M
Matthias Troyer
Researcher at Microsoft
Publications - 481
Citations - 35590
Matthias Troyer is an academic researcher from Microsoft. The author has contributed to research in topics: Quantum Monte Carlo & Monte Carlo method. The author has an hindex of 86, co-authored 473 publications receiving 28965 citations. Previous affiliations of Matthias Troyer include University of Zurich & ETH Zurich.
Papers
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Pairing and excitation spectrum in doped t-J ladders.
TL;DR: Exact diagonalization studies for a doped t-J ladder (or double chain) show hole pairing in the ground state and the excitation spectrum separates into a limited number of quasiparticles which carry charge and spin and a triplet mode at half-filling.
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A Short Introduction to Fibonacci Anyon Models
TL;DR: In this article, the authors introduce the theory of anyons and discuss in detail how basis sets and matrix representations of the interaction terms can be obtained, using non-Abelian Fibonacci anyons as example.
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Diagrammatic Monte Carlo for correlated fermions
Evgeny Kozik,K. Van Houcke,K. Van Houcke,Emanuel Gull,Lode Pollet,Lode Pollet,Nikolay Prokof'ev,Nikolay Prokof'ev,Boris Svistunov,Boris Svistunov,Matthias Troyer +10 more
TL;DR: In this paper, Monte Carlo sampling of the Feynman diagrammatic series (DiagMC) was used for tackling hard fermionic quantum many-body problems in the thermodynamic limit by presenting accurate results for the repulsive Hubbard model in correlated Fermi liquid regime.
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Critical temperature curve in BEC-BCS crossover.
Evgeni Burovski,Evgeny Kozik,Evgeny Kozik,Nikolay Prokof'ev,Nikolay Prokof'ev,Nikolay Prokof'ev,Boris Svistunov,Boris Svistunov,Matthias Troyer +8 more
TL;DR: The strongly correlated regime of the crossover from Bardeen-Cooper-Schrieffer pairing to Bose-Einstein condensation can be realized by diluting a system of two-component fermions with a short-range attractive interaction via a novel continuous-space-time diagrammatic determinant Monte Carlo method.
Journal Article
Breakdown of a topological phase: Quantum phase transition in a loop gas model with tension
TL;DR: In this paper, the stability of topological order against local perturbations was studied by considering the effect of a magnetic field on a spin model, the toric code, which is in a topological phase.