Discrete truncated Wigner approach to dynamical phase transitions in Ising models after a quantum quench
Discrete truncated Wigner approach to dynamical phase transitions in Ising models after a quantum quench
By means of the discrete truncated Wigner approximation, we study dynamical phase transitions arising in the steady state of transverse-field Ising models after a quantum quench. Starting from a fully polarized ferromagnetic initial condition, these transitions separate a phase with nonvanishing magnetization along the ordering direction from a disordered symmetric …