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Improved second quantized Neural Quantum States for molecules

ORAL

Abstract

Variational Monte Carlo techniques, when applied to quantum chemistry in its second quantized formulation, face challenges in reaching the infinite basis set limit due to the unfavourable scaling of the local energy calculation with the basis set size.

In this talk, I will discuss strategies to overcome the local energy bottleneck, introduce an improved Ansatz, and present a Markov chain Monte Carlo sampling approach for peaked wave functions.

Presenters

  • Clemens Giuliani

    Ecole Polytechnique Federale de Lausanne

Authors

  • Clemens Giuliani

    Ecole Polytechnique Federale de Lausanne

  • Riccardo Rossi

    École Polytechnique Fédérale de Lausanne

  • Jannes Nys

    Institute of Physics, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland, École Polytechnique Fédérale de Lausanne, Ecole Polytechnique Fédérale de Lausanne, ETH Zürich

  • Filippo Vicentini

    Ecole Polytechnique, École polytechnique de Paris

  • Giuseppe Carleo

    Institute of Physics, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland, École Polytechnique Fédérale de Lausanne, Ecole Polytechnique Federale de Lausanne, Ecole Polytechnique Fédérale de Lausanne, Ecole Polytechnique Fédérale de Lausanne (EPFL)