On the spectral relations for multitime correlation functions
A general approach to the derivation of the spectral relations for the multitime correlation functions is presented. A special attention is paid to the consideration of the non-ergodic (conserving) contributions and it is shown that such contributions can be treated in a rigorous way using multiti...
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| Дата: | 2006 |
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| Автор: | |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики конденсованих систем НАН України
2006
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/121370 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | On the spectral relations for multitime correlation functions / A.M. Shvaika // Condensed Matter Physics. — 2006. — Т. 9, № 3(47). — С. 447–458. — Бібліогр.: 39 назв. — англ. |
Репозитарії
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irk-123456789-1213702017-06-15T03:02:52Z On the spectral relations for multitime correlation functions Shvaika, A.M. A general approach to the derivation of the spectral relations for the multitime correlation functions is presented. A special attention is paid to the consideration of the non-ergodic (conserving) contributions and it is shown that such contributions can be treated in a rigorous way using multitime temperature Green functions. Representation of the multitime Green functions in terms of the spectral densities and solution of the reverse problem, i.e., finding the spectral densities from the known Green functions, are given for the case of the three-time correlation functions. Запропоновано загальний пiдхiд до отримання спектральних спiввiдношень для багаточасових кореляцiйних функцiй. Особлива увага звертається на розгляд неергодичних (збережних) внескiв i показано, що такi внески можна послiдовно отримати використовуючи багаточасовi температурнi функцiї Ґрiна. Для випадку тричасових кореляцiйних функцiй знайдено представлення багаточасових функцiй Ґрiна через спектральнi густини i розв’язано обернену задачу – вираження спектральних густин через вiдомi функцiї Ґрiна. 2006 Article On the spectral relations for multitime correlation functions / A.M. Shvaika // Condensed Matter Physics. — 2006. — Т. 9, № 3(47). — С. 447–458. — Бібліогр.: 39 назв. — англ. 1607-324X PACS: 05.30.-d DOI:10.5488/CMP.9.3.447 http://dspace.nbuv.gov.ua/handle/123456789/121370 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
A general approach to the derivation of the spectral relations for the multitime correlation functions is presented.
A special attention is paid to the consideration of the non-ergodic (conserving) contributions and it is
shown that such contributions can be treated in a rigorous way using multitime temperature Green functions.
Representation of the multitime Green functions in terms of the spectral densities and solution of the reverse
problem, i.e., finding the spectral densities from the known Green functions, are given for the case of the
three-time correlation functions. |
| format |
Article |
| author |
Shvaika, A.M. |
| spellingShingle |
Shvaika, A.M. On the spectral relations for multitime correlation functions Condensed Matter Physics |
| author_facet |
Shvaika, A.M. |
| author_sort |
Shvaika, A.M. |
| title |
On the spectral relations for multitime correlation functions |
| title_short |
On the spectral relations for multitime correlation functions |
| title_full |
On the spectral relations for multitime correlation functions |
| title_fullStr |
On the spectral relations for multitime correlation functions |
| title_full_unstemmed |
On the spectral relations for multitime correlation functions |
| title_sort |
on the spectral relations for multitime correlation functions |
| publisher |
Інститут фізики конденсованих систем НАН України |
| publishDate |
2006 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/121370 |
| citation_txt |
On the spectral relations for multitime correlation functions / A.M. Shvaika // Condensed Matter Physics. — 2006. — Т. 9, № 3(47). — С. 447–458. — Бібліогр.: 39 назв. — англ. |
| series |
Condensed Matter Physics |
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2023-10-18T20:39:17Z |
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