A detailed discussion of the relationships following from time reversal invariance or covariance of many-body theories is given. The discussion includes equilibrium and nonequilibrium Keldysh Green functions. It is shown that self-consistent RPA approximations conserve the above deduced relationship
β¦ LIBER β¦
Real-time green's functions in many body problems
β Scribed by Manfred Schmutz
- Book ID
- 112516900
- Publisher
- Springer
- Year
- 1978
- Tongue
- English
- Weight
- 771 KB
- Volume
- 30
- Category
- Article
- ISSN
- 1434-6036
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