1 - 7 of 7 articles
The critical BEC temperature T
of a non interacting boson gas in a layered structure like those of cuprate superconductors is shown to have a minimum T
, at a characteristic separation between planes a
. It is shown that for a
We present a phenomenological equation of state (EOS), derive a nonlinear quantum hydrodynamical equation and investigate the density profiles of a trapped superfluid Fermi gas with arbitrary number of particles in the BCS-BEC crossover regime. The asymptotic behavior of the EOS exactly matches...
Effects of magnetic field on antiferromagnetic states of EuFe2As2 were studied in pulsed-magnetic fields up to 55 T. In crystals of EuFe2As2, isothermal magnetisation curves in the magnetically ordered state show clear features of spin reorientation for Eu moments, but not for Fe moments. The...
Techniques for studying the combined temporal and spatial response of 3He are few in number. Here we describe, qualitatively, some strategies to probe single particle and collective responses in normal and superfluid 3He in a frequency and wave-vector specific manner with the goal of stimulating...
The temperature dependencies of the resistivity for the superconducting ruthenocuprates of nominal compositions RuSr2GdCu2O8, Ru0.98Sr2GdCu2O8 and Ru0.5Sr2GdCu2.5O8−δ
were examined for the magnetic field dependent characteristics of the superconducting transitions. The effect of the...
We solve the problem of beams of phonons and rotons incident on, and interacting with, solid surfaces. Phonons and rotons are the quasiparticles of superfluid helium and have a unique dispersion curve. The dispersion curve controls the transmission, reflection and mode change of these...
We study the temperature effects of the vibrational frequency, the ground state energy and the ground state binding energy of the strong-coupling magnetopolaron in an anisotropic quantum dot. The vibrational frequency, the ground state energy and the ground state binding energy are expressed as...
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