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Superfluidity of Grain Boundaries in Solid 4He
Quantum monte carlo simulation crystal cryogenic superfluid super fluid particles
2014/12/20
By large-scale quantum Monte Carlo simulations we show that grain boundaries in 4He crystals are generically superfluid at low temperature, with a transition temperature of the order of ～0.5 ...
Suppression of the critical temperature for superfluidity near the Mott transition
Ultracold atoms optical lattice gas. Quantum multibody system such as quantum simulator
2014/12/19
Ultracold atomic gases in optical lattices have proven to be a controllable, tunable and clean implementation of strongly interacting quantum many-body systems. An essential prospect for such quantum ...
Theory of superfluidity and drag force in the one-dimensional Bose gas
Lieb-Liniger model, Tonks-Girardeau gas, Luttinger liquid, drag force, superfluidity, dynamical structure factor
2011/9/29
The one-dimensional Bose gas is an unusual superfluid. In contrast to higher spatial dimensions, the existence of non-classical rotational inertia is not directly linked to the dissipationless motion ...
Tunable Superfluidity and Quantum Magnetism with Ultracold Polar Molecules
Tunable Superfluidity Quantum Magnetism Ultracold Polar Molecules
2011/9/13
By selecting two dressed rotational states of ultracold polar molecules in an optical lattice, we obtain a highly tunable generalization of the t-J model, which we refer to as the t-J-V -W model. In a...
Induced p-wave superfluidity in strongly interacting imbalanced Fermi gases
Induced p-wave superfluidity imbalanced Fermi gases
2010/11/24
The induced interaction among the majority spin species, due to the presence of the minority
species, is computed for the case of a population-imbalanced resonantly-interacting Fermi gas.
Anisotropic superfluidity in a dipolar Bose gas
Anisotropic superfluidity dipolar Bose gas
2010/11/22
We study the superfluid character of a dipolar Bose-Einstein condensate (DBEC) in a quasi-two
dimensional (q2D) geometry. In particular, we allow for the dipole polarization to have some non-zero pro...
Rapid Cooling of the Neutron Star in Cassiopeia A Triggered by Neutron Superfluidity in Dense Matter
Rapid Cooling of the Neutron Star Cassiopeia Neutron Superfluidity
2011/1/10
We propose that the recently observed cooling of the neutron star in Cassiopeia A is due to
enhanced neutrino emission from the onset of the breaking and formation of neutron Cooper pairs
in the 3P2...
Breakdown of counterflow superfluidity in a disordered quantum Hall bilayer
Breakdown of counterflow disordered quantum Hall bilayer
2010/11/23
We present a theory for the regime of coherent interlayer tunneling in a disordered quantum Hall bilayer at total filling factor one, allowing for the effect of static vortices. We find that the syste...
Condensate-free superfluidity induced by frustrated proximity effect
Condensate-free superfluidity frustrated proximity effect
2010/10/27
Since the discovery of superfluidity in 4He and Landau’s phenomenological theory, the relationship between Bose condensation and superfluidity has been intensely debated. 4He is known by now to be bot...
Superfluidity in neutron matter and symmetric nuclear matter and the effect of a microscopic three-body force
neutron matter symmetric nuclear matter superfluidity three-body force BCS theory BHF approach
2009/8/14
The neutron 3PF2 pairing gap in pure neutron matter, neutron 3PF2 gap and neutron-proton 3SD1 gap in symmetric nuclear matter have been studied by using the Brueckner-Hartree-Fock(BHF) approach and th...