Электронная библиотека (репозиторий) Томского государственного университета
2019 | Vassilevich, Dmitri V.

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Source: Physics Letters B. 2019. Vol. 797. P. 134935 (1-4)
Type: статьи в журналах
Date: 2019
Description: In this letter the fractional fermion number of thick domain walls is computed. The analysis is achieved by developing the heat kernel expansion of the spectral eta function of the Dirac Hamiltonian g ... More
Source: Physical Review D. 2019. Vol. 100, № 4. P. 045026-1-045026-13
Type: статьи в журналах
Date: 2019
Description: We study the polarization tensor of a Dirac field in (3 þ 1) dimensions confined to a half-space—a problem motivated by applications to the condensed matter physics, and to topological insulators in p ... More
Source: The European physical journal C. 2019. Vol. 79, № 6. P. 525 (1-11)
Type: статьи в журналах
Date: 2019
Description: We consider different methods of calculating the (fractional) fermion number of solitons based on the heat kernel expansion. We derive a formula for the localized η function that provides a more syste ... More
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