English (United States)
This thesis investigates quantum systems with underlying classically chaotic dynam- ics in the framework of spontaneous symmetry-breaking transitions. The main emphases are on: (i) Quantum-Classical correspondence in systems at a metal-to-insulator tran- sition as seen through dynamical stability with respect to external perturbations, and (ii) the spontaneous breaking of combined parity and time-reversal symmetry in non- Hermitian systems across the localization-delocalization transition. By studying such crossroads between a critical phase transition and a parametric system change (quan- tum to classical or localized to delocalized) we are able to develop results for entire universality classes.
West, Carl Tonner, "Chaos at the Crossroads of Spontaneous Symmetry Breakings: Novel Universality Classes" (2011). Honors Theses - All. Paper 653.
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