dressed particle
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2005 ◽  
Vol 12 (2) ◽  
pp. 022309 ◽  
Author(s):  
F. Jenko ◽  
G. Joyce ◽  
H. M. Thomas

2004 ◽  
Vol 98 (2) ◽  
pp. 87-102
Author(s):  
Gonzalo Ordonez ◽  
Sungyun Kim

1996 ◽  
Vol 05 (03) ◽  
pp. 461-487 ◽  
Author(s):  
C.C. GEARHART ◽  
W.H. DICKHOFF ◽  
A. POLLS ◽  
A. RAMOS

A representation of nucleon spectral functions in nuclear matter is developed. Various contributions are identified including a quasiparticle term, broad background contributions below and above the Fermi energy, and a high-energy tail which has no significant momentum dependence. A convenient analytical energy dependence supplemented by a numerical dependence on momentum allows computationally tractable studies of the consequences associated with the considerable dressing of the nucleons. Applications are presented for high-momentum components as a function of energy, density of states, dressed particle-hole response, and the dressed particle-particle/hole-hole propagator.


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