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The Heine-Stieltjes correspondence and the polynomial approach to the standard pairing problem
The Heine-Stieltjes correspondence the polynomial the standard pairing problem Nuclear Theory
2011/7/28
Abstract: A new approach for solving the Bethe ansatz (Gaudin-Richardson) equations of the standard pairing problem is established based on the Heine-Stieltjes correspondence. For $k$ pairs of valence...
Population imbalance and pairing in the BCS-BEC crossover of three-component ultracold fermions
Population imbalance three-component ultracold fermions
2010/11/17
We investigate the phase diagram and the BCS-BEC crossover of a homogeneous three-component
ultracold Fermi gas with a U(3) invariant attractive interaction. We show that the system at
sufficiently ...
Unified BCS-like model of pairing and alpha-correlations
Unified BCS-like model of pairing alpha-correlations
2011/1/7
We construct a BCS-like model that combines nucleonic pairing cor-relations and possible quartic correlations of alpha-type in a single vari-ational wave function and derive corresponding gap equation...
Application of the extended pairing model to heavy isotopes
Application extended pairing model heavy isotopes
2011/1/7
Relative binding energies (RBEs) within three isotopic chains (100−130Sn, 152−181Yb, and
181−202Pb) have been studied using the exactly solvable extended pairing model (EPM) [1]. Th...
2005Vol.44No.1pp.171-176DOI:
Numerical Simulation Solution of the BCS Pairing Problem
XU Feng, WANG An-Min, YANG Xiao-Dong, and YOU Hao
Department of Modern Physics, Uni...