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SUMMARY:Nicklas Ramberg (SISSA): Microscopic Dynamics of Confining Bubbles
  at Large N_c: A Holographic Perspective
DTSTART:20260402T111500Z
DTEND:20260402T123000Z
DTSTAMP:20260406T042100Z
UID:indico-event-9338@indico.fysik.su.se
DESCRIPTION:Title: "Microscopic Dynamics of Confining Bubbles at Large N_c
  : A Holographic Perspective"\nAbstract: "Gravitational waves probe hidden
  sectors through gravity’s universal coupling to energy\, with first-ord
 er phase transitions in the early Universe or in compact astrophysical obj
 ects producing potentially observable signals. In this talk\, I will discu
 ss the confinement phase transition in pure SU(Nc​) Yang–Mills theory 
 at large Nc​\, studied within the framework of Improved Holographic QCD.
 \nWe construct a microscopic effective action for the confinement order pa
 rameter\, incorporating both potential and kinetic contributions\, and per
 form an ab initio calculation of confining bubble nucleation at large Nc
 ​. This enables a dynamical determination of the surface tension and a d
 irect comparison with lattice QCD results\, providing a rare quantitative 
 bridge between holography\, nucleation theory\, and lattice gauge theory. 
 We further analyze the bubble profile configurations across the entire met
 astable branch\, and conclude by connecting these results to the predicted
  gravitational-wave signals from this class of theories\, commenting on th
 eir relevance for ongoing research efforts."\nPlace: CoPS room/A5:1041 and
  Zoom\n\nhttps://indico.fysik.su.se/event/9338/
LOCATION:AlbaNova A5:1041 - CoPS grupprum (AlbaNova Main Building)
URL:https://indico.fysik.su.se/event/9338/
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