Mass-spin relation for quark anti-quark bound states in non-commutative Yang-Mills theory

Details Mass-spin relation for quark anti-quark bound states in non-commutative Yang-Mills theory Mass-spin relation for quark anti-quark bound states in non-commutative Yang-Mills theory

2009-03-27

arxiv.org/abs/0903.4841v3

Nucl.Phys.B829:555-572,2010

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 9 figures, v2: references added, note added. v3: Major revision. New material (section 4) added. Title and abstract

Scientific paper

10.1016/j.nuclphysb.2009.12.015

We investigate the relationship between mass and spin of quark anti-quark bound state in non-commutative gauge theory with N=4 supersymmetry. In the large N and large 't Hooft coupling limit, these bound states correspond to rotating open strings ending on a D-brane embedded into the supergravity background dual of the non-commutative field theory. Although the physical configuration of the open strings are drastically deformed by the non-commutativity, we find that the relation between the energy and the angular momentum of the bound state is unaffected by the non-commutativity parameter. We also clarify the holographic interpretation of quark anti-quark potential in non-commutative gauge theories.

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