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A New Approach to the Ground State of Superfluid Fermi Gas near the Feshbach Resonance of d-Wave

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Author(s): Mohammadali Ghorbani | Alireza Heidari

Journal: Advances in Molecular Imaging
ISSN 2161-6728

Volume: 03;
Issue: 02;
Start page: 151;
Date: 2012;
Original page

Keywords: d-Wave Coupling | Superfluid | Gap Equation | Ground State

ABSTRACT
In this paper, the d-wave coupling near the Feshbach resonance is investigated. Furthermore, we investigate the analytic solution to the gap equation and the ground state at T = 0 through utilizing the Nozihres and Schmitt-Rink potential creating the two-body low-energy scattering amplitude, and minimizing energy. Necessarily, to obtain the ground state, the system energy must be minimized. With regards to the achieved energies, merely, μ0 or γ are variable; therefore, γ must be minimized to find the ground state. Moreover, considering the Fermi gas’s superfluidity at the temperature of T = 0, and by employing the potential model providing the two-body scattering amplitude, we investigate the analytic solution to the BCS problem for the d-wave coupling.
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