Primordial Gravitational Waves and the Swampland

Abstract
The swampland conjectures seek to distinguish effective field theories which can be consistently embedded in a theory of quantum gravity from those which can not (and are hence referred to as being in the swampland). We consider two such conjectures, known as the Swampland Distance and de Sitter Conjectures, showing that taken together they place bounds on the amplitude of primordial gravitational waves generated during single field slow-roll...
Paper Details
Title
Primordial Gravitational Waves and the Swampland
Published Date
Jul 17, 2018
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