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- Troels F. Rønnow, Zhihui Wang, +6 authors Matthias Troyer
- 2014

Troels F. Rønnow, Zhihui Wang, Joshua Job, Sergio Boixo, Sergei V. Isakov, David Wecker, John M. Martinis, Daniel A. Lidar, and Matthias Troyer∗1 Theoretische Physik, ETH Zurich, 8093 Zurich, Switzerland Department of Chemistry and Center for Quantum Information Science & Technology, University of Southern California, Los Angeles, California 90089, USA… (More)

- Alexey A Soluyanov, Dominik Gresch, +4 authors B Andrei Bernevig
- Nature
- 2015

Fermions--elementary particles such as electrons--are classified as Dirac, Majorana or Weyl. Majorana and Weyl fermions had not been observed experimentally until the recent discovery of condensed matter systems such as topological superconductors and semimetals, in which they arise as low-energy excitations. Here we propose the existence of a previously… (More)

As scientists continue to migrate their work to computational methods, it is important to track not only the steps involved in the computation but also the data consumed and produced. While this provenance information can be captured, in existing approaches, it often contains only weak references between data and provenance. When data files or provenance… (More)

- S. V. Isakov, I. N. Zintchenko, T. F. Rønnow, Matthias Troyer
- Computer Physics Communications
- 2015

- Lei Wang, Troels F. Rønnow, +6 authors Matthias Troyer
- 2013

Lei Wang, Troels F. Rønnow, Sergio Boixo, Sergei V. Isakov, Zhihui Wang, David Wecker, Daniel A. Lidar, John M. Martinis, and Matthias Troyer Theoretische Physik, ETH Zurich, 8093 Zurich, Switzerland Information Sciences Institute and Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA Department of Chemistry… (More)

- Simon Trebst, David A Huse, Matthias Troyer
- Physical review. E, Statistical, nonlinear, and…
- 2004

We present 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. The scaling of the mean round-trip time from the ground state to the maximum entropy state for this local-update method is found to be O ( [N ln N](2) ) for… (More)

- Giuseppe Carleo, Matthias Troyer
- Science
- 2017

The challenge posed by the many-body problem in quantum physics originates from the difficulty of describing the nontrivial correlations encoded in the exponential complexity of the many-body wave function. Here we demonstrate that systematic machine learning of the wave function can reduce this complexity to a tractable computational form for some notable… (More)

The present paper is concerned with minimizers of the Hartree energy functional H g ; ] = 1 2 krk 2 2 + (; v) 2 + g(; V jj 2) 2 with g < 0 on the connguration space R d , d 2, for a general class of external potentials v and two-body potentials V. We prove that a minimizer does not have the symmetry properties of the potential v for jgj strictly larger than… (More)

- Philipp Werner, Armin Comanac, Luca De' Medici, Matthias Troyer, Andrew J Millis
- Physical review letters
- 2006

We present a new continuous-time solver for quantum impurity models such as those relevant to dynamical mean field theory. It is based on a stochastic sampling of a perturbation expansion in the impurity-bath hybridization parameter. Comparisons with Monte Carlo and exact diagonalization calculations confirm the accuracy of the new approach, which allows… (More)

The preparation of quantum states using short quantum circuits is one of the most promising near-term applications of small quantum computers, especially if the circuit is short enough and the fidelity of gates high enough that it can be executed without quantum error correction. Such quantum state preparation can be used in variational approaches,… (More)