General theory for discrete symmetry-breaking equilibrium states in quantum systems
Spontaneous symmetry breaking in phase transitions occurs when the system Hamiltonian
is symmetric under a certain transformation, but the equilibrium states observed in nature …
is symmetric under a certain transformation, but the equilibrium states observed in nature …
Degeneracy in excited-state quantum phase transitions of two-level bosonic models and its influence on system dynamics
J Khalouf-Rivera, Q Wang, LF Santos… - Physical Review A, 2024 - APS
Excited-state quantum phase transitions (ESQPTs) strongly influence the spectral properties
of collective many-body quantum systems, changing degeneracy patterns in different …
of collective many-body quantum systems, changing degeneracy patterns in different …