Interband response enhances the neutron superfluid fraction in the crystalline crust, yielding effective ion masses close to the mass of quantum mechanically bound nucleons for realistic pairing gaps.
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Three-dimensional band-structure calculations in the weak-coupling limit show that quantum ion motion mitigates superfluid suppression in bcc and fcc lattices but leaves it strongly reduced in the intermediate inner crust, dramatically raising ion effective masses.
Three-dimensional band-structure calculations in the BCS approximation within HFB theory find that only 8% of free neutrons participate in superflow at baryon density 0.03 fm^{-3}, independent of the pairing gap.
citing papers explorer
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Superfluid fraction and effective ion mass in the crystalline crust of a neutron star: role of interband response
Interband response enhances the neutron superfluid fraction in the crystalline crust, yielding effective ion masses close to the mass of quantum mechanically bound nucleons for realistic pairing gaps.
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Superfluid fraction in the crystalline crust of a neutron star: role of quantum zero-point motion of ions
Three-dimensional band-structure calculations in the weak-coupling limit show that quantum ion motion mitigates superfluid suppression in bcc and fcc lattices but leaves it strongly reduced in the intermediate inner crust, dramatically raising ion effective masses.
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Superfluid fraction in the crystalline crust of a neutron star: role of BCS pairing
Three-dimensional band-structure calculations in the BCS approximation within HFB theory find that only 8% of free neutrons participate in superflow at baryon density 0.03 fm^{-3}, independent of the pairing gap.