We review the holographic correspondence between field theories and string/M theory,
focusing on the relation between compactifications of string/M theory on Anti-de Sitter …

Recent work is reviewed in which compactifications of string and M theory are constructed in
which all scalar fields (moduli) are massive, and supersymmetry is broken with a small …

We provide an overview of the string landscape and the Swampland program. Our review of
the string landscape covers the worldsheet and spacetime perspectives, including vacua …

A bstract Motivated by principles from the Swampland program, which characterize
requirements for a consistent UV completion of quantum gravity, combined with …

It has been notoriously difficult to construct a meta-stable de Sitter (dS) vacuum in string
theory in a controlled approximation. This suggests the possibility that meta-stable dS …

A bstract The species scale provides a lower bound on the shortest possible length that can
be probed in gravitational effective theories. It may be defined by the size of the minimal …

We review the advanced version of the KKLT construction and pure de Sitter supergravity,
involving a nilpotent multiplet, with regard to various conjectures that de Sitter state cannot …

A bstract We study systems with an Adler-Bell-Jackiw anomaly in terms of non-invertible
symmetry. We present a new kind of non-invertible charge defect where a key role is played …

Spontaneous breaking of Lorentz symmetry in string theory Page 1 PHYSICAL REVIEW D
VOLUME 39,NUMBER 2 15 JANUARY 1989 Spontaneous breaking of Lorentz symmetry in …

The most thoroughly understood example of superstring compactification is compactification
on a fiat torus [1]. This example is exactly soluble and obeys all of the equations of string …