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A dual gravity study of the 2+1D compact U(1) gauge theory coupled with strongly interacting matter fields
Sung-Sik Lee, Xiao-Gang Wen
We consider the D2-brane probe action in the gravity background dual to N coincident Dp-branes by treating the separation between the D2- and Dp-branes as a nondynamical parameter…
String and Membrane condensation on 3D lattices
Alioscia Hamma, Paolo Zanardi, Xiao Gang Wen
In this paper, we investigate the general properties of lattice spin models that have string and/or membrane condensed ground states. We discuss the properties needed to define a s…
Doping a Mott Insulator: Physics of High Temperature Superconductivity
Patrick A. Lee, Naoto Nagaosa, Xiao-Gang Wen
This article reviews the effort to understand the physics of high temperature superconductors from the point of view of doping a Mott insulator. The basic electronic structure of t…
New mean field theory of the tt't''J model applied to the high-Tc superconductors
Tiago C. Ribeiro, Xiao-Gang Wen
We introduce a new mean field approach to the tt't''J model that incorporates both electron-like quasiparticle and spinon excitations as suggested by some experiments and numerical…
Photons and electrons as emergent phenomena
Michael Levin, Xiao-Gang Wen
Recent advances in condensed matter theory have revealed that new and exotic phases of matter can exist in spin models (or more precisely, local bosonic models) via a simple physic…
An Introduction to Quantum Order, String-net Condensation, and Emergence of Light and Fermions
Xiao-Gang Wen
We review some recent work on new states of matter. Those states cannot be described symmetry breaking and hence contain a new kind of order -- quantum order. Some quantum orders a…