Finite temperature projected calculations in the static path approximation
1992; Elsevier BV; Volume: 297; Issue: 1-2 Linguagem: Inglês
10.1016/0370-2693(92)91060-m
ISSN1873-2445
AutoresR. Rossignoli, P. Ring, Nguyen Dinh Dang,
Tópico(s)Advanced Chemical Physics Studies
ResumoParticle number projected calculations are examined within the context of the static path approximation. A different evaluation of the thermal average energy is also employed, which is seen to provide the correct behaviour at low temperature and is more appropriate for projected calculations. The evaluation of the energy level density is also discussed. Application to a pairing hamiltonian is made.
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