Anomalous non-ergodic scaling in adiabatic multicritical quantum quenches (2009)
Deng, Shusa, Ortiz, Gerardo, Viola, Lorenza
We investigate non-equilibrium dynamical scaling in adiabatic quench processes across quantum multicritical points. Our analysis shows that the resulting power-law scaling depends sensitively on the...
Dynamical non-ergodic scaling in continuous finite-order quantum phase transitions (2008)
Deng, Shusa, Ortiz, Gerardo, Viola, Lorenza
We investigate the emergence of universal dynamical scaling in quantum critical spin systems adiabatically driven out of equilibrium, with emphasis on quench dynamics which involves non-isolated...
Generalized entanglement in static and dynamic quantum phase transitions (2008)
Deng, Shusa, Ortiz, Gerardo, Viola, Lorenza
We investigate a class of one-dimensional, exactly solvable anisotropic XY spin-1/2 models in an alternating transverse magnetic field from an entanglement perspective. We find that a physically...
Quantum entanglement in fermionic system : study of 1-D extended Hubbard model / (2005)
Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.