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5 papers
Ordering near the percolation threshold in models of 2D interacting bosons with quenched dilution
N. Bray-Ali, J. E. Moore, T. Senthil +1
Randomly diluted quantum boson and spin models in two dimensions combine the physics of classical percolation with the well-known dimensionality dependence of ordering in quantum l…
Quantum criticality beyond the Landau-Ginzburg-Wilson paradigm
T. Senthil, Leon Balents, Subir Sachdev +2
We present the critical theory of a number of zero temperature phase transitions of quantum antiferromagnets and interacting boson systems in two dimensions. The most important exa…
"Deconfined" quantum critical points
T. Senthil, Ashvin Vishwanath, Leon Balents +2
The theory of second order phase transitions is one of the foundations of modern statistical mechanics and condensed matter theory. A central concept is the observable `order param…
Screening and Dissipation at the Superconductor-Insulator Transition Induced by a Metallic Ground Plane
Ashvin Vishwanath, Joel E. Moore, T. Senthil
We study localization phenomena in two dimensional systems of charged particles in the presence of a metallic ground plane with a particular focus on the superconductor-insulator t…
Quantum Walk on the Line
Ashwin Nayak, Ashvin Vishwanath
Motivated by the immense success of random walk and Markov chain methods in the design of classical algorithms, we consider_quantum_ walks on graphs. We analyse in detail the behav…