New class of de Sitter vacua in string theory compactifications
New class of de Sitter vacua in string theory compactifications
String theory contains few known working examples of de Sitter vacua, four-dimensional universes with a positive cosmological constant. A notorious obstacle is the stabilization of a large number---sometimes hundreds---of moduli fields that characterize the compact dimensions. We study the stability of a class of supersymmetric moduli (the complex structure moduli …