Электронная библиотека (репозиторий) Томского государственного университета
Gitman, Dmitri M. | 2015

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Add   Coherent states of systems with quadratic Hamiltonians
Authors: Bagrov, Vladislav G. | Gitman, Dmitri M. | Pereira, A. S.
Source: Brazilian journal of physics. 2015. Vol. 45, № 2. P. 369-375
Type: статьи в журналах
Date: 2015
Description: Different families of generalized coherent states (CS) for one-dimensional systems with general time-dependent quadratic Hamiltonian are constructed. In principle, all known CS of systems with quadrat ... More
Add   Effective spectrum width of the synchrotron radiation
Authors: Bagrov, Vladislav G. | Levin, Alexander D. | Loginov, A. S. | Saprykin, A. D. | Gitman, Dmitri M.
Source: The European physical journal C. 2015. Vol. 75, № 11. P. 555 (1-6)
Type: статьи в журналах
Date: 2015
Description: For an exact quantitative description of spectral properties of synchrotron radiation (SR), the concept of effective width of the spectrum is introduced. In the most interesting case, which correspond ... More
Add   Finite field-energy of a point charge in QED
Authors: Costa, Caio V. | Gitman, Dmitri M. | Shabad, Anatoly E.
Source: Physica scripta. 2015. Vol. 90, № 7. P. 074012 (1-6)
Type: статьи в журналах
Date: 2015
Description: We consider a simple nonlinear (quartic in the fields) gauge-invariant modification of classical electrodynamics, to show that it possesses a regularizing ability sufficient to make the field energy o ... More
Add   Particle creation from the vacuum by an exponentially decreasing electric field
Authors: Adorno, Tiago C. | Gavrilov, Sergey P. | Gitman, Dmitri M.
Source: Physica scripta. 2015. Vol. 90, № 7. P. 074005 (1-8)
Type: статьи в журналах
Date: 2015
Description: We analyze in detail the creation of fermions and bosons from a vacuum by an electric field that exponentialy decreases in time. In our calculations, we use quantum electrodynamics (QED) and mainly co ... More
Add   Photon propagation in noncommutative QED with constant external field
Authors: Fresneda, R. | Gitman, Dmitri M. | Shabad, Anatoly E.
Source: Physical Review D. 2015. Vol. 91, № 8. P. 085005-1-085005-10
Type: статьи в журналах
Date: 2015
Description: We find dispersion laws for the photon propagating in the presence of mutually orthogonal constant external electric and magnetic fields in the context of the θ-expanded noncommutative QED. We show th ... More
Add   Statistical properties of states in QED with unstable vacuum
Authors: Gavrilov, Sergey P. | Gitman, Dmitri M. | Shishmarev, A. A.
Source: Physical Review A. 2015. Vol. 91, № 5. P. 052106-1-052106-13
Type: статьи в журналах
Date: 2015
Description: We study statistical properties of states of massive quantized charged Dirac and Klein-Gordon fields interacting with a background that violates the vacuum stability, first in general terms and then f ... More
Add   When electric charge becomes also magnetic
Authors: Adorno, Tiago C. | Gitman, Dmitri M. | Shabad, Anatoly E.
Source: Physical Review D. 2015. Vol. 92, № 4. P. 041702-1-041702-5
Type: статьи в журналах
Date: 2015
Description: In nonlinear electrodynamics, QED included, we find a static solution to the field equations with an electric charge as its source, which is comprised of homogeneous parallel magnetic and electric fie ... More
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