一维光晶格中费米子原子的可公度效应
Commensurability effects for fermionic atoms trapped in 1D optical lattices
摘要：
由于原子密度波（ADW）有序性和晶格势的相互作用，处于两种不同超精细态的费米子原子在光晶格中表现出强烈的可重性效应。我们表明，空间分离的区域的可压缩和不可压缩的阶段可以共存。利用谐波阱与晶格位置之间的可伸缩性，可以控制阱中心区域原子密度波的振幅。
英文摘要：
Fermionic atoms in two different hyperfine states confined in optical lattices show strong commensurability effects due to the interplay between the atomic density wave (ADW) ordering and the lattice potential. We show that spatially separated regions of commensurable and incommensurable phases can coexist. The commensurability between the harmonic trap and the lattice sites can be used to control the amplitude of the atomic density waves in the central region of the trap.
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