Probing excitations in insulators via injection of spin currents

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Probing excitations in insulators via injection of spin currents

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Title: Probing excitations in insulators via injection of spin currents
Author: Chatterjee, Shubhayu; Sachdev, Subir

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Citation: Chatterjee, Shubhayu, and Subir Sachdev. 2015. “Probing Excitations in Insulators via Injection of Spin Currents.” Physical Review B 92 (16) (October). doi:10.1103/physrevb.92.165113.
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Abstract: We propose a spin transport experiment to measure the low-energy excitations in insulators with spin degrees of freedom, with a focus on detecting ground states that lack magnetic order. A general formalism to compute the spin current from a metal with a nonequilibrium distribution of spins to an insulator is developed. It is applied to insulating states with and without long range magnetic order, and salient features in the spin conductance are noted.
Published Version: doi:10.1103/PhysRevB.92.165113
Other Sources: https://arxiv.org/abs/1506.04740
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:30367416
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