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SUMMARY:Neutron Stars as Cosmic Laboratories for the Equation of State of 
 Dense Matter
DTSTART:20261109T060000Z
DTEND:20261109T073000Z
DTSTAMP:20261109T174300Z
UID:indico-event-5426@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: James Lattimer (Stony Brook University)\n\nAbstract:
 \nNeutron stars have been observed in nearly every electromagnetic-wave ba
 nd\, in neutrinos\, and in gravitational waves. This lecture explores how 
 observations constrain many aspects of neutron stars and the properties of
  matter in their interiors. Radio-timing of pulsars have allowed accuratel
 y-measured masses of dozens of neutron stars and have set a lower limit to
  the neutron star maximum mass. X-ray and gravitational-wave observations 
 have the potential for radius\, and sometimes mass\, measurements. Togethe
 r with maximum mass information\, these measurements permit inferences abo
 ut their central densities and the possible existence of quark matter. Opt
 ical observations have allowed tracking of their thermal evolution from ho
 t\, young stars to cold objects over millions of years old\, yielding deta
 ils about neutrino-cooling process and their interior composition\, includ
 ing the properties of interior high-temperature superfluids. Neutrino obse
 rvations of newly-born neutron stars also probe neutrino-matter interactio
 ns at high densities and help constrain the mechanisms underlying their pa
 rent supernovae. In parallel\, studies of nuclear structure\, such as bind
 ing energies\, dipole polarizabilities and neutron skins\, as well as heav
 y-ion collisions\, provide complementary information\, especially about th
 e nuclear symmetry energy\, that further constrain neutron star structure.
 \nSpeaker Bio:\nJames Lattimer is a Distinguished Professor of Physics & A
 stronomy at Stony Brook University. He received his PhD from the Universit
 y of Texas at Austin\, where his 1976 thesis famously proposed that r-proc
 ess elements originate from decompressing neutron star matter ejected from
  mergers—a prediction validated by GW170817. He produced the first open-
 source equations of state for supernovae and neutron star merger simulatio
 ns\, and established the clear link between neutron star radii and the nuc
 lear symmetry energy. He is a Fellow of the APS\, a member of NASA's NICER
  team\, and the recipient of the Hans A. Bethe Prize.\nAlternative online 
 link: https://meeting.tencent.com/dm/BLkh499HJhVIID: 887898987 (No Passwor
 d)\n\nhttps://indico-tdli.sjtu.edu.cn/event/5426/
LOCATION:Tsung-Dao Lee Institute/N6F-N600 - Lecture Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/5426/
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