Superfluidity in nuclear systems and neutron stars

A Sedrakian, JW Clark - The European Physical Journal A, 2019 - Springer
Nuclear matter and finite nuclei exhibit the property of superfluidity by forming Cooper pairs.
We review the microscopic theories and methods that are being employed to understand the …

Hyperon–nucleon interaction within chiral effective field theory revisited

J Haidenbauer, UG Meißner, A Nogga - The European Physical Journal A, 2020 - Springer
Abstract The\varLambda N Λ N and\varSigma N Σ N interactions are considered at next-to-
leading order in SU (3) chiral effective field theory. Different options for the low-energy …

Neutron matter from chiral two- and three-nucleon calculations up to

C Drischler, A Carbone, K Hebeler, A Schwenk - Physical Review C, 2016 - APS
Neutron matter is an ideal laboratory for nuclear interactions derived from chiral effective
field theory since all contributions are predicted up to next-to-next-to-next-to-leading order …

Quantum Monte Carlo methods for astrophysical applications

I Tews - Frontiers in Physics, 2020 - frontiersin.org
In recent years, new astrophysical observations have provided a wealth of exciting input for
nuclear physics. For example, the observations of two-solar-mass neutron stars put strong …

In-medium properties of a N interaction derived from chiral effective field theory

J Haidenbauer, UG Meißner - The European Physical Journal A, 2019 - Springer
The in-medium properties of a ΞN Ξ N potential derived within chiral effective field theory up
to next-to-leading order are investigated. The considered ΞN Ξ N interaction includes the …

Lambda-nuclear interactions and hyperon puzzle in neutron stars

J Haidenbauer, UG Meißner, N Kaiser… - The European Physical …, 2017 - Springer
Brueckner theory is used to investigate the in-medium properties of a Λ Λ-hyperon in nuclear
and neutron matter, based on hyperon-nucleon interactions derived within SU (3) chiral …

On the separability of microscopic optical model potentials and emerging bell-shape Perey–Buck nonlocality

HF Arellano, G Blanchon - The European Physical Journal A, 2022 - Springer
After nearly sixty years since its introduction, the phenomenological bell-shape Perey–Buck
spatial nonlocality in the optical model potential for nucleon–nucleus scattering has …

Nonperturbative extraction of the effective mass in neutron matter

M Buraczynski, N Ismail, A Gezerlis - Physical Review Letters, 2019 - APS
We carry out nonperturbative calculations of the single-particle excitation spectrum in
strongly interacting neutron matter. These are microscopic quantum Monte Carlo …

[HTML][HTML] Polaronic proton and diproton clustering in neutron-rich matter

H Tajima, H Moriya, W Horiuchi, E Nakano, K Iida - Physics Letters B, 2024 - Elsevier
We show that the strong spin-triplet neutron-proton interaction causes polaronic protons to
occur in neutron matter at subnuclear densities and nonzero temperatures. As the neutron …

[HTML][HTML] Satisfying the compressibility sum rule in neutron matter

M Buraczynski, S Martinello, A Gezerlis - Physics Letters B, 2021 - Elsevier
The static-response function of strongly interacting neutron matter contains crucial
information on this interacting many-particle system, going beyond ground-state properties …