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Quantum theory of bilayer quantum Hall smectics
Emiliano Papa, John Schliemann, Allan H. MacDonald +1
Mean-field theory predicts that bilayer quantum Hall systems at odd integer total filling factors can have stripe ground states in which the top Landau level is occupied alternatel…
Shot Noise and the Transmission of Dilute Laughlin Quasiparticles
C. L. Kane, Matthew P. A. Fisher
We analyze theoretically a three-terminal geometry in a fractional quantum Hall system - studied in a recent experiment - which allows a dilute beam of Laughlin quasiparticles to b…
Andreev current in finite sized carbon nanotubes
Smitha Vishveshwara, Cristina Bena, Leon Balents +1
We investigate the effect of interactions on Andreev current at a normal-superconducting junction when the normal phase is a Luttinger liquid with repulsive interactions. In partic…
Inelastic neutron scattering signal from deconfined spinons in a fractionalized antiferromagnet
C. Lannert, Matthew P. A. Fisher
We calculate the contribution of deconfined spinons to inelastic neutron scattering (INS) in the fractionalized antiferromagnet (AF*), introduced elsewhere. We find that the presen…
Ring exchange, the Bose metal, and bosonization in two dimensions
Arun Paramekanti, Leon Balents, Matthew P. A. Fisher
Motivated by the high-T_c cuprates, we consider a model of bosonic Cooper pairs moving on a square lattice via ring exchange. We show that this model offers a natural middle ground…
Quantum entanglement in carbon nanotubes
Cristina Bena, Smitha Vishveshwara, Leon Balents +1
With the surge of research in quantum information, the issue of producing entangled states has gained prominence. Here, we show that judiciously bringing together two systems of st…