Probability of radiation of twisted photons by cold relativistic particle bunches
| Parent link: | Annals of Physics Vol. 415.— 2020.— [168116, 29 p.] |
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| Yhteenveto: | Title screen The probability to detect a twisted photon produced by a cold relativistic particle bunch of charged particles is derived. The radiation of twisted photons by such particle bunches in stationary electromagnetic fields and in propagating electromagnetic waves is investigated. Several general properties of both incoherent and coherent contributions to the radiation probability of twisted photons are established. It is shown that the incoherent radiation by bunches of particles traversing normally an isotropic dispersive medium (the edge, transition, and Vavilov–Cherenkov radiations) and by bunches moving in a helical undulator does not depend on the azimuthal distribution of particles in the bunch and is the same as for round bunches. As for planar undulators, the incoherent radiation by particle bunches is the same as for the bunches symmetric under reflection with respect to the axis of a twisted photon detector. At high energies of detected twisted photons, this property is universal and holds for the forward incoherent radiation by any cold relativistic particle bunch. The coherent radiation of twisted photons by such particle bunches obeys the property that we call the addition rule. This rule provides a simple means to describe the properties of coherent radiation of twisted photons. Furthermore, the strong addition rule is established for the coherent radiation by sufficiently long helical bunches. The use of this rule allows one to elaborate superradiant pure sources of twisted photons. The coherent radiation by helical bunches is considered for the edge, transition, and Vavilov–Cherenkov processes and for particles moving in undulators and plane laser waves with circular polarization. In these cases, the sum rules are deduced for the total probability to detect a twisted photon and for the projection of the total angular momentum per photon. The explicit expressions for both incoherent and coherent interference factors are derived for several simple bunch profiles. Режим доступа: по договору с организацией-держателем ресурса |
| Kieli: | englanti |
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2020
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| Aiheet: | |
| Linkit: | https://doi.org/10.1016/j.aop.2020.168116 |
| Aineistotyyppi: | Elektroninen Kirjan osa |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662239 |
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| 200 | 1 | |a Probability of radiation of twisted photons by cold relativistic particle bunches |f O. V. Bogdanov, P. O. Kazinsky, G. Y. Lazarenko | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 81 tit.] | ||
| 330 | |a The probability to detect a twisted photon produced by a cold relativistic particle bunch of charged particles is derived. The radiation of twisted photons by such particle bunches in stationary electromagnetic fields and in propagating electromagnetic waves is investigated. Several general properties of both incoherent and coherent contributions to the radiation probability of twisted photons are established. It is shown that the incoherent radiation by bunches of particles traversing normally an isotropic dispersive medium (the edge, transition, and Vavilov–Cherenkov radiations) and by bunches moving in a helical undulator does not depend on the azimuthal distribution of particles in the bunch and is the same as for round bunches. As for planar undulators, the incoherent radiation by particle bunches is the same as for the bunches symmetric under reflection with respect to the axis of a twisted photon detector. At high energies of detected twisted photons, this property is universal and holds for the forward incoherent radiation by any cold relativistic particle bunch. The coherent radiation of twisted photons by such particle bunches obeys the property that we call the addition rule. This rule provides a simple means to describe the properties of coherent radiation of twisted photons. Furthermore, the strong addition rule is established for the coherent radiation by sufficiently long helical bunches. The use of this rule allows one to elaborate superradiant pure sources of twisted photons. The coherent radiation by helical bunches is considered for the edge, transition, and Vavilov–Cherenkov processes and for particles moving in undulators and plane laser waves with circular polarization. In these cases, the sum rules are deduced for the total probability to detect a twisted photon and for the projection of the total angular momentum per photon. The explicit expressions for both incoherent and coherent interference factors are derived for several simple bunch profiles. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Annals of Physics | ||
| 463 | |t Vol. 415 |v [168116, 29 p.] |d 2020 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a twisted photon | |
| 610 | 1 | |a angular momentum | |
| 610 | 1 | |a transition radiation | |
| 610 | 1 | |a Vavilov–Cherenkov radiation | |
| 610 | 1 | |a coherent radiation | |
| 610 | 1 | |a particle bunch | |
| 610 | 1 | |a фотон | |
| 610 | 1 | |a переходное излучение | |
| 610 | 1 | |a излучение Вавилова-Черенкова | |
| 610 | 1 | |a когерентное излучение | |
| 700 | 1 | |a Bogdanov |b O. V. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1981- |g Oleg Viktorovich |3 (RuTPU)RU\TPU\pers\31518 |9 15679 | |
| 701 | 1 | |a Kazinsky |b P. O. |g Petr Olegovich | |
| 701 | 1 | |a Lazarenko |b G. Yu. |c Physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical sciences |f 1995- |g George Yurievich |3 (RuTPU)RU\TPU\pers\46279 |9 22081 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Школа базовой инженерной подготовки |b Отделение математики и информатики |3 (RuTPU)RU\TPU\col\23555 |
| 801 | 2 | |a RU |b 63413507 |c 20200617 |g RCR | |
| 856 | 4 | |u https://doi.org/10.1016/j.aop.2020.168116 | |
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