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Sound velocity and multibranch Bogoliubov spectrum of an elongated Fermi superfluid in the BEC-BCS crossover
Tarun Kanti Ghosh, Kazushige Machida
We study properties of excited states of an elongated Fermi superfluid along the BEC-BCS crossover including the unitarity limit. Analytic expressions for the sound velocity in an…
Basal-Plane Magnetic Anisotropies of High-kappa d-Wave Superconductors in a Mixed State: A Quasiclassical Approach
H. Adachi, P. Miranović, M. Ichioka +1
We study the basal-plane anisotropies of reversible magnetization and torque in a mixed state of layered d-wave superconductors based on the quasiclassical version of the BCS-Gor'k…
Multibranch Bogoliubov-Bloch spectrum of a cigar shaped Bose condensate in an optical lattice
Tarun Kanti Ghosh, K. Machida
We study properties of excited states of an array of weakly coupled quasi-two-dimensional Bose condensates by using the hydrodynamic theory. The spectrum of the axial excited state…
Collective modes of Fermi superfluid containing vortices along the BEC-BCS crossover
Tarun Kanti Ghosh, Kazushige Machida
Using the coarse-grain averaged hydrodynamic approach, we calculate all low energy transverse excitation spectrum of a rotating Fermi superfluid containing vortex lattices for all…
Magnetization process in a chiral p-wave superconductor with multi-domains
Masanori Ichioka, Yasushi Matsunaga, Kazushige Machida
A simulation study for the magnetization process is performed for the multi-domain state in a chiral p-wave superconductor, using the time-dependent Ginzburg-Landau theory. The ext…
Topological Structure of a Vortex in Fulde-Ferrell-Larkin-Ovchinnikov State
T. Mizushima, K. Machida, M. Ichioka
We find theoretically that the vortex core in the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is quite different from the ordinary core by a simple topological reason. The inters…