论文标题
扭曲的钨化能剂的密度波和超导性的竞争
Competition of Density Waves and Superconductivity in Twisted Tungsten Diselenide
论文作者
论文摘要
在强旋转的轨道耦合货物耦合的van-waals材料扭曲的二烷基（TWSE $ _2 $）中，报道了高密度状态区域周围的绝缘和超导阶段的证据。我们通过使用功能性重归其化组方法来研究它们的来源和相互作用，该方法允许以公正的方式描述超导和自旋/电荷不稳定性。我们将相图映射为填充和垂直电场的函数，并发现针对Twse $ _2 $的MoiréHubbard模型具有混合 - Pary超导订单参数，其$ S/F $ - Wave和拓扑$ D/P $ -D/p $ -Wave-Wave Symemertry接下来是（不加强度的）密度波波态。我们的工作系统地表征了竞争互动驱动的阶段，其二$ _2 $以外的均值场近似值，并通过概述相互作用的相关状态的指纹为实验测量提供指导。
Evidence for correlated insulating and superconducting phases around regions of high density of states was reported in the strongly spin-orbit coupled van-der Waals material twisted tungsten diselenide (tWSe$_2$). We investigate their origin and interplay by using a functional renormalization group approach that allows to describe superconducting and spin/charge instabilities in an unbiased way. We map out the phase diagram as function of filling and perpendicular electric field, and find that the moiré Hubbard model for tWSe$_2$ features mixed-parity superconducting order parameters with $s/f$-wave and topological $d/p$-wave symmetry next to (incommensurate) density wave states. Our work systematically characterizes competing interaction-driven phases in tWSe$_2$ beyond mean-field approximations and provides guidance for experimental measurements by outlining the fingerprint of correlated states in interacting susceptibilities.
