= Andrei Linde
{c}
{tag=Physicist}
{wiki}
<Andrei Linde> develops models of <cosmic inflation> and the transition to the subsequent hot cosmic state. His work with <Lev Kofman> and <Alexei Starobinsky> explained how coherent <inflaton> oscillations can transfer <energy> through <parametric resonance>.
In an expanding background the amplification need not follow the simple periodic pattern of a fixed-frequency oscillator. Their study treated successive production events, backreaction and rescattering, establishing when efficient <preheating> occurs within the model. Producing particles and reaching <thermal equilibrium> remain distinct stages.<Towards the Theory of Reheating After Inflation by Lev Kofman and others>[Abstract and introduction: expanding-background resonance and stages of preheating]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Andrei%20Linde%202018.jpg?width=250]
{title=Portrait of <Andrei Linde>}
{description=Hypermultiplet; own-work portrait taken 11 July 2018. https://creativecommons.org/licenses/by-sa/4.0/[CC BY-SA 4.0], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Andrei_Linde_2018.jpg}
{width=250}
Back to article page
