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Limits from Weak Gravity Conjecture on Chaplygin-Gas-Type Models

  • Received Date: December 11, 2007
  • Published Date: March 31, 2008
  • The weak gravity conjecture is proposed as a criterion to distinguish the landscape from the swampland in string theory. As an application in cosmology of this conjecture, we use it to impose theoretical constraint on parametersof the Chaplygin-gas-type models. Our analysis indicates that the
    Chaplygin-gas-type models realized in quintessence field are in the swampland.
  • Article Text

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