ar X iv : h ep - t h / 97 05 03 1 v 2 6 M ay 1 99 7 SU - ITP - 97 - 22 5 d Field Theories and M Theory

نویسنده

  • Barak Kol
چکیده

5-brane configurations describing 5d field theories are promoted to an M theory description à la Witten in terms of polynomials in two complex variables. The coefficients of the polynomials are the Coulomb branch. This picture resolves apparent singularities at vertices and reveals exponentially small corrections. These corrections ask to be compared to world line instanton corrections. From a different perspective this procedure may be used to define a diagrammatic representation of polynomials in two variables.

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منابع مشابه

ar X iv : h ep - t h / 97 05 03 1 v 1 5 M ay 1 99 7 SU - ITP - 97 - 22 5 d Field Theories and M Theory

5-brane configurations describing 5d field theories are promoted to an M theory description à la Witten in terms of polynomials in two complex variables. The coefficients of the polynomials are the Coulomb branch. This picture resolves apparent singularities at vertices and reveals exponentially small corrections. These corrections ask to be compared to world line instanton corrections. From a ...

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ar X iv : h ep - t h / 97 05 19 1 v 1 2 5 M ay 1 99 7 On calculation of the off - shell renormalization functions in the R 2 – gravity

A new way how to calculate the off-shell renormalization functions within the R 2-gravity has been proposed. The one-loop renormaliza-tion group equations in the approach suggested have been constructed. The behaviour of effective potential for an massless scalar field interacting with the quantum gravitational field has been analyzed in this approach.

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تاریخ انتشار 1997