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Enhancement of spin propagation due to interlayer exciton condensation

Publication date2013-09-05
First online date2013-09-05
Abstract

We show that an interlayer exciton condensate doped into a strongly correlated Mott insulator exhibits a remarkable enhancement of the bandwidth of the magnetic excitations (triplons). This triplon is visible in the dynamical magnetic susceptibility and can be measured using resonant inelastic X-ray scattering. The bandwidth of the triplon scales with the exciton superfluid density, but only in the limit of strong correlations. As such the triplon bandwidth acts as a probe of exciton-spin interactions in the condensate.

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Citation (ISO format)
RADEMAKER, Louk et al. Enhancement of spin propagation due to interlayer exciton condensation. In: Physical review. B, Condensed matter and materials physics, 2013, vol. 88, n° 12, p. 121101. doi: 10.1103/PhysRevB.88.121101
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ISSN of the journal1098-0121
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