通过浴工程调控能带电子系统的轨道磁性
Controlling Orbital Magnetism of Band Electron Systems via Bath Engineering
AI总结：
本文提出通过浴工程调控能带电子系统的轨道磁性，发现适当设计的浴可增强轨道抗磁磁化率、将顺磁响应转为抗磁响应，并利用范霍夫奇点实现轨道磁化率的巨大增强。
摘要：
轨道磁性源于能带电子的相干回旋运动。系统-浴纠缠预期会破坏这种相干电子运动并抑制轨道磁性。本文中，我们展示了一个适当设计的浴可以导致多带电子系统的轨道抗磁磁化率增强，并且随着系统-浴耦合的增加，甚至可以将轨道顺磁响应转变为抗磁响应。我们还演示了如何利用浴态密度中的范霍夫奇点来产生轨道磁化率的巨大增强。我们的工作为通过浴工程控制能带电子系统的轨道磁响应开辟了可能性。
英文摘要：
Orbital magnetism arises due to the coherent cyclotron motion of band electrons. System-bath entanglement is expected to disrupt this coherent electronic motion and quench orbital magnetism. Here, we show that a suitably-tailored bath can lead to an enhancement of the orbital diamagnetic susceptibility of a multi-band electron system and can even convert an orbital paramagnetic response into a diamagnetic one as the system-bath coupling is increased. We also demonstrate how a van Hove singularity in the bath density of states can be exploited to generate a giant enhancement of the orbital magnetic susceptibility. Our work opens doors to the possibility of controlling the orbital magnetic response of band electron systems through bath engineering.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
