1 - 10 of 26 articles
We theoretically investigate strong-coupling effects on specific heat at constant volume
in a superfluid Fermi gas with a tunable interaction associated with Feshbach resonance. Including fluctuations of the superfluid order parameter within the strong-coupling...
We study relaxation dynamics of dark soliton, created by a phase-imprinted method, in a two-dimensional trapped Bose–Einstein condensate at nonzero temperatures by using the projected Gross–Pitaevskii equation. At absolute zero temperature, a dark soliton is known to decay with a snake...
Three-dimensional numerical simulations in a square duct were conducted to investigate entrance lengths of normal fluid and superfluid flows in a thermal counterflow of superfluid
He. The two fluids were coarse-grained by using the Hall–Vinen–Bekharevich–Khalatnikov (HVBK) model...
Recently, the authors succeeded in generating a superfluid suction vortex, which is a giant vortex with a hollow core, driven directly by a cryogenic centrifugal pump. The ultimate goal of this study and related work is to determine the distribution of the local density of the quantum vortex...
One of the quasi-one-dimensional organic superconductors
, called Bechgaard salts, has attracted a lot of interest since its discovery in 1980. These compounds have high critical magnetic field
in the direction...
To investigate the formation of quantum turbulence in superfluid
, we have studied the vortex emission from a turbulence region generated by a vibrating wire. The time of flight of vortex rings emitted from a generator to a detector exhibits a single exponential...
Previously, we numerically showed that thermalization can occur in an oscillating Bose–Einstein condensate with a disordered harmonic trap when the healing length
of the condensate is shorter than the correlation length
of the Gaussian disorder [see,...
Thermal counterflow in superfluid
He (He II) was studied numerically using the vortex filament model in a spherically symmetric geometry (as resulting from a point heat source). It is found that for the range of temperatures and velocities studied, turbulent tangle of the...
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