1204.5080 (Alexander Müller-Hermes et al.)

Tensor network techniques for the computation of dynamical observables
in 1D quantum spin systems    [PDF]

Alexander Müller-Hermes, J. Ignacio Cirac, Mari Carmen Bañuls

We analyze the recently developed folding algorithm [Phys. Rev. Lett. 102, 240603 (2009)] to simulate the dynamics of infinite quantum spin chains, and relate its performance to the kind of entanglement produced under the evolution of product states. We benchmark the accomplishments of this technique with respect to alternative strategies using Ising Hamiltonians with transverse and parallel fields, as well as XY models. Additionally, we evaluate its ability to find ground and thermal equilibrium states.

View original: http://arxiv.org/abs/1204.5080