论文标题
分子状态在旋转轨道 - 摩肌耦合费米气体中
Molecular state in a spin-orbital-angular-momentum coupled Fermi gas
论文作者
论文摘要
我们研究了费米子的旋转轨道 - 角摩膜（SOAM）耦合量子气中的两体结合状态。考虑了两种不同的配置：在两个旋转物种之间存在一种有吸引力的$ s $波浪相互作用；带有soam耦合内旋转的原子与另一个原子进行状态相互作用。在这两种情况下，我们都会确定具有有限总角动量的分子状态的出现条件。这些具有量化的总角动量的分子状态对应于相应的费米超级流体中的SOAM耦合诱导的涡旋。我们建议通过拉曼光谱通过拉甘雷斯激光来检测分子。由于分子状态可以在超流体温度以上形成，因此它们为研究soam耦合下的基础配对机理的研究提供了更容易获得的途径。
We study the two-body bound states in a spin-orbital-angular-momentum (SOAM) coupled quantum gas of fermions. Two different configurations are considered: an attractive $s$-wave interaction exists between two spin species that are SOAM coupled; and an atom with SOAM coupled internal spins interacts state-selectively with another atom. For both cases, we identify the condition for the emergence of molecular states with finite total angular momenta.These molecular states with quantized total angular momenta correspond to the SOAM-coupling-induced vortices in the corresponding Fermi superfluid. We propose to detect the molecules through Raman spectroscopy with Laguerre-Gaussian lasers. As the molecular states can form above the superfluid temperature, they offer an experimentally more accessible route toward the study of the underlying pairing mechanism under SOAM coupling.
