Publication: Vector Boson Excitations Near Deconfined Quantum Critical Points
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Date
2013
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American Physical Society (APS)
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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.
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