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SUMMARY:Extending nuclear energy-density functionals across scales: heavy-
 ion collisions and compact stars
DTSTART;VALUE=DATE-TIME:20260820T013000Z
DTEND;VALUE=DATE-TIME:20260820T030000Z
DTSTAMP;VALUE=DATE-TIME:20260828T191900Z
UID:indico-event-5234@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Stefano Burrello (Laboratori Nazionali del Sud\, Ita
 lian National Institute for Nuclear Physics)\n\nAbstract:Nuclear energy-de
 nsity functionals provide a versatile framework for describing nuclear sys
 tems\, from finite nuclei to compact stars. However\, conventional mean-fi
 eld functionals face important limitations when applied outside the vicini
 ty of nuclear saturation density. In dilute matter\, many-body correlation
 s lead to the formation of light clusters whose properties are modified by
  the surrounding medium\, alongside heavier fragments emerging from mean-f
 ield instabilities. At the same time\, a reliable description of the neutr
 on-rich matter encountered in astrophysical environments requires consiste
 ncy with microscopic ab initio calculations of neutron matter.In this semi
 nar\, I will discuss recent developments aimed at extending nuclear densit
 y-functional approaches along these complementary directions. First\, I wi
 ll focus on the inclusion of light clusters as explicit degrees of freedom
 \, addressing their in-medium dissolution through Pauli blocking and the M
 ott effect\, as well as their impact on mechanical (spinodal) instabilitie
 s and fragmentation processes in intermediate-energy heavy-ion collisions.
  I will then discuss the role of light clusters also in warm stellar matte
 r\, focusing on their interplay with strong magnetic fields and providing 
 a natural bridge between the physics of dilute nuclear systems and the the
 rmodynamic conditions encountered in proto-neutron stars and neutron-star 
 merger remnants.Finally\, within a flexible phenomenological description o
 f the nuclear equation of state (EOS) based on a unified meta-modeling fra
 mework\, I will discuss how microscopic constraints from low-density neutr
 on-matter calculations affect selected properties of neutron-star crusts\,
  as assessed through Bayesian inference.These developments contribute to t
 he construction of versatile nuclear density-functional approaches capable
  of providing a general-purpose EOS constrained by both terrestrial nuclea
 r experiments and astrophysical observations.Biography:Stefano Burrello is
  a permanent researcher at the Laboratori Nazionali del Sud of the Italian
  National Institute for Nuclear Physics (INFN) in Catania\, Italy. He rece
 ived his Ph.D. in Physics from the University of Catania in 2017. He subse
 quently held postdoctoral positions at IJCLab in Orsay\, France\, and at t
 he Institute for Nuclear Physics of Technische Universität Darmstadt\, Ge
 rmany\, where he was awarded an Alexander von Humboldt Research Fellowship
 . In 2022\, he joined INFN as a permanent researcher. He has authored or c
 o-authored more than 60 scientific publications in international journals.
 His research aims at developing unified and microscopically grounded descr
 iptions of nuclear systems across terrestrial and astrophysical scales. A 
 central theme of his work is the nuclear equation of state and the way in 
 which nuclear interactions and many-body correlations shape matter under d
 ifferent conditions of density\, temperature\, and isospin asymmetry. By c
 ombining nuclear energy-density functionals with transport and many-body a
 pproaches\, he investigates phenomena ranging from collective dynamics and
  cluster formation in heavy-ion collisions to the properties of neutron-ri
 ch matter and compact stars.Host: Prof. Liewen ChenAlternative online link
 : https://meeting.tencent.com/dm/YpcODCDwYbiHID: 422659849   Password: 12
 3456\n\nhttps://indico-tdli.sjtu.edu.cn/event/5234/
LOCATION:5#/6th-603 - Meeting Room 603 (Science Building)
URL:https://indico-tdli.sjtu.edu.cn/event/5234/
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