Conformal anomaly of Wilson surface observables - a field theoretical computation | Zendy

Andreas Gustavsson | Zendy

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Conformal anomaly of Wilson surface observables - a field theoretical computation

Author(s) -

Andreas Gustavsson

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/07/074

Subject(s) - conformal anomaly , observable , anomaly (physics) , submanifold , conformal map , scalar field , physics , computation , conformal field theory , surface (topology) , scalar (mathematics) , mathematical physics , field (mathematics) , mathematics , quantum mechanics , geometry , mathematical analysis , pure mathematics , algorithm

We make an exact field theoretical computation of the conformal anomaly fortwo-dimensional submanifold observables. By including a scalar field in thedefinition for the Wilson surface, as appropriate for a spontaneously brokenA_1 theory, we get a conformal anomaly which is such that N times it is equalto the anomaly that was computed in hep-th/9901021 in the large N limit andwhich relied on the AdS-CFT correspondence. We also show how the sphericalsurface observable can be expressed as a conformal anomaly.Comment: 18 pages, V3: an `i' dropped in the Wilson surface, overall normalization and misprints corrected, V4: overall normalization factor corrected, references adde

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