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Competing orders, non-linear sigma models, and topological terms in quantum magnets
T. Senthil, Matthew P. A. Fisher
A number of examples have demonstrated the failure of the Landau-Ginzburg-Wilson(LGW) paradigm in describing the competing phases and phase transitions of two dimensional quantum m…
Neel order, quantum spin liquids and quantum criticality in two dimensions
Pouyan Ghaemi, T. Senthil
This paper is concerned with the possibility of a direct second order transition out of a collinear Neel phase to a paramagnetic spin liquid in two dimensional quantum antiferromag…
Vortex description of the fractionalized phase in exciton bose condensate
Sung-Sik Lee, T. Senthil, Patrick A. Lee
As a sequel to the previous work [Phys. Rev. B 72, 235104 (2005)] we present a vortex description of the fractionalized phase in exciton bose condensate. Magnetic flux line and mon…
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…
Fractionalization, topological order, and quasiparticle statistics
Masaki Oshikawa, T. Senthil
We argue, based on general principles, that topological order is essential to realize fractionalization in gapped insulating phases in dimensions . In with genus $g…
Vortices and quasiparticles near the "superconductor-insulator" transition in thin films
Victor Galitski, G. Refael, Matthew P. A. Fisher +1
We study the low temperature behavior of an amorphous superconducting film driven normal by a perpendicular magnetic field (B). For this purpose we introduce a new two-fluid formul…