Quasi-Long-Range-Order in Mott State of Bose–Fermi Mixtures on One-Dimensional Optical Lattice
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概要
- 論文の詳細を見る
We numerically studied internal structure of Mott insulating state of Bose–Fermi mixture systems on a one-dimensional optical lattice by using quantum Monte Carlo simulations. We looked for Mott state carefully adjusting various parameters to prevent phase separation. From the calculation of density–density correlation functions we found a quasi long-range order in the particle distribution in the Mott state. The order was strongly dependent of the ratio of the number of the bosons to that of the fermions. For example, the bosons and the fermions showed a tendency of aligning alternately when equal number of the bosons and fermions are introduced in the system. The observation of the quasi long-range order in the one-dimensional system indicates the presence of true long-range order in Bose–Fermi mixtures on a three-dimensional optical lattice.
- Physical Society of Japanの論文
- 2009-06-15
著者
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Mori Hiroyuki
Department Of Biological Information Graduate School Of Bioscience And Biotechnology Tokyo Institute
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Tsukada Sota
Department Of Physics Tokyo Metropolitan University
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Masaki Akiko
Department Of Physics Tokyo Metropolitan University
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Tsukada Sota
Department of Physics, Tokyo Metropolitan University, 1-1 Minamiohsawa, Hachiohji, Tokyo 192-0364
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Mori Hiroyuki
Department of Physics, Tokyo Metropolitan University, 1-1 Minamiohsawa, Hachiohji, Tokyo 192-0364
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Masaki Akiko
Department of Physics, Tokyo Metropolitan University, 1-1 Minamiohsawa, Hachiohji, Tokyo 192-0364
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MORI Hiroyuki
Department of Agricultural Chemistry, Kochi University
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