Bosonic fractionalisation transitions

被引：11

作者：

Adam, Alexander ^{[1
]}

Crampton, Benedict ^{[1
]}

Sonner, Julian ^{[1
,2
]}

Withers, Benjamin ^{[3
,4
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Theoret Phys Grp, Blackett Lab, London SW7 2AZ, England

[2] Univ Cambridge, DAMTP, Cambridge CB3 0WA, England

[3] Univ Durham, Sci Labs, Ctr Particle Theory, Durham DH1 3LE, England

[4] Univ Durham, Sci Labs, Dept Math Sci, Durham DH1 3LE, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 01期

基金：

美国国家科学基金会;

关键词：

AdS-CFT Correspondence; Holography and condensed matter physics (AdS/CMT);

D O I：

10.1007/JHEP01(2013)127

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

At finite density, charge in holographic systems can be sourced either by explicit matter sources in the bulk or by bulk horizons. In this paper we find bosonic solutions of both types, breaking a global U(1) symmetry in the former case and leaving it unbroken in the latter. Using a minimal bottom-up model we exhibit phase transitions between the two cases, under the influence of a relevant operator in the dual field theory. We also embed solutions and transitions of this type in M-theory, where, holding the theory at constant chemical potential, the cohesive phase is connected to a neutral phase of Schrodinger type, via a z = 2 QCP.

引用

页数：24

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