Density-dependent nucleon-nucleon interaction from three-nucleon forces

Abstract

Microscopic calculations based on realistic nuclear hamiltonians, while yielding accurate results for the energies of the ground and low-lying excited states of nuclei with $A\le 12$, fail to reproduce the empirical equilibrium properties of nuclear matter, that are known to be significantly affected by three-nucleon forces. We discuss a scheme suitable to construct a density-dependent two-nucleon potential, in which the effects of $n$-particle interactions can be included by integrating out the degrees of freedom of $(n-2)$-nucleons. Our approach, based on the formalism of correlated basis function and state-of-the-art models of the two- and three-nucleon potentials, leads to an effective interactionthat can be easily employed in nuclear matter calculations, yielding results in good agreement with those obtained from the underlying three-body potential.

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• Symmetric nuclear matter with chiral three-nucleon forces in the self-consistent Green's functions approach
• Correlated density-dependent chiral forces for infinite matter calculations within the Green's function approach
• Critical Density and Impact of $\Delta (1232)$ Resonance Formation in Neutron Stars
• Comparative study of neutron and nuclear matter with simplified Argonne nucleon-nucleon potentials
• Variational calculation of the ground state of closed-shell nuclei up to $A=40$
• Benchmark calculations of pure neutron matter with realistic nucleon-nucleon interactions
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• Finite-temperature extension for cold neutron star equations of state
• Symmetry energy of cold nucleonic matter within a relativistic mean field model encapsulating effects of high momentum nucleons induced by short-range correlations
• Coupled-cluster studies of infinite nuclear matter
• From the lightest nuclei to the equation of state of asymmetric nuclear matter with realistic nuclear interactions
• Effects of short-range correlation reduced kinetic symmetry energy in heavy-ion collisions at intermediate energies
• High momentum components in the nuclear symmetry energy
• Nuclear pairing from microscopic forces: singlet channels and higher-partial waves
• Comparative study of three-nucleon potentials in nuclear matter
• The isospin quartic term in the kinetic energy of neutron-rich nucleonic matter
• The interplay of short-range correlations and nuclear symmetry energy in hard photon productions from heavy-ion reactions at Fermi energies
• Revisit of the neutron/proton ratio puzzle in intermediate-energy heavy-ion collisions
• Weak response of cold symmetric nuclear matter at three-body cluster level
• Ferromagnetic transition of a two-component Fermi gas of Hard Spheres
• Hybrid star structure with the Field Correlator Method
• Short range correlations in the extended quantum molecular dynamics model
• Superfluid Gap in Neutron Matter from a Microscopic Effective Interaction
• Variational calculation of nuclear matter in finite particle number approach using unitary correlation operator and high-momentum pair methods
• Investigating Effects of Relativistic Kinematics, Dimensionality, Interactions, and Short-Range Correlations on the Ratio of Quartic over Quadratic Nuclear Symmetry Energies
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• Recent progress on the accurate determination of the equation of state of neutron and nuclear matter
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• Finite particle number description of neutron matter using the unitary correlation operator and high-momentum pair methods
• Proton-proton momentum correlation function as a probe of the high momentum tail of the nucleon momentum distribution
• Modeling Neutron Star Matter in the Age of Multimessenger Astrophysics
• Nucleon Short-Range Correlations and High-Momentum Dynamics: Implications on the Equation of State of Dense Matter
• Origins and Impacts of High-Density Symmetry Energy
• Effects of Neutron-Proton Short-Range Correlation on the Equation of State of Dense Neutron-Rich Nucleonic Matter
• Finite particle-number description of symmetric nuclear matter with spin excitations of high-momentum pairs induced by tensor force
• Nuclear Pairing from Chiral Pion-Nucleon Dynamics: Applications to Finite Nuclei
• Neutron Star Equation of State with Nucleon Short-Range Correlations: A Concise Review and Open Issues