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Time-dependent study of disordered models with infinite projected entangled pair states
Claudius Hubig, J. Ignacio Cirac
Infinite projected entangled pair states (iPEPS), the tensor network ansatz for two-dimensional systems in the thermodynamic limit, already provide excellent results on ground-stat…
Thermal control of spin excitations in the coupled Ising-chain material RbCoCl3
M. Mena, N. Hänni, S. Ward +8
We have used neutron spectroscopy to investigate the spin dynamics of the quantum (S = 1/2) antiferromagnetic Ising chains in RbCoCl3. The structure and magnetic interactions in th…
Density-matrix embedding theory study of the one-dimensional Hubbard-Holstein model
Teresa E. Reinhard, Uliana Mordovina, Claudius Hubig +5
We present a density-matrix embedding theory (DMET) study of the one-dimensional Hubbard-Holstein model, which is paradigmatic for the interplay of electron-electron and electron-p…
Interaction quench and thermalization in a one-dimensional topological Kondo insulator
I. Hagymási, C. Hubig, U. Schollwöck
We study the nonequilibrium dynamics of a one-dimensional topological Kondo insulator, modelled by a -wave Anderson lattice model, following a quantum quench of the on-site inte…
Abelian and non-abelian symmetries in infinite projected entangled pair states
Claudius Hubig
We explore in detail the implementation of arbitrary abelian and non-abelian symmetries in the setting of infinite projected entangled pair states on the two-dimensional square lat…