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Fractionalization in an Easy-axis Kagome Antiferromagnet
L. Balents, M. P. A. Fisher, S. M. Girvin
We study an antiferromagnetic spin-1/2 model with up to third nearest-neighbor couplings on the Kagome lattice in the easy-axis limit, and show that its low-energy dynamics are gov…
Spin Transport in a Quantum Wire
Cristina Bena, Leon Balents
We study the effect of electron-electron backscattering interactions on spin transport in a quantum wire. Even if these interactions have no significant effect on charge transport,…
Weak Ferromagnetism and Excitonic Condensates
M. Y. Veillette, L. Balents
We investigate a model of excitonic ordering (i.e electron-hole pair condensation) appropriate for the divalent hexaborides. We show that the inclusion of imperfectly nested electr…
Quasiparticles in the 111 state and its compressible ancestors
M. Y. Veillette, L. Balents, Matthew P. A. Fisher
We investigate the relationship of the spontaneously inter-layer coherent ``111''state of quantum Hall bilayers at total filling factor ν=1 to ``mutual'' composite fermions, in whi…
Momentum-resolved tunneling between Luttinger liquids
D. Carpentier, C. Peca, L. Balents
We study tunneling between two nearby cleaved edge quantum wires in a perpendicular magnetic field. Due to Coulomb forces between electrons, the wires form a strongly-interacting p…
Field theory for generalized Shastry-Sutherland models
David Carpentier, Leon Balents
We consider the bosonic dimer representation for Generalized Shastry-Sutherland models that have the same symmetries as the original Shastry-Sutherland model and preserve the exact…