Phys. Rev. D 73, 065012 (2006) [8 pages]Surface-invariants in 2D classical Yang-Mills theoryReceived 8 December 2005; published 10 March 2006 We study a method to obtain invariants under area-preserving diffeomorphisms associated to closed curves in the plane from classical Yang-Mills theory in two dimensions. Taking as starting point the Yang-Mills field coupled to nondynamical particles carrying chromo-electric charge, and by means of a perturbative scheme, we obtain the first two contributions to the on-shell action, which are area-invariants. A geometrical interpretation of these invariants is given. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.73.065012
DOI:
10.1103/PhysRevD.73.065012
PACS:
11.10.−z, 11.15.−q, 11.90.+t
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