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cond-mat.str-el2018
Emergence of anomalous dynamics from the underlying singular continuous spectrum in interacting many-body systems
J. Settino, N. W. Talarico, F. Cosco +3
We investigate the dynamical properties of an interacting many-body system with a non-trivial energy potential landscape that may induce a singular continuous single-particle energ…
cond-mat.str-el2006
Entanglement in One-Dimensional Spin Systems
A. Osterloh, L. Amico, F. Plastina +1
For the anisotropic XY model in transverse magnetic field, we analyze the ground state and its concurrence-free point for generic anisotropy, and the time evolution of initial Bell…