Chennai Mathematical Institute

Seminars




2.15 p.m.
Quantum Tunneling with the DBI Action

Saswat Sarangi
Columbia University, USA.
16-04-09


Abstract

Lately the DBI action has been put to use in various cosmological scenarios, e.g. brane inflation. We study another aspect : Coleman-De Luccia vacuum decay in brane worlds. As with other cosmological cases, we find a new effect that gives the usual CDL result a DBI correction.