Výsledky vyhledávání - "Дирака уравнение"

Динамика спинирующих частиц в вихревом гравитационном поле

Publikováno v: Известия высших учебных заведений. Физика. 2022. Т. 65, № 9. С. 92-100

Рассматриваются эффекты взаимодействия спинирующих частиц, т.е. обладающих собственным моментом импульса (спином), описываемых уравнен

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3810::6e2bfb975a5686c98f4e4954d0f0fefd
https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000901294

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Vacuum instability in time-dependent electric fields. New example of exactly solvable case

Autor: D. M. Gitman, S. P. Gavrilov, A. A. Shishmarev, A. I. Breev

Publikováno v: Physical Review
Physical Review D. 2021. Vol. 104, № 7. P. 076008-1-076008-14

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 an analytic function, which is asymmetric (in contrast to Sauter-like electric field)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4177f3757102d2cb9d81c33e6cb0199f
http://arxiv.org/abs/2106.06322

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Peculiarities of Pair Creation by a Peak Electric Field

Autor: R. Ferreira, S. P. Gavrilov, T. C. Adorno, D. M. Gitman

Publikováno v: Russian physics journal. 2017. Vol. 60, № 3. P. 417-426

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 to those published recently by us in Eur. Phys. J.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e7d8b1af2204e7c97dafd4b09ce0c03
https://doi.org/10.1007/s11182-017-1090-y

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Chiral magnetic effect in the presence of an external axial-vector field

Autor: Maxim Dvornikov

Publikováno v: Physical Review D. 2018. Vol. 98, № 3. P. 036016-1-036016-7
Physical Review

We study the excitation of the electric current of chiral fermions along the external magnetic field, known as the chiral magnetic effect, in the presence of the background axial-vector field. The calculation of the current is based on the exact solu

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http://arxiv.org/abs/1804.10241

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Squaring the Dirac equations

Autor: V. G. Bagrov

Publikováno v: Russian physics journal. 2018. Vol. 61, № 3. P. 403-411

A complete solution of the problem of squaring the Dirac equation with arbitrary external electromagnetic field is expounded.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79473dfe9fee0718c8334185ab265109
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000634120

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Dirac cone spin polarization of graphene by magnetic insulator proximity effect probed with outermost surface spin spectroscopy

Autor: Hiroshi Naramoto, Yoichi Yamada, Kazuya Ando, Takahiro Watanabe, Seiji Sakai, Songtian Li, Sergei V. Erohin, Pavel B. Sorokin, Shiro Entani, Pavel V. Avramov, Satoshi Haku, Zakhar I. Popov, Yasushi Yamauchi

Publikováno v: Advanced functional materials. 2018. Vol. 28, № 20. P. 1800462 (1-10)

The effects of the proximity contact with magnetic insulator on the spin‐dependent electronic structure of graphene are explored for the heterostructure of single‐layer graphene (SLG) and yttrium iron garnet Y3Fe5O12 (YIG) by means of outermost s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c92be854078f8ac15895a44e3fe6163
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000648506

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Role of switching-on and -off effects in the vacuum instability

Autor: T. C. Adorno, Dmitri Maximovitch Gitman, S. P. Gavrilov, R. Ferreira

Publikováno v: International journal of modern physics A. 2018. Vol. 33, № 11. P. 1850060-1-1850060-18

We find exact differential mean numbers of fermions and bosons created from the vacuum due to a composite electric field of special configuration. This configuration imitates a finite switching-on and -off regime and consists of fields that switch-on

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Creation of large scale strong magnetic fields in matter with parity violation

Autor: Maxim Dvornikov

Publikováno v: Nuclear and particle physics proceedings. 2015. Vol. 267-269. P. 94-100

We show that the Standard Model electroweak interaction of ultrarelativistic electrons with nucleons (eN interaction) in a neutron star (NS) permeated by a seed large-scale helical magnetic field provides its growth up to ≳1015 G during a time comp

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Chiral magnetic effect in the presence of electroweak interactions as a quasiclassical phenomenon

Autor: Maxim Dvornikov, Victor B. Semikoz

Publikováno v: Modern physics letters A. 2018. Vol. 33, № 7/8. P. 1850043-1-1850043-13

We elaborate the quasiclassical approach to obtain the modified chiral magnetic effect in the case when massless charged fermions interact with electromagnetic fields and the background matter by the electroweak forces. The derivation of the anomalou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ad81b2223a89a3ebdd38205c368b467
http://arxiv.org/abs/1702.06426

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