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SUMMARY:Testing f(R) cosmologies with atoms
DTSTART;VALUE=DATE-TIME:20070427T100000Z
DTEND;VALUE=DATE-TIME:20070427T110000Z
DTSTAMP;VALUE=DATE-TIME:20261112T110502Z
UID:indico-event-1564@indico.ific.uv.es
DESCRIPTION:We study the effects that the gravitational interaction of f(R
 ) theories of gravity in Palatini formalism has on the stationary states o
 f the Hydrogen atom. We show that the role of gravity in this system is ve
 ry important for lagrangians f(R) with terms that grow at low curvatures\,
  which have been proposed to explain the accelerated expansion rate of the
  universe. In fact\, new gravitationally induced terms in the Hamiltonian 
 generate a number of instabilities that are incompatible with the very exi
 stence of bound states. The universe that we observe is\, therefore\, inco
 mpatible with that kind of gravitational interaction. For lagrangians with
  corrections at high curvatures\, the well-known stationary solutions are 
 estable though other problems may arise at the quantum level.\n\nhttps://i
 ndico.ific.uv.es/event/1564/
LOCATION:Dpto. de Física Teórica (UVEG) Sala Seminarios
URL:https://indico.ific.uv.es/event/1564/
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