Theory Colloquium

Conjectures on the Swampland

by Dr Eran Palti (MPI)

4-3-006 - TH Conference Room (CERN)

4-3-006 - TH Conference Room


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The string theory Swampland programme aims at distinguishing quantum field
theories which can be completed into quantum gravity in the ultraviolet
from those which cannot. I will outline relations between different
conjectural properties of the Swampland, showing how a coherent picture is
emerging, and discuss a proposal for the microscopic physics underlying
the conjectures. I will then focus on the Swampland de Sitter conjecture
which proposes that there are no de Sitter vacua in string theory,
implying that dark energy cannot be a cosmological constant. In
particular, I will show how it can be related to the other conjectures.

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