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SUMMARY:Generalized slow-roll approach for Horndeski theory
DTSTART;VALUE=DATE-TIME:20170509T100000Z
DTEND;VALUE=DATE-TIME:20170509T110000Z
DTSTAMP;VALUE=DATE-TIME:20260613T162152Z
UID:indico-event-2968@indico.ific.uv.es
DESCRIPTION:\n    The standard realization of inflation is that of a canon
 ical single field slowly rolling down a sufficiently flat potential. In th
 is convention\, one usually computes the power spectra in terms of a stand
 ard hierarchy of the slow-roll parameters\, related to the inflaton potent
 ial\, which are required to be small and constant. However\, there exist w
 ell-motivated models\, whose inflationary potential exhibits features\, wh
 ere this hierarchy is broken. The Generalized Slow-Roll (GSR) approach pro
 vides an efficient tool to overcome the problems of the standard slow-roll
  procedure for sharp features in the potential. Furthermore\, models with 
 noncanonical terms in the Lagrangian arise naturally in other contexts\, a
 s in particle physics\, and satisfy observations as well. Horndeski theory
  (and its extensions) is the most general scalar-tensor theory with second
 -order equations of motion. It covers canonical inflation as well as sever
 al noncanonical models proposed in the literature. In this talk I will pre
 sent the recent and ongoing developments made on GSR and\, in particular\,
  on its application to Horndeski inflation.\n\nhttps://indico.ific.uv.es/e
 vent/2968/
LOCATION:IFIC Seminar Room\, 1.1.1
URL:https://indico.ific.uv.es/event/2968/
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