Nuclear Many-Body Problem at Finite Temperature: A TFD Approach
D. S. Kosov, A. I. Vdovin, J. Wambach
Abstract
Based on the formalism of thermo-field dynamics a new approach for studying collective excitations in hot finite Fermi systems is presented. Two approximations going beyond the thermal RPA namely renormalized thermal RPA and thermal second RPA are formulated.
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