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Understanding correlated electron systems by a classification of Mott insulators
Subir Sachdev
This article surveys the physics of systems proximate to Mott insulators, and presents a classification using conventional and topological order parameters. This classification off…
Order and quantum phase transitions in the cuprate superconductors
Subir Sachdev
It is now widely accepted that the cuprate superconductors are characterized by the same long-range order as that present in the Bardeen-Cooper-Schrieffer (BCS) theory: that associ…
Fractionalized Fermi liquids
T. Senthil, Subir Sachdev, Matthias Vojta
In spatial dimensions d >= 2, Kondo lattice models of conduction and local moment electrons can exhibit a fractionalized, non-magnetic state (FL*) with a Fermi surface of sharp ele…
Scratching the Bose surface
Subir Sachdev
This is a `News and Views' article discussing recent proposals for ground states of many boson systems which are neither superfluids nor Mott insulators.
Spin collective mode and quasiparticle contributions to STM spectra of d-wave superconductors with pinning
Anatoli Polkovnikov, Subir Sachdev, Matthias Vojta
We present additional details of the scanning tunneling microscopy (STM) spectra predicted by the model of pinning of dynamic spin collective modes in d-wave superconductor propose…
Non-equilibrium Gross-Pitaevskii dynamics of boson lattice models
Anatoli Polkovnikov, Subir Sachdev, S. M. Girvin
Motivated by recent experiments on trapped ultra-cold bosonic atoms in an optical lattice potential, we consider the non-equilibrium dynamic properties of such bosonic systems for…