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

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

1999-12-15

arxiv.org/abs/cond-mat/9912270v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevLett.85.178

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.

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