Dynamical properties of the isotropic XY model

Dynamics of the one-dimensional isotropic XY-model

Random isotropic one-dimensional XY-model

The xy model for phase transitions: some static and dynamic properties

Quantum phase transitions of the extended isotropic XY model with long-range interactions

Dynamics of zz spin correlations in the square-lattice spin- isotropic XY model

Time- and frequency-dependent correlation functions for the homogeneous and alternating-isotropic XY-models