Fermion scattering on topological solitons in the nonlinear O (3) sigma-model; Physical Review D; Vol. 104, iss. 4
| Parent link: | Physical Review D: covering particles, fields, gravitation, and cosmology Vol. 104, iss. 4.— 2021.— [045011, 20 p.] |
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| Shrnutí: | Title screen The scattering of Dirac fermions in the background fields of topological solitons of the (2+1)- dimensional nonlinear O3 [sigma]-model is studied using both analytical and numerical methods. General formulas describing fermion scattering are obtained and the symmetry properties of the partial scattering amplitudes and elements of the S-matrix are determined. Within the framework of the Born approximation, the scattering amplitudes, differential cross sections, and total cross sections of fermion-soliton scattering are obtained in analytical forms, and their symmetry properties and asymptotic behavior are investigated. The dependences of the first several partial elements of the S-matrix on the momentum of the fermion are obtained using numerical methods, and some properties of these dependences are ascertained and discussed. |
| Jazyk: | angličtina |
| Vydáno: |
2021
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| Témata: | |
| On-line přístup: | http://earchive.tpu.ru/handle/11683/71111 https://doi.org/10.1103/PhysRevD.104.045011 |
| Médium: | MixedMaterials Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666422 |
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| 200 | 1 | |a Fermion scattering on topological solitons in the nonlinear O (3) sigma-model |f A. Yu. Loginov | |
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| 320 | |a [References: 39 tit.] | ||
| 330 | |a The scattering of Dirac fermions in the background fields of topological solitons of the (2+1)- dimensional nonlinear O3 [sigma]-model is studied using both analytical and numerical methods. General formulas describing fermion scattering are obtained and the symmetry properties of the partial scattering amplitudes and elements of the S-matrix are determined. Within the framework of the Born approximation, the scattering amplitudes, differential cross sections, and total cross sections of fermion-soliton scattering are obtained in analytical forms, and their symmetry properties and asymptotic behavior are investigated. The dependences of the first several partial elements of the S-matrix on the momentum of the fermion are obtained using numerical methods, and some properties of these dependences are ascertained and discussed. | ||
| 461 | |t Physical Review D |o covering particles, fields, gravitation, and cosmology | ||
| 463 | |t Vol. 104, iss. 4 |v [045011, 20 p.] |d 2021 | ||
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| 700 | 1 | |a Loginov |b A. Yu. |c Physicist |c Researcher of Tomsk Polytechnic University, Candidate of physical and mathematical sciences |f 1972- |g Aleksey Yurievich |3 (RuTPU)RU\TPU\pers\35186 |9 18452 | |
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