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New-generation functionals. Jacek Dobaczewski University of Warsaw & University of Jyväskylä. In collaboration with : Gillis Carlsson, Markus Kortelainen, Jussi Toivanen, and Marcin Borucki, Alessandro Pastore, Francesco Raimondi, Pekka Toivanen,
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New-generation functionals Jacek Dobaczewski University of Warsaw & University of Jyväskylä In collaboration with: Gillis Carlsson, Markus Kortelainen, Jussi Toivanen, and Marcin Borucki, Alessandro Pastore, Francesco Raimondi, Pekka Toivanen, and Kazuhito Mizuyama, Rayner Rodriguez-Guzman UNEDF Annual Workshop, Pack Forest (WA) June 22-25, 2009
How to extend the nuclear energy density functional beyond the current standard form? Quest for the spectroscopic-quality functional • Density dependence of all the coupling constants • Derivatives of higher order up to N3LO: • Products of more than two densities, for example:
= Fits of s.p. energies EXP: M.N. Schwierz, I. Wiedenhover, and A. Volya, arXiv:0709.3525 Singular value decomposition M. Kortelainenet al., Phys. Rev. C77, 064307 (2008)
Fits of single-particle energies Before After M. Kortelainenet al., Phys. Rev. C77, 064307 (2008)
Fit residuals for centroids of SO partners (SkP) Before After n L n L Before After M. Kortelainenet al., to be published
Fit residuals for splittings of SO partners (SkP) Before After n L n L Before After M. Kortelainenet al., to be published
How to extend the nuclear energy density functional beyond the current standard form? Quest for the spectroscopic-quality functional • Density dependence of all the coupling constants • Derivatives of higher order up to N3LO: • Products of more than two densities, for example:
I. Density dependence of all the coupling constants M. Kortelainenet al., to be published
Fit to single-particle energies SLy5 RMS deviation (MeV) PRELIMINARY M. Kortelainenet al., to be published Number of parameters
RMS deviation of single-particle energies (MeV) M. Kortelainenet al., to be published
PRELIMINARY Stability of the Hartree-Fock solutions K. Mizuyamaet al., to be published
How to extend the nuclear energy density functional beyond the current standard form? Quest for the spectroscopic-quality functional • Density dependence of all the coupling constants • Derivatives of higher order up to N3LO: • Products of more than two densities, for example:
Energy density functional up to N3LO B.G. Carlssonet al., C 78, 044326 (2008)
Energy density functional for spherical nuclei (I) B.G. Carlssonet al., C 78, 044326 (2008)
EXP-1: M.N. Schwierz, I. Wiedenhover, and A. Volya, arXiv:0709.3525 EXP-2: M.G. Porquet et al., to be published B.G. Carlssonet al., to be published • NM: • Nuclear-matter • constraints on: • saturation density • energy per particle • incompressibility • effective mass
Galilean invariance EXP-1: M.N. Schwierz, I. Wiedenhover, and A. Volya, arXiv:0709.3525 EXP-2: M.G. Porquet et al., to be published B.G. Carlssonet al., to be published • NM: • Nuclear-matter • constraints on: • saturation density • energy per particle • incompressibility • effective mass
Galilean invariance EXP-1: M.N. Schwierz, I. Wiedenhover, and A. Volya, arXiv:0709.3525 EXP-2: M.G. Porquet et al., to be published B.G. Carlssonet al., to be published • NM: • Nuclear-matter • constraints on: • saturation density • energy per particle • incompressibility • effective mass
Fast RPA and QRPA + Lanczos method http://www.jyu.fi/static/fysiikka/saariselka09/ presentations/Toivanen.pdf
II. Derivatives of higher order up to N3LO B.G. Carlssonet al., C 78, 044326 (2008)
Numbers of terms in the density functional up to N3LO B.G. Carlssonet al., C 78, 044326 (2008) Eq. (28) ≡ density dependent CC Eq. (30) ≡ density independent CC
Energy density functional for spherical nuclei (II) B.G. Carlssonet al., Phys. Rev. C 78, 044326 (2008)