Spectral properties of four-time fermionic Green's functions

dc.contributor.author	Shvaika, A.M.
dc.date.accessioned	2019-06-18T10:10:23Z
dc.date.available	2019-06-18T10:10:23Z
dc.date.issued	2016
dc.identifier.citation	Spectral properties of four-time fermionic Green’s functions / A.M. Shvaika // Condensed Matter Physics. — 2016. — Т. 19, № 3. — С. 33004: 1–14. — Бібліогр.: 51 назв. — англ.	uk_UA
dc.identifier.issn	1607-324X
dc.identifier.other	PACS: 05.30.-d
dc.identifier.other	DOI:10.5488/CMP.19.33004
dc.identifier.other	arXiv:1512.04687
dc.identifier.uri	http://dspace.nbuv.gov.ua/handle/123456789/156225
dc.description.abstract	The spectral relations for the four-time fermionic Green’s functions are derived in the most general case. The terms which correspond to the zero-frequency anomalies, known before only for the bosonic Green’s functions, are separated and their connection with the second cumulants of the Boltzmann distribution function is elucidated. The high-frequency expansions of the four-time fermionic Green’s functions are provided for different directions in the frequency space	uk_UA
dc.description.abstract	Отримано в найбiльш загальнiй формi спектральнi спiввiдношення для чотиричасових фермiонних функцiй Ґрiна. Видiлено аномальнi внески на нульовiй частотi, якi ранiше були вiдомi тiльки для бозонних функцiй Ґрiна, та висвiтлено їхнiй зв’язок з другими кумулянтами функцiї розподiлу Больцмана. Приведено високочастотнi розклади чотиричасових фермiонних функцiй Ґрiна для рiзних напрямкiв в просторi частот.	uk_UA
dc.description.sponsorship	I am grateful to M. Jarrell, J. Moreno, and D. Galanakis for renewing my interest in this problem, to J.K. Freericks for stimulating communications, and to I.V. Stasyuk for useful discussions. I acknowledge the partial support by the Department of Energy, Office of Basic Energy Sciences, under Grant No. DEFG02-08ER46542 for the visits to Georgetown University where this work was initiated.	uk_UA
dc.language.iso	en	uk_UA
dc.publisher	Інститут фізики конденсованих систем НАН України	uk_UA
dc.relation.ispartof	Condensed Matter Physics
dc.title	Spectral properties of four-time fermionic Green's functions	uk_UA
dc.title.alternative	Спектральнi властивостi чотиричасових фермiонних функцiй Ґрiна	uk_UA
dc.type	Article	uk_UA
dc.status	published earlier	uk_UA