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Fulde-Ferrell-Like Molecular States in Spin-Orbit Coupled Ultracold Fermi Gases
  • ISSN号：0253-6102
  • 期刊名称：《理论物理通讯：英文版》
  • 时间：0
  • 分类：O414.2[理学—理论物理;理学—物理] TN304.23[电子电信—物理电子学]
  • 作者机构：[1]National Laboratory of Science and Technology on Computational Physics, Institute of Applied Physics and Computa- tional Mathematics, Beijing 100088, China, [2]Graduate School, China Academy of Engineering Physics, Beijing 100088, China, [3]HEDPS, CAPT, and CICIFSA MoE, Peking University, Beijing 100871, China
  • 相关基金：Supported by the National Basic Research Program of China （973 Program） under Grant Nos. 2013CBA01502, 2013CB834100, and the National Natural Science Foundation of China under Grant Nos. 11374040, 11475027, 11575027, 11274051, and 11075020
作者： 叶冲[1,2], 傅立斌[1,3]
关键词： 自旋-轨道耦合, 费米气体, 分子状态, 自旋轨道耦合, 相互作用, 费米能级, 散射长度, 三分量, spin-orbit coupling
中文摘要：

我们与面对联合的 Rashba 类型和 Dresselhaus 类型纺纱轨道的相等的重量联合在 40 K 的一个不交往的费密海沉浸的 6 李的单个杂质在三部件的费密气体学习分子的状态。在费密海把二拆散的区域，费密出现，我们发现有有从更低的 helicity 分支统治贡献的二个 Fulde-Ferrell-like 分子的状态。减少的散布长度或纺纱轨道联合了费密精力，我们发现有小 center-of-mass 动量的 Fulde-Ferrell-like 分子的状态总是是赞成的精力，另一个将突然消失。

英文摘要：

We study the molecular state in three-component Fermi gases with a single impurity of 6 Li immersing in a no-interacting Fermi sea of 40K in the presence of an equal weight combination of Rashba-type and Dresselhaus- type spin-orbit coupling. In the region where the Fermi sea has two disjointed Fermi surfaces, we find that there are two Fulde-Ferrell-like molecular states with dominating contributions from the lower helicity branch. Decreasing the scattering length or the spin-orbit coupled Fermi energy, we find the Fulde Ferrell-like molecular state with small center-of-mass momentum is always energy favored and the other one will suddenly disappear.

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期刊信息
  • 《理论物理通讯：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中科院理论物理所 中国物理学会
  • 主编：孙昌浦
  • 地址：北京2735邮政信箱 中国科学院理论物理研究所编辑部
  • 邮编：100190
  • 邮箱：ctp@itp.ac.cn
  • 电话：010-62551495 62541813 62550630
  • 国际标准刊号：ISSN：0253-6102
  • 国内统一刊号：ISSN：11-2592/O3
  • 邮发代号:
  • 获奖情况:
  • 首届国家期刊奖,中国科学院优秀期刊特别奖,国家期刊奖百种重点期刊,中国期刊方阵“双高”期刊
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  • 被引量:342