Centre for Theoretical Physics Jamia Millia University New Delhi：QUINTESSENTIAL INFLATION（Unification of inflation and late time acceleration）

Quintessential inflation Model of reincarnation 1/26/2021 BRICS 2017

1/26/2021 BRICS_2017 Quintessential inflation Model of reincarnation

Tracker og(p) V NpAo/M 入2>3(1+0b) 3(1+b) Present epoch log(a) 1/26/2021 BRICS 2017

1/26/2021 BRICS_2017 Tracker

Absence of trackers: Thawing Models logp Phantom, Tachyon Quintessence Present epoch P4 loga 1/26/2021 BRICS 2017

1/26/2021 BRICS_2017 Absence of trackers: Thawing Models Phantom, Tachyon, Quintessence

Quintessential inflation Brane Damping VO V=Vo(coshao/Mp-1)P;p>0 1/26/2021 BRICS 2017

1/26/2021 BRICS_2017 Quintessential inflation

Quintessential inflation eff=v(o) Q To 0e、NV T=3P eff=v(o)+ awm Q Gumjudpai et al WDE JcAP0506(2005) Q+ eff 1/26/2021 BRICS 201/

1/26/2021 BRICS_2017 Quintessential inflation Gumjudpai et al JCAP0506(2005)