162 citations · 1k across the 26 of their papers we have counts for
26 papers
Light cone in the two-dimensional transverse-field Ising model in time-dependent mean-field theory
Jonas Hafner, Benjamin Blaß, Heiko Rieger
We investigate the propagation of a local perturbation in the two-dimensional transverse-field Ising model with a time-dependent application of mean-field theory based on the BBGKY…
Superfluid clusters, percolation and phase transitions in the disordered, two dimensional Bose-Hubbard model
Astrid Niederle, Heiko Rieger
The Bose glass (BG) phase is the Griffiths region of the disordered Bose Hubbard model (BHM), characterized by finite, quasi-superfluid clusters within a Mott insulating background…
Quantum relaxation and finite size effects in the XY chain in a transverse field after global quenches
Benjamin Blaß, Heiko Rieger, Ferenc Iglói
We consider global quenches in the quantum XY chain in a transverse field and study the nonequilibrium relaxation of the magnetization and the correlation function as well as the e…
Vascular network remodeling via vessel cooption, regression and growth in tumors
K. Bartha, H. Rieger
The transformation of the regular vasculature in normal tissue into a highly inhomogeneous tumor specific capillary network is described by a theoretical model incorporating tumor…
Domain Growth in Random Magnets
Raja Paul, Sanjay Puri, Heiko Rieger
We study the kinetics of domain growth in ferromagnets with random exchange interactions. We present detailed Monte Carlo results for the nonconserved random-bond Ising model, whic…
Scaling of the spin stiffness in random spin-1/2 chains : Crossover from pure-metallic behaviour to random singlet-localized regime
Nicolas Laflorencie, Heiko Rieger
In this paper we study the localization transition induced by the disorder in random antiferromagnetic spin-1/2 chains. The results of numerical large scale computations are presen…