Showing 121 - 140 results of 405 for search '"Quantum Monte Carlo"', query time: 0.62s Refine Results
  1. 121

    Correlation energy of the paramagnetic electron gas at the thermodynamic limit by Azadi, S, Drummond, ND, Vinko, SM

    Published 2023
    “…The present diffusion quantum Monte Carlo energies, together with our recently reported [Phys. …”
    Journal article
  2. 122

    Pairing correlations in the two-layer attractive Hubbard model by Zujev, Aleksander, Sengupta, Pinaki, Scalettar, Richard T., Batrouni, George G.

    Published 2014
    “…In this paper, we use quantum Monte Carlo to study analogous issues for attractive interactions. …”
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    Journal Article
  3. 123

    On the spacing distributions in the spin-1/2 XX chain by Diego Luis González, Juan David Álvarez Cuartas, T. L. Einstein

    Published 2023-05-01
    “…Additionally, these distributions can be calculated easily from quantum Monte Carlo simulation and, therefore, can be used to illustrate this numerical method.…”
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    Article
  4. 124

    Triplet p-wave pairing correlation in low-doped zigzag graphene nanoribbons by Tianxing Ma, Fan Yang, Zhongbing Huang, Hai-Qing Lin

    Published 2017-02-01
    “…By employing a method that combines random-phase approximation, the finite-temperature determinant quantum Monte Carlo approach, and the ground-state constrained-path quantum Monte Carlo method, it is shown that such a spin-triplet pairing is mediated by the ferromagnetic fluctuations caused by the flat band at the edge. …”
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    Article
  5. 125

    Learning Feynman Diagrams with Tensor Trains by Yuriel Núñez Fernández, Matthieu Jeannin, Philipp T. Dumitrescu, Thomas Kloss, Jason Kaye, Olivier Parcollet, Xavier Waintal

    Published 2022-11-01
    “…Our benchmarks on the Anderson quantum impurity problem, within the real-time nonequilibrium Schwinger-Keldysh formalism, demonstrate that this technique supersedes diagrammatic quantum Monte Carlo by orders of magnitude in precision and speed, with convergence rates 1/N^{2} or faster, where N is the number of function evaluations. …”
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    Article
  6. 126

    Enhanced pair correlation functions in the two-dimensional Hubbard model by Takashi Yanagisawa

    Published 2013-01-01
    “…In this study we have computed the pair correlation functions in the two-dimensional Hubbard model using a quantum Monte Carlo method. We employ a new diagonalization algorithm in the quantum Monte Carlo method which is free from the negative sign problem. …”
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    Article
  7. 127

    What is the Computational Value of Finite-Range Tunneling? by Vasil S. Denchev, Sergio Boixo, Sergei V. Isakov, Nan Ding, Ryan Babbush, Vadim Smelyanskiy, John Martinis, Hartmut Neven

    Published 2016-08-01
    “…We also compare physical QA with the quantum Monte Carlo algorithm, an algorithm that emulates quantum tunneling on classical processors. …”
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    Article
  8. 128

    Ab initio solution of the many-electron Schrödinger equation with deep neural networks by David Pfau, James S. Spencer, Alexander G. D. G. Matthews, W. M. C. Foulkes

    Published 2020-09-01
    “…The Fermionic neural network is able to achieve accuracy beyond other variational quantum Monte Carlo Ansatz on a variety of atoms and small molecules. …”
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    Article
  9. 129
  10. 130

    Quantum Adiabatic Algorithms, Small Gaps, and Different Paths by Farhi, Edward, Goldstone, Jeffrey, Gosset, David Nicholas, Gutmann, Sam, Meyer, Harvey B., Shor, Peter W.

    Published 2014
    “…We do not know whether this trick will help for a random instance of3SAT (as opposed to an instance from the particular set we consider), especially if theinstance has an exponential number of disparate assignments that violate few clauses.We use a continuous imaginary time Quantum Monte Carlo algorithm in a novel way tonumerically investigate the ground state as well as the first excited state of our system.Our arguments are supplemented by Quantum Monte Carlo data from simulations withup to 150 spins.…”
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    Article
  11. 131

    A simple case of d(x2-y2) pairing: Hubbard ladder by Bulut N.

    Published 2012-03-01
    “…We study the strength and the temperature scale of the d(x2-y2) pairing correlations in the Hubbard model on a ladder lattice using Quantum Monte Carlo (QMC) simulations. In particular, we present QMC results on the particle-particle interaction and the solution of the Bethe-Salpeter equation for the d(x2-y2)-wave BCS channel. …”
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    Article
  12. 132

    Unconventional phase transitions in strongly anisotropic 2D (pseudo)spin systems by Konev Vitaly, Vasinovich Evgeny, Ulitko Vasily, Panov Yury, Moskvin Alexander

    Published 2018-01-01
    “…We have applied a generalized mean-field approach and quantum Monte-Carlo technique for the model 2D S = 1 (pseudo)spin system to find the ground state phase with its evolution under application of the (pseudo)magnetic field. …”
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    Article
  13. 133

    Strangeness in nuclei and neutron stars: a challenging puzzle by Lonardoni Diego, Lovato Alessandro, Gandolfi Stefano, Pederiva Francesco

    Published 2016-01-01
    “…We summarize our recent quantum Monte Carlo results on the development of realistic two- and threebody hyperon-nucleon interactions based on the available experimental data for light- and medium-heavy hypernuclei.…”
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    Article
  14. 134

    Quantum computing for data-centric engineering and science by Steven Herbert

    Published 2022-01-01
    “…In this perspective, I give my answer to the question of how quantum computing will impact on data-intensive applications in engineering and science. I focus on quantum Monte Carlo integration as a likely source of (relatively) near-term quantum advantage, but also discuss some other ideas that have garnered widespread interest.…”
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    Article
  15. 135

    Autoregressive neural Slater-Jastrow ansatz for variational Monte Carlo simulation by Stephan Humeniuk, Yuan Wan, Lei Wang

    Published 2023-06-01
    “…Direct sampling from a Slater determinant is combined with an autoregressive deep neural network as a Jastrow factor into a fully autoregressive Slater-Jastrow ansatz for variational quantum Monte Carlo, which allows for uncorrelated sampling. …”
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    Article
  16. 136

    DCore: Integrated DMFT software for correlated electrons by Hiroshi Shinaoka, Junya Otsuki, Mitsuaki Kawamura, Nayuta Takemori, Kazuyoshi Yoshimi

    Published 2021-05-01
    “…Furthermore, DCore provides interfaces to many advanced quantum impurity solvers such as quantum Monte Carlo and exact diagonalization solvers. …”
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    Article
  17. 137

    Dimensional crossover in bose-hubbard model. by Zhang, Zhifeng.

    Published 2011
    “…We used quantum Monte Carlo simulation to investigate the dimensional crossover in the Bose-Hubbard model when the inter layer coupling Jp was reduced from 1 to 0. …”
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    Final Year Project (FYP)
  18. 138

    Tunneling dynamics in water tetramer and pentamer by Gregory, J, Clary, D

    Published 1996
    “…The very good agreement between vibrationally averaged rotational constants from diffusion quantum Monte Carlo calculations and experimental values confirms that the structures are cyclic. …”
    Journal article
  19. 139

    REACTION-PATH ZERO-POINT ENERGY FROM DIFFUSION MONTE-CARLO CALCULATIONS by Gregory, J, Wales, D, Clary, D

    Published 1995
    “…A general diffusion quantum Monte Carlo method is described for accurately calculating the zero-point energy of the vibrations orthogonal to a reaction path in a polyatomic system. …”
    Journal article
  20. 140

    Complex Langevin study for polarons in a one-dimensional two-component Fermi gas with attractive contact interactions by Takahiro M. Doi, Hiroyuki Tajima, Shoichiro Tsutsui

    Published 2021-08-01
    “…We investigate a polaronic excitation in a one-dimensional spin-1/2 Fermi gas with contact attractive interactions, using the complex Langevin method, which is a promising approach to evade a possible sign problem in quantum Monte Carlo simulations. We found that the complex Langevin method works correctly in a wide range of temperature, interaction strength, and population imbalance. …”
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    Article