学科分类
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2 个结果
  • 简介:WeassumegeneralizedghostPilgrimdarkenergy(GGPDE)modelinthepresenceofcolddarkmatterinflatFRWuniverse.WithsuitablechoiceofinteractiontermbetweenGGPDEandcolddarkmatter,weinvestigatethenatureofequationofstateparameterforGGPDE.Also,weinvestigatethenaturesofdynamicalscalarfieldmodels(suchasquintessence,tachyon,k-essence,anddilatondarkenergy)andconcernedpotentialsthroughthecorrespondencephenomenonbetweenGGPDEandthesemodels.

  • 标签: GENERALIZED GHOST PILGRIM DARK energy SCALAR
  • 简介:Inthiswork,webrieflydiscussanovelclassofmodifiedgravitylikef(T,TG)gravity.Inthisbackground,weassumethenewagegraphicversionofpilgrimdarkenergyandreconstructf(T,TG)modelsfortwospecificvaluesofs.Wealsodiscusstheequationofstateparameter,squaredspeedofsoundandwDE-wDEplaneforthesereconstructedf(T,TG)models.Theequationofstateparameterprovidesphantom-likebehavioroftheuniverse.ThewDE-wDEplanealsocorrespondstoΛCDMlimit,thawingandfreezingregionsforbothmodels.

  • 标签: f(T TG) GRAVITY PILGRIM DE models