PPapakon .pdf

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Author: PANAGIOTA PAPAKONSTANTINOU

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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 èOvertime
9


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