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Phase Separation in Bose-Bose Mixtures in an Optical Lattice
Takeshi Ozaki, Tetsuro Nikuni
We study the ground-state properties of mixtures of strongly interacting bosonic atoms in an optical lattice. Applying a mean-field approximation to the Hubbard model for Bose-Bose…
Equilibrium Properties of Trapped Dipolar Gases at Finite Temperatures
Yuki Endo, Takahiko Miyakawa, Tetsuro Nikuni
We study the equilibrium properties of dipolar Bose and Fermi gases at finite temperatures. We recently developed a variational ansatz for the phase-space distribution function of…
Particle-Localized Ground State of Atom-Molecule Bose-Einstein Condensates in a Double-Well Potential
Atsushi Motohashi, Tetsuro Nikuni
We study the effect of atom-molecule internal tunneling on the ground state of atom-molecule Bose-Einstein condensates in a double-well potential. In the absence of internal tunnel…
Dynamic Structure Factor of Normal Fermi Gas from Collisionless to Hydrodynamic Regime
Shohei Watabe, Tetsuro Nikuni
The dynamic structure factor of a normal Fermi gas is investigated by using the moment method for the Boltzmann equation. We determine the spectral function at finite temperatures…
Equilibrium Properties of a Trapped Dipolar Fermion at Finite Temperatures
Yuki Endo, Takahiko Miyakawa, Tetsuro Nikuni
We study the equilibrium properties of a dipolar Fermi gas at finite temperatures. We introduce a variational ansatz for the phase-space distribution function that can describe the…