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Recent progresses on the pseudospin symmetry in single particle resonant states
Lu, BN; Zhao, EG; Zhou, SG
2014
Conference Name20th International School on Nuclear Physics, Neutron Physics and Applications
Source PublicationXX INTERNATIONAL SCHOOL ON NUCLEAR PHYSICS, NEUTRON PHYSICS AND APPLICATIONS (VARNA2013)
Volume533
Pages12021
Conference DateSEP 16-22, 2013
Conference PlaceVarna, BULGARIA
Publication PlaceBRISTOL
ISSN1742-6588
PublisherIOP PUBLISHING LTD
AbstractThe pseudospin symmetry (PSS) is a relativistic dynamical symmetry directly connected with the small component of the nucleon Dirac wave function. Much effort has been made to study this symmetry in bound states. Recently, a rigorous justification of the PSS in single particle resonant states was achieved by examining the asymptotic behaviors of the radial Dirac wave functions: The PSS in single particle resonant states in nuclei is conserved exactly when the attractive scalar and repulsive vector potentials have the same magnitude but opposite sign. Several issues related to the exact conservation and breaking mechanism of the PSS in single particle resonances were investigated by employing spherical square well potentials in which the PSS breaking part can be well isolated in the Jost function. A threshold effect in the energy splitting and an anomaly in the width splitting of pseudospin partners were found when the depth of the square well potential varies from zero to a finite value.
KeywordSPIN SYMMETRY PSEUDO-SU(3) EXPLORATION ISOTOPES
DOI10.1088/1742-6596/533/1/012021
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23596
CollectionSCI会议论文
Affiliation1.[Lu, Bing-Nan
2.Zhao, En-Guang
3.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Lu, BN,Zhao, EG,Zhou, SG. Recent progresses on the pseudospin symmetry in single particle resonant states[C]. BRISTOL:IOP PUBLISHING LTD,2014:12021.
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