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Density Functional Theory for Nuclei, Neutronstars, and Hypernuclei. H. Lenske Institut für Theoretische Physik, U. Giessen GSI Professor for Theoretical Nuclear Physics. Content: In-medium Baryon Interactions Nuclear Matter and Hypernuclear Matter
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Density Functional Theory for Nuclei, Neutronstars, and Hypernuclei H. Lenske Institut für Theoretische Physik, U. GiessenGSI Professor for Theoretical Nuclear Physics • Content: • In-medium Baryon Interactions • Nuclear Matter and Hypernuclear Matter • Single L Nuclei and beyond • Production and Spectroscopy of Hypernuclei • Summary and Outlook
DDRH Theory: Octet Flavour DFT by Meson Exchange • Density Functional Theory for Nucleons and Hyperons • Field Theory at the Fermi Momentum Scale • BB Interactions in Free Space by Meson Exchange • In-Medium Interactions by Dirac Brueckner Theory • Density Dependent Vertex Functionals • Covariance and Thermodynamical Consistence
DDRH Flavour Dynamics: Density Dependent Vertices: PLB345 (1995), PRC52 (1995), PRC57 (1998), PRC64 (2001), PRC66 (2002), Springer Lect. Not. (2004)
Nuclear Matter DBHF Vertices (Groningen NN-Potential) Isoscalar Vertices Isovector Vertices
Strangeness and Hypernuclear Physics: From SU(2) Isospin to SU(3) Flavour Dynamics
DDRH-Scaling of In-Medium Hyperon Interactions Naïve Quark Model Scaling: Non-strange mesons couple only to non-strange quarks gL(m)= 2/3 gN (m)
DDRH Hypermatter Equation of State Minimum at 10% L-content: B0=-18MeV at r0=0.21fm-3
DDRH Flavour Dynamics:LSingle Particle Energies Nuclear Matter SL = 28 MeV DDRH Theory: Density Dependent NN and NL Dirac-Brueckner Vertices
LS0 Mixing in Asymmetric Nuclear Matter and Exotic Nuclei SU(3) DFT Coupled Channels LS0Mixing in Matter :
Associated (p,A) Strangeness Production • elementary process for HI production HypHI Project@GSI and FAIR • pionic production in (p,K) reactions • extension to photo- and electro-production at ELSA, MAMI-C and JLAB R.Shyam, H.L., PRC 69:065205 (2004); NPA 764:313 (2006)
Coherent Strangeness Production on a Nucleus: Reaction Spectroscopy of Hypernuclear States
Summary, Conclusions and Outlook • DDRH-Theory: ab initio DFT for SU(3) Flavor Dynamics • Applications to Nuclei, Hypernuclei • L-S0 Flavor Mixing in Asymmetric Matter • Strangeness Production on the Nucleon • Coherent Production and Spectroscopy of Hypernuclei • Strangeness in Neutron Stars • Open Problem: YY Interactions • Dynamical Correlations and Hyperon Spectral Functions Contributors: P. Konrad, U. Badarch, R. Shyam, S. Bender, V. Shklyar