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SUMMARY:Krzysztof Pomorski (UC Dublin)
DTSTART:20200804T160000Z
DTEND:20200804T170000Z
DTSTAMP:20260423T011100Z
UID:QMFNoT/12
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QMFNoT/12/">
 From superfluidity to cosmology and elementary particles (based on "The un
 iverse in helium droplet" by G. Volovik”)</a>\nby Krzysztof Pomorski (UC
  Dublin) as part of QM Foundations & Nature of Time seminar\n\n\nAbstract\
 nThere are fundamental relations between three vast areas of physics: part
 icle physics\, cosmology\, and condensed matter physics.  This book aims t
 o establish and define the connection of these two fields with condensed m
 atter physics. According to the modern view\, elementary particles (electr
 ons\, neutrinos\, quarks\, etc.) are excitations of a more fundamental med
 ium called the quantum vacuum. This is the new ‘aether’ of the 21st ce
 ntury. Electromagnetism\, gravity\, and the fields transferring weak and s
 trong interactions all represent different types of the collective motion 
 of the quantum vacuum. Among the existing condensed matter systems\, a qua
 ntum liquid called superfluid 3He-A most closely represents the quantum va
 cuum. Its quasiparticles are very similar to the elementary particles\, wh
 ile the collective modes are analogues of photons and gravitons. The 3He A
 –B interface provides an unprecedented type of superfluid boundary betwe
 en two degenerate macroscopically coherent quantum systems which display d
 ifferent broken symmetries and rich family of topological defects.\n
LOCATION:https://researchseminars.org/talk/QMFNoT/12/
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