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Condensate Fraction in Neutron Matter
Luca Salasnich
We study the Bose-Einstein condensation of fermionic pairs in the uniform neutron matter by using the concept of the off-diagonal long-range order of the two-body density matrix of…
Destruction of attractive bosonic cloud due to high spatial coherence in tight trap
Anindya Biswas, Barnali Chakrabarti, Tapan Kumar Das +1
We study coherence of a trapped bosonic cloud with attractive finite-range interaction in a tight harmonic trap. One-body density and pair-distribution function in the ground state…
Supersonic and subsonic shock waves in the unitary Fermi gas
Luca Salasnich
We investigate shock waves in the unitary Fermi gas by using the zero-temperature equations of superfluid hydrodynamics. We obtain analytical solutions for the dynamics of a locali…
Condensate fraction of a resonant Fermi gas with spin-orbit coupling in three and two dimensions
L. Dell'Anna, G. Mazzarella, L. Salasnich
We study the effects of laser-induced Rashba-like spin-orbit coupling along the BCS-BEC crossover of a Feshbach resonance for a two-spin-component Fermi gas. We calculate the conde…
Three-component Fermi gas with SU(3) symmetry: BCS-BEC crossover in three and two dimensions
Luca Salasnich
We analyze the BCS-BEC crossover for a Fermi gas made of neutral atoms in three hyperfine states with a SU(3) invariant attractive interaction. By solving the extended BCS equation…
Viscosity-entropy ratio of the unitary Fermi gas from zero-temperature elementary excitations
Luca Salasnich, Flavio Toigo
We investigate the low-temperature behavior of the ratio between the shear viscosity ηand the entropy density s in the unitary Fermi gas by using a model based on the zero-temperat…