Suppression of Superfluidity upon Overflow of Trapped Fermions. Quantal and Thomas-Fermi Studies

Abstract

Two issues are treated in this work: (i) the generic fact that if a fermionic superfluid in the BCS regime overflows from a narrow container into a much wider one, pairing is much suppressed at the overflow point. Physical examples where this feature may play an important role are discussed (ii) A Thomas-Fermi (TF) approach to inhomogeneous superfluid Fermi-systems is presented and shown that it works well in cases where the Local Density Approximation (LDA) breaks down.

4 pages, 5 figures

References in corpus (4)

• Khon-Sham Density Functional Inspired Approach to Nuclear Binding
• Microscopic calculation and LDA of the spatial dependence of the pairing field with bare and induced interactions
• Unified description of neutron superfluidity in the neutron-star crust with analogy to anisotropic multi-band BCS superconductors
• A realistic model of superfluidity in the neutron star inner crust

Cited by in corpus (9)

• Superfluidity in nuclear systems and neutron stars
• Pairing in exotic neutron rich nuclei around the drip line and in the crust of neutron stars
• Pairing correlations and odd-even staggering in reaction cross sections of weakly bound nuclei
• Pairing properties and specific heat of the inner crust of a neutron star
• Mitigating Heating of Degenerate Fermions in a Ring-Dimple Atomic Trap
• Two-neutron transfer probabilities and spatial-localization effects at the drip line
• Pairing correlations of cold fermionic gases at overflow from a narrow to a wide harmonic trap
• Exploring ${}^3{P}_0$ Superfluid in Dilute Spin-Polarized Neutron Matter
• Pairing correlations in exotic nuclei