173 citations · 593 across the 31 of their papers we have counts for
28 papers · 1 filter
Quark Masses from Gaugino Condensation in String Theories
Christos Kokorelis, Van E. Mayes, Dimitri V. Nanopoulos
We present a mechanism able to generate the perturbatively absent up/down quark Yukawa couplings of SU(5)/flipped SU(5) GUTS in Type II…
On the (Non) Perturbative Origin of Quark Masses in D-brane GUT Models
Christos Kokorelis
We examine the issue of generating the perturbatively absent SU(5)/flipped SU(5)Yukawa couplings in type II D-brane orientifold compactifi…
MSSM GUT String Vacua, Split Supersymmetry and Fluxes
Emmanuel Floratos, Christos Kokorelis
We show that previous proposals to accommodate the MSSM with string theory N=0 non-supersymmetric compactifications coming from intersecting D6-branes may be made fully consistent…
Standard Model Compactifications of IIA Z3 x Z3 Orientifolds from Intersecting D6-branes
Christos Kokorelis
We discuss the construction of chiral four dimensional orientifold compactifications of IIA theory, using D6-branes intersecting at angles and not alig…
Standard Model Building from Intersecting D-Branes
Christos Kokorelis
We provide a general overview of the current state of the art in four dimensional three generation model building proposals - using intersecting D-brane toroidal compactifications…
Standard Models and Split Supersymmetry from Intersecting Brane Orbifolds
Christos Kokorelis
We construct four dimensional three generation non-supersymmetric intersecting D6-brane models with \rq{s}. At three stacks we find exac…
Beyond the SM; D-brane model building from intersecting brane worlds
Christos Kokorelis
We discuss the appearance of non-supersymmetric D6-brane GUT model constructions. We focus on the construction of the first examples of flipped SU(5) and SU(5) GUTS which have only…
4D GUT (and SM) Model Building from Intersecting D-Branes
Christos Kokorelis
We provide a general overview of the current state of the art in three generation model building proposals - using intersecting D-brane toroidal compactifications of IIA string the…
N=1 Locally Supersymmetric Standard Models from Intersecting Branes
Christos Kokorelis
We construct four dimensional intersecting D6-brane models that have locally the spectrum of the N=1 Supersymmetric Standard Model. All open {\em visible} string sectors share the…
SU(5) Unified Theories from Intersecting Branes
Minos Axenides, Emmanuel Floratos, Christos Kokorelis
We discuss the first string theory examples of three generation non-supersymmetric SU(5) and {\em flipped} SU(5) GUTS, which break to the Standard model at low energy, without extr…
Deformed Intersecting D6-Brane GUTS and N=1 SUSY
Christos Kokorelis
We analyze the construction of non-supersymmetric three generation six-stack Pati-Salam (PS) GUT classes of models, by localizing D6-branes…
Standard Model Compactifications from Intersecting Branes
Christos Kokorelis
We discuss the construction of four dimensional non-supersymmetric models obtained from configurations of D6-branes intersecting at angles. We present the first examples of string…
Deformed Intersecting D6-Brane GUTS II
Christos Kokorelis
By employing D6-branes intersecting at angles in type I strings, we construct {\em five stack} string GUT models (PS-II class), that contain at low energy {\em exactly the…
Exact Standard Model Structures from Intersecting Branes
Christos Kokorelis
I discuss two types of non-supersymmetric string model constructions that give at low energy exactly the Standard model (SM) with no additional matter/and or gauge group factors. T…
Deformed Intersecting D6-Brane GUTS I
Christos Kokorelis
By employing D6-branes intersecting at angles in type IIA strings, we construct {\em four stack string GUT models} (PS-I class), that contain at low energy {\em exactly the…
Exact Standard model Structures from Intersecting D5-Branes
Christos Kokorelis
We discuss the appearance of non-supersymmetric compactifications with exactly the Standard Model (SM) at low energies, in the context of IIB orientifold constructions with D5 bran…
Exact Standard Model Compactifications from Intersecting Branes
Christos Kokorelis
We construct six stack D6-brane vacua (non-supersymmetric) that have at low energy exactly the standard model (with right handed neutrinos). The construction is based on D6-branes…
New Standard Model Vacua from Intersecting Branes
Christos Kokorelis
We construct new D6-brane model vacua (non-supersymmetric) that have at low energy exactly the standard model spectrum (with right handed neutrinos). The minimal version of these m…
GUT Model Hierarchies from Intersecting Branes
Christos Kokorelis
By employing D6-branes intersecting at angles in type I strings, we construct the first examples of three generation string GUT models (PS-A class), that contain at low ene…
Constraint Supersymmetry Breaking and Non-Perturbative Effects in String Theory
Christos Kokorelis
We discuss supersymmetry breaking mechanism at the level of low energy N=1 effective superstring actions that exhibit target space modular duality or strong…
String Loop Threshold Corrections for N=1 Generalized Coxeter Orbifolds
Christos Kokorelis
We discuss the calculation of threshold corrections to gauge coupling constants for the, only, non-decomposable class of abelian (2, 2) symmetric N=1 four dimensional heterotic orb…
Gauge and Gravitational Couplings from Modular Orbits in Orbifold Compactifications
Christos Kokorelis
We discuss the appearance of modular functions at the one-loop gauge and gravitational couplings in (0,2) non-decomposable N=1 four dimensional orbifold compactifications of the he…
F-Theories with Reduced Monodromy and Effective String Theories
Christos Kokorelis
We discuss aspects of the non-standard version of F-theory based on the arithmetic of torsion points on elliptic curves. We construct new F-theory vacua in 8 dimensions...
F-Theories on Double Sextics and Effective String Theories
Christos Epameinonda Kokorelis
We construct new F-theory vacua in 8-dimensions. They are coming by projective realizations of F-theory on surfaces admitting double covers onto , branched along a plane…