6533b825fe1ef96bd1282911

RESEARCH PRODUCT

Nonlocal energy density functionals for pairing and beyond-mean-field calculations

Jacek DobaczewskiMarkus KortelainenMarkus KortelainenP. DobaczewskiF. RaimondiF. RaimondiK. BennaceurK. BennaceurK. BennaceurAndrea IdiniAndrea Idini

subject

Nuclear and High Energy PhysicsNuclear Theory[PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]regularized pseudopotentialsFOS: Physical sciences114 Physical sciences01 natural sciences7. Clean energyenergy density functionalsPseudopotentialNuclear Theory (nucl-th)Effective mass (solid-state physics)0103 physical sciencesEQUATIONStatistical physics010306 general physicsPhysicsNUCLEIEnergy density functional010308 nuclear & particles physicsMean field theoryPairingEnergy densitynuclear pairingGravitational singularityFORCES

description

We propose to use two-body regularized finite-range pseudopotential to generate nuclear energy density functional (EDF) in both particle-hole and particle-particle channels, which makes it free from self-interaction and self-pairing, and also free from singularities when used beyond mean field. We derive a sequence of pseudopotentials regularized up to next-to-leading order (NLO) and next-to-next-to-leading order (N2LO), which fairly well describe infinite-nuclear-matter properties and finite open-shell paired and/or deformed nuclei. Since pure two-body pseudopotentials cannot generate sufficiently large effective mass, the obtained solutions constitute a preliminary step towards future implementations, which will include, e.g., EDF terms generated by three-body pseudopotentials.

https://dx.doi.org/10.48550/arxiv.1611.09311