Showing 1 - 20 results of 36 for search '"quantum many-body problem"', query time: 0.29s Refine Results
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8

    A Numerically Exact Approach to Quantum Impurity Problems in Realistic Lattice Geometries by Andrew Allerdt, Adrian E. Feiguin

    Published 2019-06-01
    “…The resulting dimensional and entanglement reduction allows one to study the quantum many-body problem on arbitrary d-dimensional lattices using the density matrix renormalization group (DMRG) method. …”
    Get full text
    Article
  9. 9

    Interaction between Different Kinds of Quantum Phase Transitions by Angel Ricardo Plastino, Gustavo Luis Ferri, Angelo Plastino

    Published 2021-04-01
    “…The pairing versus monopole effects here observed afford for some interesting insights into the intricacies of the quantum many body problem, in particular with regards to so-called quantum phase transitions (strictly, level crossings).…”
    Get full text
    Article
  10. 10

    Modeling noncovalent interatomic interactions on a photonic quantum computer by Matthieu Sarkis, Alessio Fallani, Alexandre Tkatchenko

    Published 2023-10-01
    “…However, accurately capturing these interactions is a complex quantum many-body problem, with no efficient solution available on classical computers. …”
    Get full text
    Article
  11. 11

    Stochastic representation of many-body quantum states by Hristiana Atanasova, Liam Bernheimer, Guy Cohen

    Published 2023-06-01
    “…Abstract The quantum many-body problem is ultimately a curse of dimensionality: the state of a system with many particles is determined by a function with many dimensions, which rapidly becomes difficult to efficiently store, evaluate and manipulate numerically. …”
    Get full text
    Article
  12. 12

    Quantum theory of Kerr nonlinearity with Rydberg slow light polaritons by Przemyslaw Bienias, Hans Peter Büchler

    Published 2016-01-01
    “…In this regime, the quantum many-body problem can be solved analytically for arbitrary shape of the atomic cloud. …”
    Get full text
    Article
  13. 13

    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
    “…We use tensor network techniques to obtain high-order perturbative diagrammatic expansions for the quantum many-body problem at very high precision. The approach is based on a tensor train parsimonious representation of the sum of all Feynman diagrams, obtained in a controlled and accurate way with the tensor cross interpolation algorithm. …”
    Get full text
    Article
  14. 14

    Symmetry-protected Bose-Einstein condensation of interacting hardcore bosons by Reja H. Wilke, Thomas Köhler, Felix A. Palm, Sebastian Paeckel

    Published 2023-07-01
    “…We illustrate this mechanism by constructing the solution of the full quantum many-body problem of hardcore bosons on a wheel geometry, which are known to form Bose-Einstein condensates. …”
    Get full text
    Article
  15. 15
  16. 16

    Simulating a ring-like Hubbard system with a quantum computer by Philippe Suchsland, Panagiotis Kl. Barkoutsos, Ivano Tavernelli, Mark H. Fischer, Titus Neupert

    Published 2022-03-01
    “…We develop a workflow to use current quantum computing hardware for solving quantum many-body problems, using the example of the fermionic Hubbard model. …”
    Get full text
    Article
  17. 17

    Deep learning representations for quantum many-body systems on heterogeneous hardware by Xiao Liang, Mingfan Li, Qian Xiao, Junshi Chen, Chao Yang, Hong An, Lixin He

    Published 2023-01-01
    “…The quantum many-body problems are important for condensed matter physics, however solving the problems are challenging because the Hilbert space grows exponentially with the size of the problem. …”
    Get full text
    Article
  18. 18

    Interpreting machine learning of topological quantum phase transitions by Yi Zhang, Paul Ginsparg, Eun-Ah Kim

    Published 2020-06-01
    “…The interpretability in these cases suggests hope for theoretical progress based on future uses of ANN-based machine learning on quantum many-body problems.…”
    Get full text
    Article
  19. 19

    Quantum machine learning for electronic structure calculations by Rongxin Xia, Sabre Kais

    Published 2018-10-01
    “…Here, the authors develop a quantum machine learning algorithm, which demonstrates significant improvements in solving quantum many-body problems.…”
    Get full text
    Article
  20. 20

    Multipurpose platform for analog quantum simulation by Shuwei Jin, Kunlun Dai, Joris Verstraten, Maxime Dixmerias, Ragheed Alhyder, Christophe Salomon, Bruno Peaudecerf, Tim de Jongh, Tarik Yefsah

    Published 2024-02-01
    “…Atom-based quantum simulators have had many successes in tackling challenging quantum many-body problems, owing to the precise and dynamical control that they provide over the systems' parameters. …”
    Get full text
    Article