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Spontaneous Time-Reversal Symmetry Breaking In Two Dimensional Electronic Systems, Wei Liu
Spontaneous Time-Reversal Symmetry Breaking In Two Dimensional Electronic Systems, Wei Liu
Dissertations, Theses, and Capstone Projects
The discovery of high temperature superconductivity inspired a number of novel proposals, one of which, put forward by C.M.Varma, involves the breaking of time-reversal symmetry to explain the physics of the underdoped pseudogap phase. It was proposed that time-reversal symmetry is spontaneously broken as a result of strong repulsion between the Cu-O electrons to form loop-currents in the system.
In this work, we developed a general theory to study the quantum phase transitions in the 2 dimensional strongly interacting electronic systems in which time-reversal symmetry is spontaneously broken in the ground state. We first applied the theory of magnetic groups …