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Gaussian field theories, random Cantor sets and multifractality
Claudio de C. Chamon, Christopher Mudry, Xiao-Gang Wen
The computation of multifractal scaling properties associated with a critical field theory involves non-local operators and remains an open problem using conventional techniques of…
Two-dimensional conformal field theory for disordered systems at criticality
Christopher Mudry, Claudio Chamon, Xiao-Gang Wen
Using a Kac-Moody current algebra with graded symmetry, we describe a class of (possibly disordered) critical points in two spatial dimensions. The critical p…
Theory of Underdoped Cuprates
Xiao-Gang Wen, Patrick A. Lee
We develop a slave-boson theory for the t-J model at finite doping which respects an SU(2) symmetry -- a symmetry previously known to be important at half filling. The mean field p…
Topological orders and Edge excitations in FQH states
Xiao-Gang Wen
Fractional quantum Hall (FQH) liquids contain extremely rich internal structures which represent a whole new kind of ordering. We discuss characterization and classification of the…
Quantum Boltzmann equation of composite fermions interacting with a gauge field
Yong Baek Kim, Patrick A. Lee, Xiao-Gang Wen
We derive the quantum Boltzmann equation (QBE) of composite fermions at/near the state using the non-equilibrium Green's function technique. The lowest order perturbative…