Vector Boson Excitations Near Deconfined Quantum Critical Points
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https://doi.org/10.1103/physrevlett.111.166401Metadata
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Huh, Yejin, Philipp Strack, and Subir Sachdev. 2013. Vector Boson Excitations Near Deconfined Quantum Critical Points. Physical Review Letters 111, no. 16: 166401.Abstract
We show that the Néel states of two-dimensional antiferromagnets have low energy vector boson excitations in the vicinity of deconfined quantum critical points. We compute the universal damping of these excitations arising from spin-wave emission. Detection of such a vector boson will demonstrate the existence of emergent topological gauge excitations in a quantum spin system.Other Sources
http://arxiv.org/pdf/1307.6860v1.pdfhttp://users.physics.harvard.edu/~pstrack/Philipps_homepage/Papers_files/16_paper.pdf
http://qpt.physics.harvard.edu/p245.pdf
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