Confinement of Slave-Particles in U(1) Gauge Theories of Strongly-Interacting Electrons

Abstract

We show that slave particles are always confined in U(1) gauge theories of interacting electron systems. Consequently, the low-lying degrees of freedom are different from the slave particles. This is done by constructing a dual formulation of the slave-particle representation in which the no-double occupany constraint becomes linear and, hence, soluble. Spin-charge separation, if it occurs, is due to the existence of solitons with fractional quantum numbers.

References in corpus (2)

• Large N expansion for frustrated and doped quantum antiferromagnets
• Dual Vortex Theory of Strongly Interacting Electrons: Non-Fermi Liquid to the (Hard) Core

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