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- URN to cite this document:
- urn:nbn:de:bvb:355-epub-17246
- DOI to cite this document:
- 10.5283/epub.1724
Abstract
By exploiting the analyticity and boundary value properties of the thermal Green functions that result from the KMS condition in both time and energy complex variables, we treat the general (non-perturbative) problem of recovering the thermal functions at real times from the corresponding functions at imaginary times, introduced as primary objects in the Matsubara formalism. The key property on ...

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