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...
Збережено в:
| 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 |
| Теги: |
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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
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | 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. |
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