Anomalous dimensions of gauge-invariant amplitudes in massless effective gauge theories of strongly correlated systems

Details Anomalous dimensions of gauge-invariant amplitudes in massless effective gauge theories of strongly correlated systems Anomalous dimensions of gauge-invariant amplitudes in massless effective gauge theories of strongly correlated systems

2002-07-16

arxiv.org/abs/cond-mat/0207372v4

Phys.Rev.B67:115201,2003

Physics

Condensed Matter

Latex, 11 pages, no figures

Scientific paper

10.1103/PhysRevB.67.115201

We use the radial gauge to calculate the recently proposed ansatz for the physical electron propagator in such effective models of strongly correlated electron systems as the $QED_3$ theory of the pseudogap phase of the cuprates. The results of our analysis help to settle the recent dispute about the sign and the magnitude of the anomalous dimension which characterizes the gauge invariant amplitude in question and set the stage for computing other, more physically relevant, ones.

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