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Source: Physica scripta. 2017. Vol. 92, № 5. P. 054005 (1-6)
Type: статьи в журналах
Date: 2017
Description:
In a simple nonlinear model stemming from quantum electrodynamics wherein the pointlike charge has finite field-self-energy, we demonstrate that the latter can be presented as a soliton with its energ
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Source: Russian physics journal. 2017. Vol. 60, № 3. P. 417-426
Type: статьи в журналах
Date: 2017
Description:
Exact, numerical, and asymptotic calculations concerning the vacuum instability by the so-called peak electric field are explored in detail. Peculiarities discussed in this article are complementary t
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Source: Russian physics journal. 2017. Vol. 59, № 11. P. 1723-1730
Type: статьи в журналах
Date: 2017
Description:
We describe external electromagnetic fields for which a consistent QED nonperturbative with respect to these fields can be formulated. We point out difficulties with such a formulation in the case of
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Source: Russian physics journal. 2017. Vol. 59, № 11. P. 1775-1787
Type: статьи в журналах
Date: 2017
Description:
Due to the nonlinearity of QED, a static charge becomes a magnetic dipole if placed in a magnetic field, and a magnetic monopole on the background is a combination of constant electric and magnetic fi
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Source: Russian physics journal. 2017. Vol. 59, № 11. P. 1870-1874
Type: статьи в журналах
Date: 2017
Description:
Low-energy single-electron dynamics in graphene monolayers and similar nanostructures is described by the Dirac model, being a 2+1 dimensional version of massless QED with the speed of light replaced
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Source: Physical Review D. 2017. Vol. 95, № 7. P. 076013-1-076013-19
Type: статьи в журналах
Date: 2017
Description:
Nonperturbative methods have been well developed for QED with the so-called t-electric potential steps. In this case a calculation technique is based on the existence of specific exact solutions (in a
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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
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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
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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
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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
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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
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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
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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
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Source: Physical Review D. 2014. Vol. 89, № 10. P. 105028-1-105028-19
Type: статьи в журналах
Date: 2014
Source: Physical Review D. 2014. Vol. 89, № 4. P. 047504-1-047504-5
Type: статьи в журналах
Date: 2014
