Academic literature on the topic 'Relativistic intensity'

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Journal articles on the topic "Relativistic intensity"

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Chang, Yifan, Chang Wang, Yubo Wang, Zhaonan Long, Zirui Zeng та Youwei Tian. "Collimation and monochromaticity of γ-rays generated by high-energy electron colliding with tightly focused circularly polarized laser with varied intensities". Laser Physics Letters 19, № 6 (2022): 065301. http://dx.doi.org/10.1088/1612-202x/ac6614.

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Abstract The collision of high-energy electron and laser pulses produces nonlinear inverse Thomson scattering, which can generate γ-rays. We study the effect of laser intensity on the energy angular distribution and spectrum of γ-ray radiation in tightly focused pulses. The γ-rays at non-relativistic intensity have good collimation and monochromaticity, and the radiation energy increases with the laser intensity. The ‘jumping point’ phenomenon of radiation energy variation under relativistic intensity and the ‘black hole’ of energy angular distribution were discovered. As the laser intensity i
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Liesfeld, Ben, Jens Bernhardt, Kay-Uwe Amthor, Heinrich Schwoerer, and Roland Sauerbrey. "Single-shot autocorrelation at relativistic intensity." Applied Physics Letters 86, no. 16 (2005): 161107. http://dx.doi.org/10.1063/1.1905779.

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Клименко, Владимир, and Vladimir Klimenko. "Sky-distribution of intensity of synchrotron radio emission of relativistic electrons trapped in Earth’s magnetic field." Solar-Terrestrial Physics 3, no. 4 (2017): 32–43. http://dx.doi.org/10.12737/stp-34201704.

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This paper presents the calculations of synchrotron radio emission intensity from Van Allen belts with Gaussian space distribution of electron density across L-shells of a dipole magnetic field, and with Maxwell’s relativistic electron energy distribution. The results of these calculations come to a good agreement with measurements of the synchrotron emission intensity of the artificial radiation belt’s electrons during the Starfish nuclear test. We have obtained two-dimensional distributions of radio brightness in azimuth — zenith angle coordinates for an observer on Earth’s surface. The west
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Friou, A., E. Lefebvre, and L. Gremillet. "Channeling dynamics of relativistic-intensity laser pulses." Physics of Plasmas 19, no. 2 (2012): 022704. http://dx.doi.org/10.1063/1.3680613.

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Lee, P. H. Y. "On relativistic self focusing." Laser and Particle Beams 5, no. 1 (1987): 15–25. http://dx.doi.org/10.1017/s0263034600002457.

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Ponderomotive force initiated laser self focusing can be enhanced by relativistic electron motion in a laser plasma. We derive the nonlinear refractive index due to relativistic effects and find that relativistic self focusing becomes important for a 0·25 μm laser when the laser intensity exceeds 5 × 1018 W/cm2.
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OSMAN, FREDERICK, REYNALDO CASTILLO, and HEINRICH HORA. "Relativistic and ponderomotive self-focusing at laser–plasma interaction." Journal of Plasma Physics 61, no. 2 (1999): 263–73. http://dx.doi.org/10.1017/s0022377898007417.

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The nonlinear plasma dielectric function due to relativistic electron motion is derived. From this, one can obtain the nonlinear refractive index of the plasma and estimate the importance of relativistic self-focusing in comparison with ponderomotive non-relativistic self-focusing at very high laser intensities. When the laser intensity is very high, ponderomotive self-focusing will be dominant. However, at some point, when the oscillating velocity of the plasma electrons becomes very large, relativistic effects will also play a role in self-focusing.
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Jolicoeur, Sheean, Roy Maartens, Eline M. De Weerd, Obinna Umeh, Chris Clarkson, and Stefano Camera. "Detecting the relativistic bispectrum in 21cm intensity maps." Journal of Cosmology and Astroparticle Physics 2021, no. 06 (2021): 039. http://dx.doi.org/10.1088/1475-7516/2021/06/039.

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Willingale, L., P. M. Nilson, C. Zulick, et al. "Relativistic intensity laser interactions with low-density plasmas." Journal of Physics: Conference Series 688 (March 2016): 012126. http://dx.doi.org/10.1088/1742-6596/688/1/012126.

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Marques, J. P., F. Parente та P. Indelicato. "Relativistic MCDF calculation of Kβ/Kα intensity ratios". Journal of Physics B: Atomic, Molecular and Optical Physics 34, № 17 (2001): 3487–91. http://dx.doi.org/10.1088/0953-4075/34/17/308.

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Leshchenko, V. E., V. A. Vasiliev, N. L. Kvashnin, and E. V. Pestryakov. "Coherent combining of relativistic-intensity femtosecond laser pulses." Applied Physics B 118, no. 4 (2015): 511–16. http://dx.doi.org/10.1007/s00340-015-6047-7.

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Dissertations / Theses on the topic "Relativistic intensity"

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Kiefer, Daniel. "Relativistic electron mirrors from high intensity laser nanofoil interactions." Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-153796.

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Kjellsson, Lindblom Tor. "Relativistic light-matter interaction." Doctoral thesis, Stockholms universitet, Fysikum, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-147749.

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During the past decades, the development of laser technology has produced pulses with increasingly higher peak intensities. These can now be made such that their strength rivals, and even exceeds, the atomic potential at the typical distance of an electron from the nucleus. To understand the induced dynamics, one can not rely on perturbative methods and must instead try to get as close to the full machinery of quantum mechanics as practically possible. With increasing field strength, many exotic interactions such as magnetic, relativistic and higher order electric effects may start to play a s
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Kiefer, Daniel [Verfasser], and Jörg [Akademischer Betreuer] Schreiber. "Relativistic electron mirrors from high intensity laser nanofoil interactions / Daniel Kiefer. Betreuer: Jörg Schreiber." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2012. http://d-nb.info/1032131314/34.

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Zaim, Neïl. "Modeling electron acceleration driven by relativistic intensity few-cycle laser pulses on overdense plasmas." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLX089.

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Nous étudions dans cette thèse théorique et numérique l'accélération d'électrons lors de l'interaction entre une impulsion laser d'intensité relativiste et un plasma surdense. Cette interaction est très sensible au profil de densité sur la face avant du plasma et deux régimes différents, correspondant à deux thématiques de recherche développées dans cette thèse, peuvent être considérés.Premièrement, pour des interfaces plasma-vide très abruptes, les mécanismes menant à l'émission d'électrons sont bien compris. Les électrons gagnent en particulier une grande quantité d'énergie lors de leur inte
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Coury, Mireille. "Generation and transport of high-current relativistic electron beams in high intensity laser-solid interactions." Thesis, University of Strathclyde, 2013. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=20410.

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In this thesis, the generation and transport of ultra-high intensity laser-driven relativistic electron beams in overdense plasma is investigated experimentally and numerically. The fast electron beam is experimentally diagnosed by means of a 2D Cu Ka imager and the TNSA-generated proton beam. Analytical models together with a 3D hybrid-PIC code are employed to simulate the beam properties in solids. The effects of the self-generated fields on the fast electron beam transport, the effect of the preplasma density scale length on the laser energy coupling to fast electrons and the influence of t
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Wilz, Mackenzie Charles. "Focused investigations of relativistic electron burst intensity, range, and dynamics space weather mission global positioning system." Montana State University, 2011. http://etd.lib.montana.edu/etd/2011/wilz/WilzM0511.pdf.

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The FIREBIRD mission (Focused Investigations of Relativistic Electron Burst Intensity, Range, and Dynamics) is a low earth orbit, space weather, CubeSat mission which is comprised of a two satellite constellation. This constellation is responsible for the measurement of relativistic electron microbursts with very fine spatial and temporal resolution. To achieve the spatial and temporal requirements of the mission, a global positioning system (GPS), for the purpose of navigation position and timing, is to be implemented on both satellites within the constellation. The integration and testing of
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Debayle, Arnaud. "Theoretical study of Ultra High Intensity laser-produced high-current relativistic electron beam transport through solid targets." Thesis, Bordeaux 1, 2008. http://www.theses.fr/2008BOR13708/document.

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Cette thèse porte sur l’étude théorique du transport d’un faisceau intense d’électrons relativistes dans une cible solide. Dans la première partie nous présentons les interprétations théoriques d’une partie des résultats d’une campagne d’expérience portant sur la production et le transport d’électrons relativistes dans une cible d’aluminium. Nous y démontrons la prédominance des e?ets collectifs sur les e?ets collisionels dans la première dizaine de microns de propagation grâce à des modèles de transports déjà existant au début de cette thèse. Ces modèles deviennent insu?sants dans le cas du t
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López, Noriega Mercedes. "Pion interferometry in AuAu collisions at a center of mass energy per nucleon of 200 GeV." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1092077196.

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Cunningham, Eric Flint. "Photoemission by Large Electron Wave Packets Emitted Out the Side of a Relativistic Laser Focus." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/3054.

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There are at least two common models for calculating the photoemission of accelerated electrons. The 'extended-charge-distribution' method uses the quantum probability current (multiplied by the electron charge) as a source current for Maxwell's equations. The 'point-like-emitter' method treats the electron like a point particle instead of like a diffuse body of charge. Our goal is to differentiate between these two viewpoints empirically. To do this, we consider a large electron wave packet in a high-intensity laser field, in which case the two viewpoints predict measurable photoemission rate
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Ouillé, Marie. "Génération d'impulsions laser proches du cycle optique en durée pour l'interaction laser-matière relativiste à haute cadence." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAE007.

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Cette thèse expérimentale s’est essentiellement déroulée au Laboratoire d’Optique Appliquée à Palaiseau (France), sur un système laser capable de générer des impulsions proches du cycle optique en durée avec des énergies de plusieurs mJ à une cadence de 1 kHz : la Salle Noire 2. Ce système laser Titane:Sapphire est double CPA avec un filtre non-linéaire entre les deux étages (basé sur la génération d’onde de polarisation croisée ou ‘XPW’) pour améliorer le contraste temporel, suivi d’un étage de post-compression dans une fibre flexible étirée à cœur creux. Grâce à ce système, nous étudions l’i
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Books on the topic "Relativistic intensity"

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Kostyukov, Viktor. Theory of quantum chemistry. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1090584.

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The textbook summarizes the basic theories of quantum chemistry. A comparative analysis of the computational efficiency of computational algorithms implementing these theories from the point of view of the ratio "accuracy — resource intensity" is performed. Considerable attention is paid to the problem of accounting for electronic correlation, as well as relativistic quantum chemical effects.
 Meets the requirements of the federal state educational standards of higher education of the latest generation.
 It is intended for undergraduate students of higher educational institutions; it
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Kiefer, Daniel. Relativistic Electron Mirrors: From High Intensity Laser–Nanofoil Interactions. Springer, 2014.

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Kiefer, Daniel. Relativistic Electron Mirrors: From High Intensity Laser–Nanofoil Interactions. Springer, 2016.

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Kiefer, Daniel. Relativistic Electron Mirrors: From High Intensity Laser-Nanofoil Interactions. Springer, 2014.

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Book chapters on the topic "Relativistic intensity"

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Wang, H., O. Albere, J. Nees, D. Liu, G. Mourou, and Z. Chang. "Generation of Relativistic Intensity Pulses at 300-Hz Repetition Rate." In Ultrafast Phenomena XII. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56546-5_25.

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Pirozhkov, Alexander S., Sergei V. Bulanov, Timur Zh Esirkepov, Akito Sagisaka, Toshiki Tajima, and Hiroyuki Daido. "Intensity Scalings of Attosecond Pulse Generation by the Relativistic-irradiance Laser Pulses." In Springer Series in Optical Sciences. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-49119-6_35.

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Bowes, B. T., M. C. Downer, H. Langhoff, et al. "Ultrafast radial transport in a micron-scale aluminum plasma excited at relativistic intensity." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27213-5_103.

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Metral, E., G. Rumolo, and W. Herr. "Impedance and Collective Effects." In Particle Physics Reference Library. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34245-6_4.

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AbstractAs the beam intensity increases, the beam can no longer be considered as a collection of non-interacting single particles: in addition to the “single-particle phenomena”, “collective effects” become significant. At low intensity a beam of charged particles moves around an accelerator under the Lorentz force produced by the “external” electromagnetic fields (from the guiding and focusing magnets, RF cavities, etc.). However, the charged particles also interact with themselves (leading to space charge effects) and with their environment, inducing charges and currents in the surrounding s
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Sagisaka, A., H. Daido, K. Ogura, et al. "Observation of Thin Foil Preformed Plasmas with a Relativistic-intensity Ultra-short Pulse Laser by Means of Two-color Interferometer." In Springer Series in Optical Sciences. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-49119-6_36.

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Rodionov, V. N. "Non-Hermitian $$\mathcal{PT}$$ PT -Symmetric Relativistic Quantum Theory in an Intensive Magnetic Field." In Springer Proceedings in Physics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31356-6_24.

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Dyall, Kenneth G., and Knut Faegri. "Introduction." In Introduction to Relativistic Quantum Chemistry. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195140866.003.0005.

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The quote above from Paul Adrian Maurice Dirac (1929) has been somewhat of an article of faith for modern quantum chemistry. Intensive efforts on the development of theory, algorithms, and techniques have made computational quantum chemistry a very successful representative of the “third way” in modern science—computer modeling has come into its own alongside experiment and theory. Fifty years ago this was a branch of science where predictions were at best qualitative, founded on rather approximate models. Many of these models were quite sophisticated, and much of the insight gained is still v
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Conference papers on the topic "Relativistic intensity"

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Mikhailova, Julia. "Plasma optics for ultrafast high-intensity light sources." In Coherent and Incoherent Radiation Sources based on Laser-driven Relativistic Plasma Waves, edited by Dino A. Jaroszynski and MinSup Hur. SPIE, 2025. https://doi.org/10.1117/12.3065349.

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Mori, Michiaki, Hideyuki Kotaki, Yukio Hayashi, et al. "Pointing stable low-divergence 100 keV-class electron beam generation from microcapillary target under sub-relativistic laser intensity." In Laser Applications Conference. Optica Publishing Group, 2024. https://doi.org/10.1364/lac.2024.lw5b.1.

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Pointing stable low-divergence 100 keV-class electron beam generation driven by near critical density laser wakefield acceleration was performed. A ~30 mrad low divergence electron beam from a microcapillary hole with energies up to 400 keV was achieved at a maximum laser intensity of 1018 W/cm2. Here, shot-to-shot pointing fluctuations of the electron beam were 1.8 mrad in root-mean-square (rms). The capillary microstructure provides a very stable and low divergence beam and will be a valuable tool for various applications such as radiotherapy.
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Ouillé, Marie, Frederik Boehle, Maxence Thévenet, et al. "Relativistic-Intensity Near-Single-Cycle KHz Laser Driver." In High Intensity Lasers and High Field Phenomena. OSA, 2018. http://dx.doi.org/10.1364/hilas.2018.ht2a.3.

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Chang Hee Nam, I. Jong Kim, Hyung Taek Kim, et al. "Laser particle acceleration at relativistic laser intensity." In 2014 International Conference Laser Optics. IEEE, 2014. http://dx.doi.org/10.1109/lo.2014.6886329.

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Wang, H., O. Albert, D. Liu, G. Mourou, and Z. Chang. "Generation of Relativistic Intensity Pulses at kHz." In International Conference on Ultrafast Phenomena. OSA, 2000. http://dx.doi.org/10.1364/up.2000.mf14.

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Lachapelle, Amélie, Kazuto Otani, Sylvain Fourmaux, et al. "Direct Laser Field Electron Acceleration in Relativistic Regime." In High Intensity Lasers and High Field Phenomena. OSA, 2016. http://dx.doi.org/10.1364/hilas.2016.hm6b.2.

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Ekanayake, Nagitha, Sui Luo, Patrick Grugan, et al. "Electron Shell Ionization of Atoms with Classical, Relativistic Scattering." In High Intensity Lasers and High Field Phenomena. OSA, 2014. http://dx.doi.org/10.1364/hilas.2014.hth3b.4.

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Bardsley, J. N., and B. M. Penetrante. "Creation of relativistic plasmas using ultra-high-intensity laser radiation." In Short Wavelength Coherent Radiation: Generation and Applications. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/swcr.1991.tub1.

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Theories of ponderomotive forces, relativistic focusing, and harmonic generation are reviewed, and nonlinear effects are demonstrated by using numerical simulations of plasmas produced by subpicosecond lasers.
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Liu, D., J. Nees, H. Wang, G. Mourou, Z. Chang, and O. Albert. "Approaching relativistic intensity with sub-ten-femtosecond pulses." In Conference on Lasers and Electro-Optics (CLEO 2000). Technical Digest. Postconference Edition. TOPS Vol.39. IEEE, 2000. http://dx.doi.org/10.1109/cleo.2000.907493.

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Tsaur, Gin-yih. "Relativistic birefringence induced by high-intensity laser field in plasma." In High Intensity Lasers and High Field Phenomena. OSA, 2011. http://dx.doi.org/10.1364/hilas.2011.hwc17.

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Reports on the topic "Relativistic intensity"

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I.Y. Dodin, N.J. Fisch, and G.M. Fraiman. Lagrangian Formulation of Relativistic Particle Average Motion in a Laser Field of Arbitrary Intensity. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/811961.

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