activity
20232026
most citedBasis set incompleteness errors in fixed-node diffusion Monte Carlo calculations on non-covalent interactions

9 citations · 35 across the 11 of their papers we have counts for

collaborators

12 papers

physics.chem-ph2026

jQMC: A JAX-based ab initio quantum Monte Carlo package designed for GPU-accelerated computing

Kousuke Nakano, Michele Casula

We present jQMC, a Python-based computational package for {\it ab initio} Quantum Monte Carlo (QMC) simulations, designed for modern GPU-accelerated computing environments. jQMC im…

physics.chem-ph2026

The Python Simulations of Chemistry Framework: 10 years of an open-source quantum chemistry project

Qiming Sun, Matthew R Hermes, Xiaojie Wu +100

Over the past decade, the Python-based Simulations of Chemistry Framework (PySCF) has developed into a widely used open-source platform for electronic structure theory and quantum…

physics.chem-ph2026

Assessing the impact of nodal surface optimization in fixed-node diffusion Monte Carlo on non-covalent interactions

Kousuke Nakano, Benjamin X. Shi, Dario Alfè +1

Diffusion quantum Monte Carlo (DMC) and coupled cluster theory [CCSD(T)] are widely-employed benchmark methods for noncovalent interactions (NCIs). However, recent studies have rep…

physics.chem-ph2025

Fast Evaluation of Unbiased Atomic Forces in ab initio Variational Monte Carlo via the Lagrangian Technique

Kousuke Nakano, Stefano Battaglia, Jürg Hutter

Ab initio quantum Monte Carlo (QMC) methods are state-of-the-art electronic structure calculations based on highly parallelizable stochastic frameworks for accurate solutions of th…

physics.chem-ph2025

Load-Balanced Diffusion Monte Carlo Method with Lattice Regularization

Kousuke Nakano, Sandro Sorella, Michele Casula

Ab initio quantum Monte Carlo (QMC) is a stochastic approach for solving the many-body Schrödinger equation without resorting to one-body approximations. QMC algorithms are readily…

cond-mat.str-el2025★ 1 cited

Self-consistency error correction for accurate machine learning potentials from variational Monte Carlo

Giacomo Tenti, Kousuke Nakano, Michele Casula

Variational Monte Carlo (VMC) can be used to train accurate machine learning interatomic potentials (MLIPs), enabling molecular dynamics (MD) simulations of complex materials on ti…

cond-mat.dis-nn2025★ 5 cited

Hydrogen liquid-liquid transition from first principles and machine learning

Giacomo Tenti, Bastian Jäckl, Kousuke Nakano +2

The molecular-to-atomic liquid-liquid transition (LLT) in high-pressure hydrogen is a fundamental topic touching domains from planetary science to materials modeling. Yet, the natu…

physics.comp-ph2025★ 7 cited

Reproducibility of fixed-node diffusion Monte Carlo across diverse community codes: The case of water-methane dimer

Flaviano Della Pia, Benjamin X. Shi, Yasmine S. Al-Hamdani +30

Fixed-node diffusion quantum Monte Carlo (FN-DMC) is a widely-trusted many-body method for solving the Schrödinger equation, known for its reliable predictions of material and mole…

astro-ph.EP2025

A Denser Hydrogen Inferred from First-Principles Simulations Challenges Jupiter's Interior Models

Cesare Cozza, Kousuke Nakano, Saburo Howard +3

First-principle modeling of dense hydrogen is crucial in materials and planetary sciences. Despite its apparent simplicity, predicting the ionic and electronic structure of hydroge…

physics.chem-ph2024★ 9 cited

Basis set incompleteness errors in fixed-node diffusion Monte Carlo calculations on non-covalent interactions

Kousuke Nakano, Benjamin X. Shi, Dario Alfè +1

Basis set incompleteness error (BSIE) is a common source of error in quantum chemistry (QC) calculations, but it has not been comprehensively studied in fixed-node Diffusion Monte…

physics.comp-ph2024★ 5 cited

Beyond single-reference fixed-node approximation in ab initio Diffusion Monte Carlo using antisymmetrized geminal power applied to systems with hundreds of electrons

Kousuke Nakano, Sandro Sorella, Dario Alfè +1

Diffusion Monte Carlo (DMC) is an exact technique to project out the ground state (GS) of a Hamiltonian. Since the GS is always bosonic, in fermionic systems the projection needs t…

cond-mat.mtrl-sci2023★ 8 cited

Efficient calculation of unbiased atomic forces in ab initio Variational Monte Carlo

Kousuke Nakano, Michele Casula, Giacomo Tenti

Ab initio quantum Monte Carlo (QMC) is a state-of-the-art numerical approach for evaluating accurate expectation values of many-body wavefunctions. However, one of the major drawba…