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|a Flint, Rebecca
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|a Massachusetts Institute of Technology. Department of Physics
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|a Flint, Rebecca
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|a Todadri, Senthil
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|a Todadri, Senthil
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|a Chiral RKKY interaction in Pr[subscript 2]Ir[subscript 2]O[subscript 7]
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|b American Physical Society,
|c 2014-08-18T15:43:56Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/88757
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|a Motivated by the potential chiral spin liquid in the metallic spin ice Pr[subscript 2]Ir[subscript 2]O[subscript 7], we consider how such a chiral state might be selected from the spin-ice manifold. We propose that chiral fluctuations of the conducting Ir moments promote ferrochiral couplings between the local Pr moments, as a chiral analog of the magnetic RKKY effect. Pr[subscript 2]Ir[subscript 2]O[subscript 7] provides an ideal setting to explore such a chiral RKKY effect, given the inherent chirality of the spin-ice manifold. We use a slave-rotor calculation on the pyrochlore lattice to estimate the sign and magnitude of the chiral coupling, and find it can easily explain the 1.5 K transition to a ferrochiral state.
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|a Simons Foundation
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|a National Science Foundation (U.S.) (Grant DMR-1005434)
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|a Simons Foundation (Award 229736)
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|a en_US
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|a Article
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|t Physical Review B
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