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19 papers · 2 filters
Universal Tomonaga-Luttinger liquid phases in one-dimensional strongly attractive SU(N) fermionic cold atoms
X. W. Guan, J. -Y. Lee, M. T. Batchelor +2
A simple set of algebraic equations is derived for the exact low-temperature thermodynamics of one-dimensional multi-component strongly attractive fermionic atoms with enlarged SU(…
Free expansion of a Bose-Einstein condensate at the presence of a thermal cloud
Krzysztof Gawryluk, Mirosław Brewczyk, Mariusz Gajda +1
We investigate numerically the free-fall expansion of a Rb atoms condensate at nonzero temperatures. The classical field approximation is used to separate the condensate and…
Quantized Quasi-Two Dimensional Bose-Einstein Condensates with Spatially Modulated Nonlinearity
Deng-Shan Wang, Xing-Hua Hu, Jiangping Hu +1
We investigate the localized nonlinear matter waves of the quasi-two dimensional Bose-Einstein condensates with spatially modulated nonlinearity in harmonic potential. It is shown…
Quantum Phases of Bose-Hubbard Model in Optical Superlattices
Bo-Lun Chen, Su-Peng Kou, Yunbo Zhang +1
In this paper, we analyze the quantum phases of multiple component Bose-Hubbard model in optical superlattices, using a mean-field method, the decoupling approximation. We find tha…
Superfluid to Bose-glass transition of hard core bosons in one-dimensional incommensurate optical lattice
Xiaoming Cai, Shu Chen, Yupeng Wang
We study superfluid to Anderson insulator transition of strongly repulsive Bose gas in a one dimensional incommensurate optical lattice. In the hard core limit, the Bose-Fermi mapp…
Interaction-induced anomalous transport behavior in one dimensional optical lattice
Zi Cai, Lei Wang, X. C. Xie +1
The non-equilibrium dynamics of spin impurity atoms in a strongly interacting one-dimensional (1D) Bose gas under the gravity field is studied. We show that due to the non-equilibr…