Электронная библиотека (репозиторий) Томского государственного университета
2021

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Add   Massless electronic excitations in graphene near Coulomb impurities
Authors: Breev, Alexander I. | Gitman, Dmitri M.
Source: Journal of experimental and theoretical physics. 2021. Vol. 132, № 6. P. 941-959
Type: статьи в журналах
Date: 2021
Description: We study low-energy massless electronic excitations in a graphene monolayer near a pointlike Coulomb impurity. We assume that such excitations are described by the Dirac model. We construct a family o ... More
Add   Particle creation by peak electric fields
Authors: Adorno, Tiago C. | Gavrilov, Sergey P. | Gitman, Dmitri M. | Shishmarev, A. A.
Source: Particle physics at the year of 150th anniversary of the Mendeleev’s periodic table of chemical elements : proceedings of the Nineteenth Lomonosov Conference on Elementary Particle Physics, Moscow, Russia, 22-28 August 2019. New Jersey [a. o.], 2021. P. 510-515
Type: статьи в сборниках
Date: 2021
Description: There exist few configurations of t-electric potential steps and x-electric potential steps (i.e., electric fields that are switched on and off t → ±∞ and x → ±∞, respectively) that admit exact soluti ... More
Add   Pseudoclassical description of relativistic particles interacting with electromagnetic fields and weakly interacting with matter fields
Authors: Gitman, Dmitri M. | Ivanov, D. A. | De Souza, A. F.
Source: The European physical journal plus. 2021. Vol. 136, № 10. P. 984 (1-10)
Type: статьи в журналах
Date: 2021
Description: Starting from an equation for causal propagator describing Dirac particles interacting with electromagnetic fields and weakly interacting with matter fields, we derive a path integral representation f ... More
Add   Semiclassical description of undulator radiation
Authors: Shishmarev, A. A. | Levin, Alexander D. | Bagrov, Vladislav G. | Gitman, Dmitri M.
Source: Journal of experimental and theoretical physics. 2021. Vol. 132, № 2. P. 247-256
Type: статьи в журналах
Date: 2021
Description: We present a semiclassical approximation for treating the radiation from classical currents. In particular, we present exact quantum states of the quantized electromagnetic field interacting with clas ... More
Add   Vacuum instability due to the creation of neutral fermion with anomalous magnetic moment by magnetic-field inhomogeneities
Authors: Adorno, Tiago C. | He, Zi-Wang | Gavrilov, Sergey P. | Gitman, Dmitri M.
Source: Journal of high energy physics. 2021. Vol. 12. P. 046 (1-30)
Type: статьи в журналах
Date: 2021
Description: We study neutral fermions pair creation with anomalous magnetic moment from the vacuum by time-independent magnetic-field inhomogeneity as an external background.We show that the problem is technicall ... More
Add   Vacuum instability in time-dependent electric fields: New example of an exactly solvable case
Authors: Breev, Alexander I. | Gavrilov, Sergey P. | Gitman, Dmitri M. | Shishmarev, A. A.
Source: Physical Review D. 2021. Vol. 104, № 7. P. 076008-1-076008-14
Type: статьи в журналах
Date: 2021
Description: A new exactly solvable case in strong-field quantum electrodynamics with a time-dependent external electric field is presented. The corresponding field is given by one component of the electromagnetic ... More
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