597 citations · 5.9k across the 110 of their papers we have counts for
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Quantum Monte Carlo simulations of highly frustrated magnets in a cluster basis: The two-dimensional Shastry-Sutherland model
Andreas Honecker, Lukas Weber, Philippe Corboz +2
Quantum Monte Carlo (QMC) simulations constitute nowadays one of the most powerful methods to study strongly correlated quantum systems, provided that no "sign problem" arises. How…
Surrogate models for quantum spin systems based on reduced order modeling
Michael F. Herbst, Stefan Wessel, Matteo Rizzi +1
We present a methodology to investigate phase-diagrams of quantum models based on the principle of the reduced basis method (RBM). The RBM is built from a few ground-state snapshot…
Hierarchical single-ion anisotropies in spin-1 Heisenberg antiferromagnets on the honeycomb lattice
Nils Caci, Lukas Weber, Stefan Wessel
We examine the thermal properties of the spin-1 Heisenberg antiferromagnet on the honeycomb lattice in the presence of an easy-plane single-ion anisotropy as well as the effects of…
Global hierarchy vs. local structure: spurious self-feedback in scale-free networks
Claudia Merger, Timo Reinartz, Stefan Wessel +3
Networks with fat-tailed degree distributions are omnipresent across many scientific disciplines. Such systems are characterized by so-called hubs, specific nodes with high numbers…
Quantum Monte Carlo simulations in the trimer basis: first-order transitions and thermal critical points in frustrated trilayer magnets
L. Weber, A. Honecker, B. Normand +3
The phase diagrams of highly frustrated quantum spin systems can exhibit first-order quantum phase transitions and thermal critical points even in the absence of any long-ranged ma…
Exact Critical Casimir Amplitude of Anisotropic Systems from Conformal Field Theory and Self-Similarity of Finite-Size Scaling Functions in Dimensions
Volker Dohm, Stefan Wessel
The exact critical Casimir amplitude is derived for anisotropic systems within the Ising universality class by combining conformal field theory (CFT) with anisotropic t…