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A natural EDF Ansatz for
homogeneous nuclear matter:
The shortest path to nuclei
Panagiota Papakonstantinou
Rare Isotope Science Project – IBS Daejeon, S.Korea
A nuclear energy-density
functional inspired by an
effective field theory
Panagiota Papakonstantinou
Rare Isotope Science Project – IBS Daejeon, S.Korea
An ab initio energy density
functional (?)
Panagiota Papakonstantinou
Rare Isotope Science Project – IBS Daejeon, S.Korea
A triangle of interests
Giant and Pygmy
Resonances; stable
and exotic nuclei
EoS / NM
properties
... and processes of
astrophysical interest ...
Underlying
forces, EDF
Hamiltonian+QMBT
ab initio
4
EDF
A triangle of interests
Giant and Pygmy
Resonances; stable
and exotic nuclei
EoS / NM
properties
... and processes of
astrophysical interest ...
Underlying
forces, EDF
Hamiltonian+QMBT
ab initio
EDF
blind and precision-oriented fitting risks
overtraining and loss of predictive power
Four-nucleon forces are
not very practical...
Nuclei vs nuclear matter – cf Dutra et al., 2012
5
People
v Chang Ho Hyun, Daegu University
v Tae-Sun Park, Sungkyunkwan University
v Yeunhwan Lim, IBS (now in Texas)
ilho Ahn, University of Athens, Greece
People
v Chang Ho Hyun, Daegu University
v Tae-Sun Park, Sungkyunkwan University
v Yeunhwan Lim, IBS (now in Texas)
n
n
n
n
Korea
IBS (that’s me and YHL)
Daegu
Sungkyunkwan
People
v Chang Ho Hyun, Daegu University
v Tae-Sun Park, Sungkyunkwan University
v Yeunhwan Lim, IBS (now in Texas)
n
n
n
n
Korea
IBS (that’s me and YHL)
Daegu
Sungkyunkwan
v Hana Gil, Kyungpook National University
v Yongseok Oh, Kyungpook National University
v Gilho Ahn, University of Athens, Greece
Overview
v About those density-dependent “interactions”
v Motivation for the KIDS Ansatz
n
n
A textbook example
EFT of dilute matter
v Fitting in homogeneous matter
n
n
n
APR pseudodata
Hierarchy of terms?
Naturalness
v Mapping onto a Skyrme functional and applications in
nuclei
n
With no refitting
v Many prospects and open questions èOvertime
9
PPapakon.pdf (PDF, 2.78 MB)
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