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Paper Details

An Evaluation of Super Fluid Density, Quasi-Particle Contribution and Fluctuation Contribution as a Function of (T/Tc) for Bcs-Bec Crossover Regime

Santosh Kumar1, Amit Kumar1, Navin Kumar2 and Lalit Kumar Mishra2

Journal Title:Journal of Chemical, Biological and physical sciences
Abstract


We have studied the BCS- BEC cross over regime by evaluating the energy gap parameter and the chemical potential for the cross- over as a function of dimensional parameter. Our theoretical results indicate that cross-over occurs in the very small regions of the parameter. We have evaluated the ratio of super fluid density to the total density(?s/?) as a function of (T/Tc) for three limits BCS, Pseudo gap and BEC. These results are quite useful in the study of dynamical properties of BCS-BEC crossover region at finite temperature.

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