标题： 具有有限范围费米子-杂质相互作用的费米极化子 显示英文标题

标题： Fermi polarons with the finite-range fermion-impurity interactions

摘要： 我们研究了一个无限重杂质引入到极化费米气体中的问题，该问题可以通过Fumi定理精确求解。 我们考虑了超出标准$s$波散射区域的有限范围费米子-杂质相互作用区域，并研究了这如何影响极化子的能量。 我们展示了如何考虑有效范围效应以及高角动量通道的贡献，这对于研究离子和里德伯极化子非常重要。 我们的发现对于具有大质量不平衡的原子气体混合物以及被光学镊子捕获的杂质具有相关性。 显示英文摘要

摘要： We study a problem of an infinitely heavy impurity introduced into a polarized Fermi gas, which can be solved exactly with the help of Fumi's theorem. We consider the regime of finite-range fermion-impurity interactions beyond the standard $s$-wave scattering regime and investigate how this affects the energy of the polaron. We show how one can account for the effective range effects as well as the contribution from higher angular momentum channels, which are important for the study of ionic and Rydberg polarons. Our findings have relevance for atomic gas mixtures with a large mass imbalance and for the impurities trapped inside the optical tweezers.