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SUMMARY:Inflation from Entropy: Inflationary Solutions in the Gravity from
  Entropy Framework
DTSTART;VALUE=DATE-TIME:20261109T030000Z
DTEND;VALUE=DATE-TIME:20261109T033000Z
DTSTAMP;VALUE=DATE-TIME:20261023T120423Z
UID:indico-contribution-2981@indico.itp.ac.cn
DESCRIPTION:Speakers: Udaykrishna Thattarampilly (Yangzhou University)\nGr
 avity from entropy proposes quantum relative entropy between the spacetime
  metric and the metric induced by geometry and matter fields as the fundam
 ental action for gravity. The resulting modified Einstein equations reduce
  to general relativity in the weak-coupling\, low-curvature limit\, while 
 departing from it at high curvature. In this talk\, I derive the Friedmann
 -equation analogues of GfE for a spatially flat FLRW universe and show tha
 t the vacuum equations admit inflationary solutions\, with no inflaton fie
 ld or added potential. This points to an entropic origin for inflation tha
 t avoids the need for a new scalar field. Assuming the standard relation b
 etween slow-roll parameters and CMB observables carries over to GfE\, the 
 theory predicts a viable primordial spectrum.\n\nhttps://indico.itp.ac.cn/
 event/417/contributions/2981/
LOCATION:
URL:https://indico.itp.ac.cn/event/417/contributions/2981/
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