zero-field spin-echo envelopes were made to examine magnetic splitting of resonances revealed in the spectra of Main group element compounds of general composition BakBilAmOn (A=Al, В, Ge, Br, Cl). The results were explained assuming the existence in the compounds of ordered internal magnetic fields from 5 to 250 G which notably exceed those of nuclear magnetic moments. A dramatic (8−10-fold) increase in the resonance intensities, instead of broadening and fading, was observed for such compounds upon applying weak (below 500 Oe) external magnetic fields. The effect was shown to relate to the spin dynamics, namely, to the influence of external magnetic field on the nuclear spin-spin relaxation of the compounds with anomalous magnetic properties. In α-Bi2O3, paramagnetism depending on the thermal prehistory of a sample was found using SQUID-technique; magnetoelectric effect linear in magnetic field was also observed for this oxide.
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Izmailov, A. Ch. "Effect of interatomic collisions on the interaction of an electromagnetic wave of arbitrary intensity with a resonance gas medium under an anomalous Zeeman effect." Radiophysics and Quantum Electronics 29, no. 7 (July 1986): 595–601. http://dx.doi.org/10.1007/bf01034148.

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Datta, Sambhu N. "Transformed Dirac equation for the hydrogen atom, comparison with previous approaches in momentum space, and the anomalous Zeeman effect in momentum representation." International Journal of Quantum Chemistry 96, no. 1 (2003): 42–55. http://dx.doi.org/10.1002/qua.10765.

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Goncharov, A. N., S. V. Gateva-Kosteva, M. N. Skvortsov, and V. P. Chebotayev. "Direct observation of the anomalous zeeman effect at the X ? B transition of molecular iodine by the method of nonlinear laser spectroscopy." Applied Physics B Photophysics and Laser Chemistry 52, no. 4 (April 1991): 311–14. http://dx.doi.org/10.1007/bf00325411.

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Dissertations / Theses on the topic "Anomalous Zeeman effect"

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Santos, Willien Oliveira dos. "Efeito Zeeman anômalo para o átomo de hidrogênio no espaço não comutativo." Universidade Federal de Sergipe, 2012. https://ri.ufs.br/handle/riufs/5337.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
We investigate the anomalous Zeeman effect for the hydrogen atom in noncommutative quantum mechanics. By using of the Bopp's shift method the nonrelativistic regime is evaluated and the noncommutative Hamiltonian is determined. By means the first order perturbation theory, the energy correction is calculated for the case of weak external magnetic field. We obtained the orbital and spin Landé factors on noncommutative space. It is shown that the experimental value for the orbital and spin Landé factors put an upper bound on the magnitude of the parameter of noncommutativity of the order of 0 . (8GeV )-2and 0 . (0; 01GeV )-2, respectively. We use the same perturbation calculation for the null external magnetic eld case, showing that some energy shift appears, modifying the ne structure spectrum. Finally, we calculate the Lamb shift and comparing the result with the experimental value from spectroscopy, we got a new bound for the noncommutative parameter, 0 . (3GeV )-2.
Investigamos o efeito Zeeman anâmalo para o átomo de hidrogênio em mecânica quântica não comutativa. Utilizando-se do método Bopp's shift, o regime não relativístico de avaliado e o Hamiltoniano não comutativo é determinado. Usando a teoria de perturbação de primeira ordem, a correção para a energia é calculada para o caso de campo magnético externo fraco. Obtemos os fatores de Landé orbital e de spin em espaço não comutativo. É mostrado que o valor experimental para os fatores de Landé orbital e de spin, impõem um limite superior na magnitude do parâmetro de não comutatividade da ordem de 0 (8GeV )-2 e (0; 01GeV )-2, respectivamente. Utilizamos o mesmo cálculo de perturbação para o caso de campo magnético externo nulo, mostrando que algum shift de energia aparece, que modica espectro de estrutura fina. Finalmente, calculamos o Lamb shift e comparando o resultado com o valor experimental da espectroscopia, obtemos um novo limite para o parâmetro não comutativo, 0 . (3GeV )-2.
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Santos, Willien Oliveira dos. "Efeitos de não comutatividade em matéria condensada." Universidade Federal de Sergipe, 2016. https://ri.ufs.br/handle/riufs/5256.

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Using the method of the star product, the non-relativistic regime of the Dirac equation is evaluated and the NC hamiltonian to the Zeeman e ect is determined. Using the rst-order perturbation theory, the correction to the energy is calculated. We obtain the orbital and spin Land e factors. It is shown that the experimental value for the spin Land e factor put the following upper limit on the magnitude of the momentum NC parameter, p . 0; 34 eV=c. Established also a possible correction of the NC phase space to the presently accepted value of Planck's constant with an uncertainty of 2 part in 1035. By mapping via Boop's shift we obtain the Landau levels and the Hall conductivity for graphene in NC phase space. Using the current experimental precision, respectively, of the Hall conductivity and of the Landau levels in graphene, we obtain the following upper limit to the magnitude of the momentum NC parameter, p . 2; 5eV=c e p . 8; 5eV=c. Finally, by Newton's law in NC space and using the Langevin equations, we describe the Browniano motion, and thus we de ne a new physical parameter that shows the possibility of detecting NC eff ects on the macroscopic scale.
Utilizando-se do m étodo do produto estrela, o regime não relativí stico da equa ção de Dirac é avaliado e o hamiltoniano NC para o efeito Zeeman é determinado. Usando a teoria de perturba ção de primeira ordem, a corre ção para a energia é calculada. Obtemos assim, os fatores de Land é orbital e de spin. É mostrado que o valor experimental para o fator de Land é de spin impõe o seguinte limite superior na magnitude do parâmetro NC de momento,p . 0; 34 eV=c. Estabelecemos tamb ém uma possí vel corre ção do espa ço de fase NC para o valor atualmente aceito da constante de Planck, com uma incerteza de 2 partes em 10 elevado a 35. Atrav és do mapeamento via Boop's shift obtemos os n íveis de Landau e a condutividade Hall para o grafeno no espa ço de fase NC. Utilizando a atual precisão experimental, respectivamente, da condutividade Hall e dos n veis de Landau no grafeno, obtemos os seguintes limites superiores para a magnitude do parâmetro NC de momento,p . 2; 5eV=c ep . 8; 5eV=c. Por fim, atrav és das leis de Newton num espa ço NC e utilizando as equa ções de Langevin, descrevemos o movimento Browniano, e assim defi nimos um novo parâmetro f ísico que mostra a possibilidade de detectar efeitos NC na escala macrosc ópica.
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De, Rubeis Emanuele. "Campi magnetici in astrofisica." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21207/.

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I campi magnetici nel nostro Universo ricoprono un fondamentale ruolo nella nascita e nello sviluppo delle strutture cosmiche così come noi le osserviamo. Si pensi ad esempio ad oggetti "comuni" in ambito astrofisico che presentano un magnetismo "proprio", stelle, pianeti, galassie, o a fenomeni come i venti stellari, i getti nei nuclei galattici attivi, le aurore osservate da Terra: essi hanno una precisa morfologia ed evoluzione che dipende fortemente dalla struttura dei campi magnetici che sono ivi presenti. Eppure, nonostante la notevole importanza e onnipresenza, non si hanno ancora certezze sulla loro origine specialmente su larga scala, per cui rimangono aperti numerosi interrogativi e teorie a riguardo. Data l'enorme varietà di ambiti toccati dai fenomeni magnetici, la seguente tesi non affronta con completezza ogni singolo argomento ad essi legato. Nella prima parte di questa trattazione viene illustrato il comportamento del plasma magnetizzato introducendo i principi della magnetoidrodinamica (Capitolo 1), per poi passare alla seconda parte in cui invece vengono esposti i principali effetti astrofisici che permettono di misurare (o stimare) l'intensità del campo magnetico e di studiarne la morfologia. Si parla pertanto del principale meccanismo di emissione dovuto al magnetismo, ovvero la radiazione di sincrotrone (Capitolo 2), della propagazione di onde elettromagnetiche in un plasma con particolare riferimento alla rotazione di Faraday (Capitolo 3), valutando la misura di dispersione e di rotazione, e infine dell'effetto Zeeman (Capitolo 4) considerando anche la presenza di un campo magnetico interno alla particella. Nel capitolo dedicato al sincrotrone vi è poi un esempio astrofisico basato su una radiosorgente, J1511+0518, che espone le possibilità di utilizzo della condizione di equipartizione per la determinazione del campo magnetico di queste particolari strutture.
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Books on the topic "Anomalous Zeeman effect"

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Morawetz, Klaus. Kinetic Theory of Systems with SU(2) Structure. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797241.003.0021.

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Systems with spin-orbit coupling and magnetic fields exhibit a SU(2) structure. Large classes of materials and couplings can be written into an effective spin-orbit coupled Hamiltonian with Pauli structure. Appropriate kinetic equations are derived keeping the quantum spinor structure. It results in coupled kinetic equations of scalar and vector distributions. The spin-orbit coupling, the magnetic field and the vector part of the selfenergy can be written in terms of an effective Zeeman field which couples both distributions. The currents and linear response are derived and the anomalous parts due to the coupling of the occurring band splitting are discussed. The response in magnetic fields reveals subtle retardation effects from which the classical and quantum Hall effect result as well as anomalous Hall effects. As application the dynamical conductivity of grapheme is successfully calculated and compared to the experiments.
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Book chapters on the topic "Anomalous Zeeman effect"

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Hentschel, Klaus. "Heinrich Hertz’s Mechanics: A Model for Werner Heisenberg’s April 1925 Paper on the Anomalous Zeeman Effect." In Heinrich Hertz: Classical Physicist, Modern Philosopher, 183–223. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-8855-3_12.

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"Anomalous Zeeman Effect." In Lecture Notes on Quantum Mechanics, 225–35. WORLD SCIENTIFIC, 1999. http://dx.doi.org/10.1142/9789812815347_0020.

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Duncan, Anthony, and Michel Janssen. "Failures." In Constructing Quantum Mechanics, 300–382. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198845478.003.0007.

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We consider three topics which proved frustratingly resistant to the methods of the old quantum theory up to the point of emergence of the quantum mechanics of Heisenberg and collaborators in late 1925. First, the old theory could not account convincingly for the superfluity of stationary states implied by the existence of the complex multiplets seen in most atomic spectra. Second, the progressively more complicated theories proposed for explaining the splittings of lines in the anomalous Zeeman effect were found to lead inevitably to glaring inconsistencies with the assumed mechanical equations of motion. Finally, there was the problem of the dual spectrum of helium, and even more basically, of the ground state energy of helium, all calculations of which in terms of specified electron orbits gave incorrect results. We relate the tangled history of the efforts to provide a theoretical resolution of these problems within the old quantum theory.
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Evans, M. W. "ON THE EXPERIMENTAL DETECTION OF THE PHOTON'S FUNDAMENTAL STATIC MAGNETIC FIELD OPERATOR: THE ANOMALOUS OPTICAL ZEEMAN AND OPTICAL PASCHEN BACK EFFECTS." In The Photon's Magnetic Field, 110–37. WORLD SCIENTIFIC, 1993. http://dx.doi.org/10.1142/9789814350990_0005.

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Conference papers on the topic "Anomalous Zeeman effect"

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Douberly, Gary. "ANOMALOUS ZEEMAN SPLITTING IN THE ROVIBRATIONAL SPECTRUM OF THE OH RADICAL SOLVATED IN SUPERFLUID HELIUM or: HOW I LEARNED TO STOP WORRYING AND LOVE THE PROVERBIAL DROPLET EFFECTS." In 74th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2019. http://dx.doi.org/10.15278/isms.2019.te06.

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Journal articles
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