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SUMMARY:On multidimensional gravity and the Casimir effect
DTSTART;VALUE=DATE-TIME:20161011T113000Z
DTEND;VALUE=DATE-TIME:20161011T114500Z
DTSTAMP;VALUE=DATE-TIME:20260720T131707Z
UID:indico-contribution-690@cern.ch
DESCRIPTION:Speakers: Sergei Bolokhov (Peoples' Friendship University of R
 ussia)\nWe study the properties of an effective potential for the scale fa
 ctor of extra dimensions\nin a Kaluza-Klein-type model with a spherical ex
 tra factor space\, including a function of the scalar curvature and other 
 quadratic curvature invariants\, taking into account the Casimir energy of
  massless scalar fields. We demonstrate the existence of a minimum of the 
 potential\, able to induce a physically reasonable value of the effective 
 cosmological constant in our space-time. Under the adopted assumptions\, i
 t is shown that the huge Casimir energy density can be compensated by the 
 fine-tuned contribution of the curvature-nonlinear terms in the original a
 ction.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/690/
LOCATION:Milan Hotel Rossini
URL:https://indico.particle.mephi.ru/event/4/contributions/690/
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