Correlated ground states with (spontaneously) broken time-reversal symmetry
Behnam Farid
Abstract
We propose a self-consistent scheme for the determination of the ground-state (GS) properties of interacting electrons in a magnetic field, and of systems whose GS's time-reversal-symmetry (TRS) is spontaneously broken. It is based on a newly-developed many-body perturbation theory that is valid, irrespective of the strength of correlation, provided the GS number densities n( r), n( r), and the total paramagnetic particle flux density are pure-state non-interacting v-representable. Our approach can in particular be applied to (modulated) two-dimensional electron systems in the fractional quantum-Hall regime.
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