超级绝缘体：QCD在condensed matter中的玩具实现
Superinsulators: a toy realization of QCD in condensed matter
摘要：
超绝缘体是一种双超导体，是电阻无穷大的无耗散磁致伸缩凝聚体。这种物质状态的长距离场论是通过一个紧凑的BF拓扑相互作用耦合的动力学物质的QED。我们将在泛函薛定谔图像中描述2D模型，并展示电荷的强纠缠如何导致一个相位，这是一个单色的，渐近自由的QCD版本，其中无限电阻是由电荷的线性限制引起的。这一阶段已被实验检测到的TiN，NbTiN和InO薄膜，包括签名的渐近自由行为和双重，电迈斯纳效应。这使得超绝缘体成为QCD的"玩具实现”，库珀对扮演夸克的角色。
英文摘要：
Superinsulators are dual superconductors, dissipationless magnetic monopole condensates with infinite resistance. The long-distance field theory of such states of matter is QED with dynamical matter coupled via a compact BF topological interaction. We will quantize the 2D model in the functional Schrödinger picture and show how strong entanglement of charges leads to a phase which is a single-color, asymptotically free version of QCD in which the infinite resistance is caused by the linear confinement of charges. This phase has been experimentally detected in TiN, NbTiN and InO thin films, including signatures of asymptotically free behaviour and of the dual, electric Meissner effect. This makes superinsulators a ``toy realization" of QCD with Cooper pairs playing the role of quarks.
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