Abstract

Study of BCS-BEC Crossover Physics and Evaluation of Energy Gap Parameters and Chemical Potential from BCS-Theory

Author(s): L. N. Singh and L. K. Mishra

Using the theoretical formalism of C. Regal et al. PRL (2004), we have studied the BCS-BEC crossover regime. We have evaluated the value of energy gap parameter and chemical potential for the crossover as a function of dimensionless parameters |KF as| -1 from BCS-theory. Our theoretical result indicates that the crossover occurs in the very small region of the parameter-1< |KF as| -1 < 1.


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