Effects of angular correlations on particle-particle propagation in infinite nuclear matter
The effect of angular correlations on self-consistent solutions for single-particle (sp) potentials in infinite nuclear matter is investigated. To this end we treat explicitly the angular dependence of the particle-particle (pp) propagator in Brueckner-Hartree-Fock (BHF) equation for the g matrix. I...
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| Veröffentlicht in: | Journal of physics. Conference series 2016-05, Vol.720 (1), p.12022 |
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| description | The effect of angular correlations on self-consistent solutions for single-particle (sp) potentials in infinite nuclear matter is investigated. To this end we treat explicitly the angular dependence of the particle-particle (pp) propagator in Brueckner-Hartree-Fock (BHF) equation for the g matrix. It is observed that the exact angular dependence of the pp propagator yields highly fluctuating structures, posing stringent difficulties in the actual search of self-consistent solutions for the sp energy. A perturbative approach is presented to evaluate the effect of the angular correlations in the self-consistent solutions. Solutions at Fermi momenta kF in the range 1.20 - 1.75 fm-1 are reported using Argonne v18 nucleon- nucleon potential. Although the sp potentials are sensitive to the treatment of the angular behaviour of the propagator, such sensitivity appears at momenta well above the Fermi surface. As a result, the saturation properties of symmetric nuclear matter differ marginally from those calculated using angle-averaged energy denominators in pp propagators. |
| doi_str_mv | 10.1088/1742-6596/720/1/012022 |
| format | Article |
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To this end we treat explicitly the angular dependence of the particle-particle (pp) propagator in Brueckner-Hartree-Fock (BHF) equation for the g matrix. It is observed that the exact angular dependence of the pp propagator yields highly fluctuating structures, posing stringent difficulties in the actual search of self-consistent solutions for the sp energy. A perturbative approach is presented to evaluate the effect of the angular correlations in the self-consistent solutions. Solutions at Fermi momenta kF in the range 1.20 - 1.75 fm-1 are reported using Argonne v18 nucleon- nucleon potential. Although the sp potentials are sensitive to the treatment of the angular behaviour of the propagator, such sensitivity appears at momenta well above the Fermi surface. As a result, the saturation properties of symmetric nuclear matter differ marginally from those calculated using angle-averaged energy denominators in pp propagators.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/720/1/012022</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Correlation ; Fermi surfaces ; Nuclear matter ; Nucleon potential ; Physics</subject><ispartof>Journal of physics. Conference series, 2016-05, Vol.720 (1), p.12022</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2016. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Phys.: Conf. Ser</addtitle><description>The effect of angular correlations on self-consistent solutions for single-particle (sp) potentials in infinite nuclear matter is investigated. To this end we treat explicitly the angular dependence of the particle-particle (pp) propagator in Brueckner-Hartree-Fock (BHF) equation for the g matrix. It is observed that the exact angular dependence of the pp propagator yields highly fluctuating structures, posing stringent difficulties in the actual search of self-consistent solutions for the sp energy. A perturbative approach is presented to evaluate the effect of the angular correlations in the self-consistent solutions. Solutions at Fermi momenta kF in the range 1.20 - 1.75 fm-1 are reported using Argonne v18 nucleon- nucleon potential. Although the sp potentials are sensitive to the treatment of the angular behaviour of the propagator, such sensitivity appears at momenta well above the Fermi surface. As a result, the saturation properties of symmetric nuclear matter differ marginally from those calculated using angle-averaged energy denominators in pp propagators.</description><subject>Correlation</subject><subject>Fermi surfaces</subject><subject>Nuclear matter</subject><subject>Nucleon potential</subject><subject>Physics</subject><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkEtLxDAQx4MouK5-BQl48lCbR5O0R1nWFwsK6slDyOaxZOm2NU0PfntT6wNBMAxkmPnNf4Y_AKcYXWBUljkWBck4q3guCMpxjjBBhOyB2Xdj_zsvy0Nw1PdbhGh6YgZels5ZHXvYOqiazVCrAHUbgq1V9G2T6g3sVIhe1zb7SmAX2k5tPgjox3C-8dHCZkjdpLBTMdpwDA6cqnt78vnPwfPV8mlxk63ur28Xl6tMU8ZiZjgVGjm7NqgwVCPOtCa0rLjhaq04cqyi1ibWVkIg4RzjxdqZknCHDCsUnYOzSTed9TrYPsptO4QmrZSECYYpJoIlik-UDm3fB-tkF_xOhTeJkRyNlKNHcvRLJiMllpORafB8GvRt96N897B4_MXJzrjEkj_Yfxa8A0Xeg7c</recordid><startdate>20160501</startdate><enddate>20160501</enddate><creator>Romero-Barrientos, J</creator><creator>Arellano, H F</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20160501</creationdate><title>Effects of angular correlations on particle-particle propagation in infinite nuclear matter</title><author>Romero-Barrientos, J ; Arellano, H F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-d637c0febd04d3c065cc23896d6aba60f593eec35e97707ff564bfd826f0d54a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Correlation</topic><topic>Fermi surfaces</topic><topic>Nuclear matter</topic><topic>Nucleon potential</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Romero-Barrientos, J</creatorcontrib><creatorcontrib>Arellano, H F</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Journal of physics. 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| subjects | Correlation Fermi surfaces Nuclear matter Nucleon potential Physics |
| title | Effects of angular correlations on particle-particle propagation in infinite nuclear matter |
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