137 citations · 2.1k across the 138 of their papers we have counts for
5 papers · 1 filter
Flipped SU(5) with modular symmetry
Georgianna Charalampous, Stephen F. King, George K. Leontaris +1
We study Flipped Grand Unified Theories (GUTs) with modular symmetry. We propose two models with different modular weights assignments, where the…
Remarks on the effects of quantum corrections on moduli stabilization and de Sitter vacua in type IIB string theory
Vasileios Basiouris, George K. Leontaris
The rôle of string loop corrections on the existence of de Sitter vacua and the moduli stabilization problem is examined in type IIB effective theories. The fundamental building bl…
Hybrid inflation and waterfall field in string theory from D7-branes
Ignatios Antoniadis, Osmin Lacombe, George K. Leontaris
We present an explicit string realisation of a cosmological inflationary scenario we proposed recently within the framework of type IIB flux compactifications in the presence of th…
models with a vector-like fermion family
A. Karozas, G. K. Leontaris, I. Tavellaris
Motivated by experimental measurements indicating deviations from the Standard Model predictions we discuss F-theory inspired models, which, in addition to the three chiral generat…
Gravitino Dark matter, Non Thermal Leptogenesis and Low reheating temperature in No-scale Higgs Inflation
Waqas Ahmed, Athanasios Karozas, George K. Leontaris
We revisit Higgs inflation in the framework of a minimal extension of the Standard Model gauge symmetry by a factor. Various aspects are taken into account with partic…