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Bond and Neel order and fractionalization in ground states of easy-plane antiferromagnets in two dimensions
Kwon Park, Subir Sachdev
We describe the zero temperature phases and phase boundaries of an effective lattice model for frustrated, easy-plane, spin S=1/2 quantum antiferromagnets. The model contains state…
Competing orders in a magnetic field: spin and charge order in the cuprate superconductors
Ying Zhang, Eugene Demler, Subir Sachdev
We describe two-dimensional quantum spin fluctuations in a superconducting Abrikosov flux lattice induced by a magnetic field applied to a doped Mott insulator. Complete numerical…
Magnetic field tuning of charge and spin order in the cuprate superconductors
Anatoli Polkovnikov, Subir Sachdev, Matthias Vojta +1
Recent neutron scattering, nuclear magnetic resonance, and scanning tunneling microscopy experiments have yielded valuable new information on the interplay between charge and spin…
Quantum phase transitions of correlated electrons in two dimensions
Subir Sachdev
We review the theories of a few quantum phase transitions in two-dimensional correlated electron systems and discuss their application to the cuprate high temperature superconducto…
Spin and charge order in Mott insulators and d-wave superconductors
Subir Sachdev
We argue that aspects of the anomalous, low temperature, spin and charge dynamics of the high temperature superconductors can be understood by studying the corresponding physics of…
Ground states of quantum antiferromagnets in two dimensions
Subir Sachdev, Kwon Park
We explore the ground states and quantum phase transitions of two-dimensional, spin S=1/2, antiferromagnets by generalizing lattice models and duality transforms introduced by Sach…