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Teoreticheskaya i Matematicheskaya Fizika, 1974, Volume 18, Number 2, Pages 286–295
(Mi tmf3543)
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This article is cited in 2 scientific papers (total in 2 papers)
A method for calculating time correlation functions
R. R. Nigmatullin
Abstract:
A device that makes it possible to express a two-time Green's function in terms of higher correlation functions is used to develop a method for constructing a system of equations for the energies of correlation functions. Solutions of the system are considered in the limiting cases of long ($\vert t\vert\to\infty$) and short ($t\to\infty$) times. A calculation of the time of spin-spin relaxation in a rigid lattice by the proposed method yields a finite expression, while the ordinary procedure of decoupling leads to a trivial result.
Received: 06.12.1972
Citation:
R. R. Nigmatullin, “A method for calculating time correlation functions”, TMF, 18:2 (1974), 286–295; Theoret. and Math. Phys., 18:2 (1974), 204–210
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https://www.mathnet.ru/eng/tmf3543 https://www.mathnet.ru/eng/tmf/v18/i2/p286
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Abstract page: | 451 | Full-text PDF : | 165 | References: | 60 | First page: | 1 |
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