Multi-instanton calculus and equivariant cohomology | Zendy

Ugo Bruzzo | Zendy; Francesco Fucito | Zendy; José Francisco Morales | Zendy; Alessandro Tanzini | Zendy

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Multi-instanton calculus and equivariant cohomology

Author(s) -

Ugo Bruzzo,

Francesco Fucito,

José Francisco Morales,

Alessandro Tanzini

Publication year - 2003

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 - 10.1088/1126-6708/2003/05/054

Subject(s) - equivariant map , instanton , equivariant cohomology , cohomology , mathematics , gauge theory , gauge (firearms) , pure mathematics , algebra over a field , mathematical physics , archaeology , history

We present a systematic derivation of multi-instanton amplitudes in terms ofADHM equivariant cohomology. The results rely on a supersymmetric formulationof the localization formula for equivariant forms. We examine the cases of N=4and N=2 gauge theories with adjoint and fundamental matter.Comment: 29 pages, one more reference adde

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