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|Title:||Thermal-assisted anisotropy and anisotropy-driven instability in the superfluid state of two-species fermionic polar molecules|
|Keywords:||Dipolar Fermi gases|
Superfluidity density tensor
|Citation:||Liao, R., Huang, Z.-G., Yang, W.-F., Liu, W.-M. (2012-05-21). Thermal-assisted anisotropy and anisotropy-driven instability in the superfluid state of two-species fermionic polar molecules. Physics Letters, Section A: General, Atomic and Solid State Physics 376 (26-27) : 1986-1991. ScholarBank@NUS Repository.|
|Abstract:||We study the superfluid state of two-species heteronuclear Fermi gases with isotropic contact and anisotropic long-range dipolar interactions. We find that the temperature tends to increase the anisotropy of the pairing state, which is rather counterintuitive. We study the anisotropic properties of the system by examining the angular dependence of the number density distribution, the excitation spectrum and the pair correlation function. The competing effects of the contact interaction and the dipolar interaction upon the anisotropy are revealed. We derive and compute the superfluid mass density ρij for the system. © 2012 Elsevier B.V. All rights reserved.|
|Source Title:||Physics Letters, Section A: General, Atomic and Solid State Physics|
|Appears in Collections:||Staff Publications|
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