Bunch-Davies vacuum
= Bunch-Davies vacuum
{c}
{wiki=Bunch–Davies_vacuum}
The Bunch-Davies vacuum selects the mode that approaches the positive-frequency ground-state mode of angular frequency $ck$ in the far past $\tau\to-\infty$.
= Bunch-Davies vacuum
{c}
{wiki=Bunch–Davies_vacuum}
The Bunch-Davies vacuum selects the mode that approaches the positive-frequency ground-state mode of angular frequency $ck$ in the far past $\tau\to-\infty$.