Magnetoexcitons break antiunitary symmetries

Abstract

We show analytically and numerically that the application of an external magnetic field to highly excited Rydberg excitons breaks all antiunitary symmetries in the system. Only by considering the complete valence band structure of a direct band gap cubic semiconductor, the Hamiltonian of excitons leads to the statistics of a Gaussian unitary ensemble (GUE) without the need for interactions with other quasi-particles like phonons. Hence, we give theoretical evidence for a spatially homogeneous system breaking all antiunitary symmetries.

arXiv commentAccepted for publication in Physical Review Letters

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Cited by in corpus (20)

• Scaling laws of Rydberg excitons
• The even exciton series in Cu${}_2$O
• Interactions between Rydberg excitons in Cu${}_2$O
• Interaction of Rydberg Excitons in Cuprous Oxide with Phonons and Photons: Optical Linewidth and Polariton Effect
• Magnetooptical Properties of Rydberg Excitons - Center-of-Mass Quantization Approach
• The phonon assisted absorption of excitons in Cu${}_2$O
• GOE-GUE-Poisson transitions in the nearest neighbor spacing distribution of magnetoexcitons
• Exciton-polaritons in cuprous oxide: Theory and comparison with experiment
• Energy levels repulsion by spin-orbit coupling in two-dimensional Rydberg excitons
• Topological spin phases of trapped Rydberg excitons in Cu${}_2$O
• Electro-optical properties of Cu${}_2$O in the regime of Franz-Keldysh oscillations
• Interseries transitions between Rydberg excitons in Cu${}_2$O
• Magneto-Stark-effect of yellow excitons in cuprous oxide
• Crossover between the Gaussian orthogonal ensemble, the Gaussian unitary ensemble, and Poissonian statistics
• Chaotic cyclotron and Hall trajectories due to spin-orbit coupling
• Exciton-phonon interaction breaking all antiunitary symmetries in external magnetic fields
• Signatures of exciton orbits in quantum mechanical recurrence spectra of Cu${}_2$O
• Onset of universality in the dynamical mixing of a pure state
• Rydberg excitons in cuprous oxide: A two-particle system with classical chaos
• Eigenenergies of excitonic giant-dipole states in cuprous oxide