Multi - instantons, supersymmetry and topological field theories

Bellisai, Diego; Fucito, Francesco; Tanzini, Alessandro; Travaglini, Gabriele

doi:10.1016/S0370-2693(00)00396-8

Multi - instantons, supersymmetry and topological field theories

Diego Bellisai
(
- Padua U. and
- INFN, Padua
)
,
Francesco Fucito
(
- INFN, Rome2
)
,
Alessandro Tanzini
(
- INFN, Rome2
)
,
Gabriele Travaglini
(
- INFN, Rome2
)

Feb, 2000

10 pages

Published in:

Phys.Lett.B 480 (2000) 365-372

e-Print:

hep-th/0002110 [hep-th]

DOI:

10.1016/S0370-2693(00)00396-8

Report number:

ROM2F-2000-03,
DFPD-00-TH-05

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Abstract:

In this letter we argue that instanton-dominated Green's functions in N=2 Super Yang-Mills theories can be equivalently computed either using the so-called constrained instanton method or making reference to the topological twisted version of the theory. Defining an appropriate BRST operator (as a supersymmetry plus a gauge variation), we also show that the expansion coefficients of the Seiberg-Witten effective action for the low-energy degrees of freedom can be written as integrals of total derivatives over the moduli space of self-dual gauge connections.

Note:

10 pages, latex2e Report-no: ROM2F/2000/03, DFPD00/TH/05

gauge field theory: Yang-Mills
supersymmetry
field theory: topological
instanton
transformation: Becchi-Rouet-Stora
effective action
Seiberg-Witten model
geometry: algebra

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