1997/10/01 by D. S. Kosov, Kosov, D. S., A. I. Vdovin +3
Physics and Astronomy · #FOS: Physical sciences #Nuclear Theory (nucl-th) #nucl-th
paper · pdf · doi:10.48550/arxiv.nucl-th/9710002
8 pages, no figures
arxiv created 1997/10/01 · arxiv updated 2009/12/01
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.