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cond-mat.str-el2002★ 18 cited
Anomalous Quantum Diffusion at the Superfluid-Insulator Transition
Claudio Chamon, Chetan Nayak
We consider the problem of the superconductor-insulator transition in the presence of disorder, assuming that the fermionic degrees of freedom can be ignored so that the problem re…
cond-mat.str-el2002★ 30 cited
DDW Order and its Role in the Phase Diagram of Extended Hubbard Models
Chetan Nayak, Eugene Pivovarov
We show in a mean-field calculation that phase diagrams remarkably similar to those recently proposed for the cuprates arise in simple microscopic models of interacting electrons n…
cond-mat.supr-con2002★ 44 cited
Sharp signature of DDW quantum critical point in the Hall coefficient of the cuprates
Sudip Chakravarty, Chetan Nayak, Sumanta Tewari +1
We study the behavior of the Hall coefficient, , in a system exhibiting density-wave (DDW) order in a regime in which the carrier concentration, , is tune…