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Quantum Monte Carlo methods for nuclear physics
J. Carlson, S. Gandolfi, F. Pederiva +4
Quantum Monte Carlo methods have proved very valuable to study the structure and reactions of light nuclei and nucleonic matter starting from realistic nuclear interactions and cur…
From hypernuclei to the Inner Core of Neutron Stars: A Quantum Monte Carlo Study
Diego Lonardoni, Francesco Pederiva, Stefano Gandolfi
Auxiliary Field Diffusion Monte Carlo (AFDMC) calculations have been employed to revise the interaction between -hyperons and nucleons in hypernuclei. The scheme used to describ…
Hyperon Puzzle: Hints from Quantum Monte Carlo Calculations
Diego Lonardoni, Alessandro Lovato, Stefano Gandolfi +1
The onset of hyperons in the core of neutron stars and the consequent softening of the equation of state have been questioned for a long time. Controversial theoretical predictions…
Constraining the nuclear energy density functional with quantum Monte Carlo calculations
Alessandro Roggero, Abhishek Mukherjee, Francesco Pederiva
We study the problem of an impurity in fully polarized (spin-up) low density neutron matter with the help of an accurate quantum Monte Carlo method in conjunction with a realistic…
On the Sign Problem of the Fermionic Shadow Wave Function
Francesco Calcavecchia, Francesco Pederiva, Malvin H. Kalos +1
We present a whole series of novel methods to alleviate the sign problem of the Fermionic Shadow Wave Function in the context of Variational Monte Carlo. The effectiveness of our n…
Quantum Monte Carlo calculations of neutron matter with non-local chiral interactions
Alessandro Roggero, Abhishek Mukherjee, Francesco Pederiva
We present fully non-perturbative quantum Monte Carlo calculations with non-local chiral effective field theory (EFT) interactions for the ground state properties of neutron matter…