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Coulomb drag between two spin incoherent Luttinger liquids
Gregory A. Fiete, Karyn Le Hur, Leon Balents
In a one dimensional electron gas at low enough density, the magnetic (spin) exchange energy between neighboring electrons is exponentially suppressed relative to the character…
Ordering in a frustrated pyrochlore antiferromagnet proximate to a spin liquid
Doron L. Bergman, Gregory A. Fiete, Leon Balents
We perform a general study of spin ordering on the pyrochlore lattice with a 3:1 proportionality of two spin polarizations. Equivalently, this describes valence bond solid conforma…
Quantum effects in a half-polarized pyrochlore antiferromagnet
Doron L. Bergman, Ryuichi Shindou, Gregory A. Fiete +1
We study quantum effects in a spin-3/2 antiferromagnet on the pyrochlore lattice in an external magnetic field, focusing on the vicinity of a plateau in the magnetization at half t…
Superfluid-Insulator Transitions on the Triangular Lattice
A. A. Burkov, Leon Balents
We report on a phenomenological study of superfluid to Mott insulator transitions of bosons on the triangular lattice, focusing primarily on the interplay between Mott localization…
Supersolid Order from Disorder: Hard-Core Bosons on the Triangular Lattice
R. G. Melko, A. Paramekanti, A. A. Burkov +3
We study the interplay of Mott localization, geometric frustration, and superfluidity for hard-core bosons with nearest-neighbor repulsion on the triangular lattice. For this model…
Transport in a spin incoherent Luttinger liquid
Gregory A. Fiete, Karyn Le Hur, Leon Balents
We theoretically investigate transport in a spin incoherent one dimensional electron system, which may be realized in quantum wires at low electron density and finite temperature.…