Propagators in Noncommutative Instantons
High Energy Physics - Theory
2009-11-07 v2 High Energy Physics - Phenomenology
Abstract
We explicitly construct Green functions for a field in an arbitrary representation of gauge group propagating in noncommutative instanton backgrounds based on the ADHM construction. The propagators for spinor and vector fields can be constructed in terms of those for the scalar field in noncommutative instanton background. We show that the propagators in the adjoint representation are deformed by noncommutativity while those in the fundamental representation have exactly the same form as the commutative case.
Cite
@article{arxiv.hep-th/0206001,
title = {Propagators in Noncommutative Instantons},
author = {Bum-Hoon Lee and Hyun Seok Yang},
journal= {arXiv preprint arXiv:hep-th/0206001},
year = {2009}
}
Comments
28 pages, Latex, v2: A few typos corrected