scholarly journals Random-phase approximation study of collective excitations in the Bose-Fermi mixed condensate of alkali-metal gases

2002 ◽  
Vol 66 (1) ◽  
Author(s):  
T. Sogo ◽  
T. Miyakawa ◽  
T. Suzuki ◽  
H. Yabu
Keyword(s):  
Alkali Metal ◽  
Random Phase Approximation ◽  
Random Phase ◽  
Collective Excitations ◽  
Phase Approximation

scholarly journals Collective excitations in Random Phase Approximation and beyond

2011 ◽  
Vol 267 ◽  
pp. 012047
Author(s):  
F Catara ◽  
D Gambacurta ◽  
M Grasso ◽  
M Sambataro
Keyword(s):  
Random Phase Approximation ◽  
Random Phase ◽  
Collective Excitations ◽  
Phase Approximation

scholarly journals RENORMALIZED RPA AT FINITE TEMPERATURE

1996 ◽  
Vol 11 (10) ◽  
pp. 853-859 ◽  
Author(s):  
A.V. AVDEENKOV ◽  
D.S. KOSOV ◽  
A.I. VDOVIN
Keyword(s):  
Finite Temperature ◽  
Random Phase Approximation ◽  
Random Phase ◽  
Numerical Results ◽  
Collective Excitations ◽  
Phase Approximation ◽  
Hot Nuclei ◽  
Occupation Numbers

A method taking account of a deviation of state occupation numbers from the thermal RPA prescriptions is elaborated to study collective excitations in hot nuclei. This thermal renormalized random phase approximation (TRRPA) is from Ken-Ji Hara and D.J. Rowe. In developing the TRRPA, a formalism of the thermofield dynamics (TFD) is used. Some numerical results are given for the SU(2) model.

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