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SUMMARY:Effects of exchange terms in relativistic HF and RPA approaches
DTSTART;VALUE=DATE-TIME:20080220T110000Z
DTEND;VALUE=DATE-TIME:20080220T120000Z
DTSTAMP;VALUE=DATE-TIME:20261112T035235Z
UID:indico-event-1612@indico.ific.uv.es
DESCRIPTION:The relativistic mean field (RMF) theory is quite popular and 
 successful in nuclear structure studies. The nucleon-nucleon in-medium int
 eractions are mediated by effective mesons. The RMF approach amounts to a 
 Hartree approximation where direct (Hartree) interactions create the mean 
 field whereas exchange (Fock) interactions are omitted and simulated by a 
 renormalization of the meson-nucleon couplings. However\, this approach ha
 s its limitations: effects related to interaction components such as the p
 ion-nucleon pseudo-vector coupling\, or rho-nucleon tensor coupling\, cann
 ot be described by the RMF approach. These effects can be seen for example
  in the evolution of single-particle energies along an isotopic or isotoni
 c chain\, the shell modifications\, or in spin-isospin (Gamow-Teller\, spi
 n dipole) excitation modes. In this talk\, we will present recent results 
 obtained in relativistic Hartree-Fock and Random Phase Approximation.\n\nh
 ttps://indico.ific.uv.es/event/1612/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1612/
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