论文标题
量子临界金属和准颗粒的损失
Quantum critical metals and loss of quasiparticles
论文作者
论文摘要
奇怪的金属在各种密切相关的系统中在量子临界点附近发展。该领域核心的一些问题包括量子 - 关键状态如何失去准粒子，如何驱动超导性以及在不同类别相关系统中奇怪的金属物理学在多大程度上互连。在这篇评论中，我们从重型金属的有利位置调查了其中一些问题。我们将描述近代破坏的概念及其如何导致几种关键作用。这些包括在系统跨量子限制点调节系统时从大变为小的转化，当在量子临界点栖息在费米表面的各处的准粒子损失，以及在包括电荷响应（包括电荷响应）的各种物理特性中的动态planckian缩放。我们讨论了重型金属中奇怪的金属物理及其在铜矿和其他相关材料中的奇怪金属物理之间的联系。
Strange metals develop near quantum critical points in a variety of strongly correlated systems. Some of the issues that are central to the field include how the quantum-critical state loses quasiparticles, how it drives superconductivity, and to what extent the strange-metal physics in different classes of correlated systems are interconnected. In this Review, we survey some of these issues from the vantage point of heavy fermion metals. We will describe the notion of Kondo destruction and how it leads to several crucial effects. These include a transformation of the Fermi surface from large to small when the system is tuned across the quantum-critical point, a loss of quasiparticles everywhere on the Fermi surface when it is perched at the quantum-critical point, and a dynamical Planckian scaling in various physical properties including charge responses. We close with a discussion about the connections between the strange-metal physics in heavy fermion metals and its counterparts in the cuprates and other correlated materials.
