On the Heterotic Effective Action at One-Loop, Gauge Couplings and the Gravitational Sector
| dc.creator | Kiritsis, E. | |
| dc.creator | Kounnas, C. | |
| dc.creator | Petropoulos, M. | |
| dc.creator | Rizos, J. | |
| dc.date | 1996-05-02 | |
| dc.date | 1996-05-03 | |
| dc.date.accessioned | 2026-07-07T09:04:20Z | |
| dc.date.available | 2026-07-07T09:04:20Z | |
| dc.description | We present in detail the procedure for calculating the heterotic one-loop effective action. We focus on gravitational and gauge couplings. We show that the two-derivative couplings of the gravitational sector are not renormalized at one loop when the ground state is supersymmetric. Arguments are presented that this non-renormalization theorem persists to all orders in perturbation theory. We also derive the full one-loop correction to the gauge coupling. For a class of $N=2$ ground states, namely those that are obtained by toroidal compactification to four dimensions of generic six-dimensional $N=1$ models, we give an explicit formula for the gauge-group independent thresholds, and show that these are equal within the whole family. | |
| dc.description | LateX, 17pp. A minor correction made | |
| dc.identifier | https://arxiv.org/abs/hep-th/9605011 | |
| dc.identifier | http://arxiv.org/abs/hep-th/9605011 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/149342 | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | On the Heterotic Effective Action at One-Loop, Gauge Couplings and the Gravitational Sector | |
| dc.type | text |