S. Trebst

Publications172
h-index36
Citations5,093
Highly Influential Citations98
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Interacting anyons in topological quantum liquids: the golden chain.
TLDR
Numerical simulations of a chain of Fibonacci anyons show that the model is critical with a dynamical critical exponent z=1, and described by a two-dimensional (2D) conformal field theory with central charge c=7/10.
Feedback-optimized parallel tempering Monte Carlo
TLDR
This paper shows that by choosing the temperatures with a modified version of the optimized ensemble feedback method, one can minimize the round-trip times between the lowest and highest temperatures which effectively increases the efficiency of the parallel tempering algorithm.
The ALPS project release 2.0: open source software for strongly correlated systems
TLDR
The ALPS libraries provide a powerful framework for programmers to develop their own applications, which, for instance, greatly simplify the steps of porting a serial code onto a parallel, distributed memory machine.
Anyonic quantum spin chains: Spin-1 generalizations and topological stability
There are many interesting parallels between systems of interacting non-Abelian anyons and quantum magnetism occurring in ordinary SU(2) quantum magnets. Here we consider theories of so-called…
The ALPS project release 1.3: Open-source software for strongly correlated systems
Order-by-disorder and spiral spin-liquid in frustrated diamond-lattice antiferromagnets
Frustration refers to competition between different interactions that cannot be simultaneously satisfied—a familiar feature in many magnetic solids. Strong frustration leads to highly degenerate…
Optimizing the ensemble for equilibration in broad-histogram Monte Carlo simulations.
TLDR
An adaptive algorithm which optimizes the statistical-mechanical ensemble in a generalized broad-histogram Monte Carlo simulation to maximize the system's rate of round trips in total energy and substantially outperforms flat-histograms methods such as the Wang-Landau algorithm.
Performance limitations of flat-histogram methods.
TLDR
The shape parameters of these distributions indicate that statistical sample means become ill defined already for moderate system sizes within these complex energy landscapes, as well as indicating the optimal scaling of local-update flat-histogram methods with system size.
Emergence of a field-driven U(1) spin liquid in the Kitaev honeycomb model
TLDR
Hickey and Trebst show that magnetic fields can destabilize the well-known gapped Kitaev spin liquid and induce a new gapless spin liquid, with a distinct gauge structure and neutral Fermi surface, at intermediate field strengths.
Possible proximity of the Mott insulating iridate Na2IrO3 to a topological phase: Phase diagram of the Heisenberg-Kitaev model in a magnetic field
In the realm of condensed matter physics, spin-orbit coupling has long been considered a residual, relativistic correction of minor relevance to the macroscopic properties of a material. In recent…
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