Superfluidity of Paired Bosons from Correlated Tunneling
Superfluidity of Paired Bosons from Correlated Tunneling
复制标题
来自相关隧道的成对玻色子的超流动性
DOI:
10.1088/0253-6102/52/4/11
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发表时间:
2009-10
期刊:
影响因子:
--
通讯作者:
杨师杰
中科院分区:
文献类型:
--
作者:
杨师杰
We study superfluidity of paired Bosonic atoms in optical lattices. The atoms have strong repulsive on-site energy. Single atom tunneling is severely suppressed while the atom-pair may co-tunnel by the second order quantum transition, which induces paired superfluidity as repulsive nearest-neighbor interactions are included. The mean-field phase diagram and low energy excitations are explored for a square lattice system.
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