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Generic Construction of Efficient Matrix Product Operators
C. Hubig, I. P. McCulloch, U. Schollwöck
Matrix Product Operators (MPOs) are at the heart of the second-generation Density Matrix Renormalisation Group (DMRG) algorithm formulated in Matrix Product State language. We firs…
Universal long-time behavior of stochastically driven interacting quantum systems
Zi Cai, Claudius Hubig, Ulrich Schollwöck
One of the most important concepts in non-equilibrium physics is relaxation. In the vicinity of a classical critical point, the relaxation time can diverge and result in a universa…
Prethermalization and Persistent Order in the Absence of a Thermal Phase Transition
Jad C. Halimeh, Valentin Zauner-Stauber, Ian P. McCulloch +3
We numerically study the dynamics after a parameter quench in the one-dimensional transverse-field Ising model with long-range interactions ( with distance ), for…
Symmetry-broken states in a system of interacting bosons on a two-leg ladder with a uniform Abelian gauge field
S. Greschner, M. Piraud, F. Heidrich-Meisner +3
We study the quantum phases of bosons with repulsive contact interactions on a two-leg ladder in the presence of a uniform Abelian gauge field. The model realizes many interesting…