Holographic antiferromagnetic quantum criticality and AdS2 scaling limit

Rong Gen Cai, Run Qiu Yang, F. V. Kusmartsev

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A holographic description on the antiferromagnetic quantum phase transition (QPT) induced by the magnetic field and the criticality in the vicinity of the quantum critical point have been investigated numerically recently. In this paper, we show that the properties of QPT in this holographic model are governed by a CFT dual to the emergent AdS2 in the IR region, which confirms that the dual boundary theory is a strong coupling theory with dynamic exponent z=2 and logarithmic corrections appearing. We also compare them with the results from the Hertz model by solving the RG equation at its upper critical dimension and with some experimental data from pyrochlores Er2-2xY2xTi2O7 and BiCoPO5.

Original languageBritish English
Article number046005
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume92
Issue number4
DOIs
StatePublished - 27 Aug 2015

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