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A quartet BCS-like theory

V. Baran, D. S. Delion

2020Physics Letters B20 citationsDOIOpen Access PDF

Abstract

We present the idea of using a BCS-like four-body coherent state to describe the quartet correlations induced by the pairing interaction in nuclear systems. We detail the many-body formalism necessary to bring the nontrivial quarteting ansatz into a computationally tractable form. We discuss the particularities of our approach in the case of a schematic isovector pairing model.

Topics & Concepts

PairingIsovectorSchematicFormalism (music)AnsatzTheoretical physicsPhysicsStatistical physicsQuantum mechanicsParticle physicsNucleonSuperconductivityEngineeringArtElectronic engineeringVisual artsMusicalCold Atom Physics and Bose-Einstein CondensatesQuantum Chromodynamics and Particle InteractionsQuantum, superfluid, helium dynamics
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