SCOAP3 Repository 6 records found  Search took 0.03 seconds. 
1. GUT scale unification in heterotic strings / Angelantonj, Carlo ; Florakis, Ioannis
We present a class of heterotic compactifications where it is possible to lower the string unification scale down to the GUT scale, while preserving the validity of the perturbative analysis. [...]
Published in Physics letters B 789 (2019) 496-501 10.1016/j.physletb.2018.12.054
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2. A string realisation of Ω -deformed Abelian N=2⁎ theory / Angelantonj, Carlo ; Antoniadis, Ignatios ; Samsonyan, Marine
The N=2⁎ supersymmetric gauge theory is a massive deformation of N=4 , in which the adjoint hypermultiplet gets a mass. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.07.015
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3. Threshold corrections in heterotic flux compactifications / Angelantonj, Carlo ; Israël, Dan ; Sarkis, Matthieu
We compute the one-loop threshold corrections to the gauge and gravitational couplings for a large class of N = 2 $$ \mathcal{N}=2 $$ non-Kähler heterotic compactifications with three-form flux, consisting in principal two-torus bundles over K 3 surfaces. [...]
Published in JHEP 1708 (2017) 032 10.1007/JHEP08(2017)032 arXiv:1611.09442
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4. Generalised universality of gauge thresholds in heterotic vacua with and without supersymmetry / Angelantonj, Carlo ; Florakis, Ioannis ; Tsulaia, Mirian
We study one-loop quantum corrections to gauge couplings in heterotic vacua with spontaneous supersymmetry breaking. [...]
Published in Nuclear Physics B (2015) 10.1016/j.nuclphysb.2015.09.007
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5. Threshold corrections, generalised prepotentials and Eichler integrals / Angelantonj, Carlo ; Florakis, Ioannis ; Pioline, Boris
We continue our study of one-loop integrals associated to BPS-saturated amplitudes in N=2 heterotic vacua. [...]
Published in Nuclear Physics B 897 (2015) 781-820 10.1016/j.nuclphysb.2015.06.009
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6. Universality of gauge thresholds in non-supersymmetric heterotic vacua / Angelantonj, Carlo ; Florakis, Ioannis ; Tsulaia, Mirian
We compute one-loop threshold corrections to non-abelian gauge couplings in four-dimensional heterotic vacua with spontaneously broken N=2→N=0 supersymmetry, obtained as Scherk–Schwarz reductions of six-dimensional K3 compactifications. [...]
Published in Physics letters B 736 (2014) 365-370 10.1016/j.physletb.2014.08.001
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