Thermometry and signatures of strong correlations from Raman spectroscopy of fermionic atoms in optical lattices
Thermometry and signatures of strong correlations from Raman spectroscopy of fermionic atoms in optical lattices
复制标题
光学晶格中费米子原子拉曼光谱的测温和强相关特征
DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
P. S. Cornaglia
中科院分区：
文献类型：
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作者：
Jean;Tung;C. Kollath;A. Georges;P. S. Cornaglia
提出了一种直接测量光晶格中弱相互作用费米子原子气体温度的方法。这种技术依赖于拉曼光谱，并适用于实验相关的温度制度。此外，一个类似的光谱方案可以用来获得信息的准粒子性质和哈伯德带的金属和莫特绝缘状态的相互作用的费米子自旋混合物。这两种方法为实验学家提供了精确表征光晶格中费米量子气体的探针。
A method is proposed to directly measure the temperature of a gas of weakly interacting fermionic atoms loaded into an optical lattice. This technique relies on Raman spectroscopy and is applicable to experimentally relevant temperature regimes. Additionally, a similar spectroscopy scheme can be used to obtain information on the quasiparticle properties and Hubbard bands of the metallic and Mott-insulating states of interacting fermionic spin mixtures. These two methods provide experimentalists with probes to accurately characterize fermionic quantum gases confined to optical lattices.