TY - CHAP

T1 - Planar equivalence 2006

AU - Armoni, A.

AU - Shifman, M.

PY - 2008

Y1 - 2008

N2 - Planar equivalence between supersymmetric Yang-Mills theory and its orientifold daughters is a promising tool for explorations of nonperturbative aspects of quantum chromodynamics. Taking our 2004 review as a starting point, we summarize some recent developments in this issue. The most interesting processes in quantum chromodynamics (QCD) are those occurring at large distances, at strong coupling. The large distance dynamics determining such salient features as chiral symmetry breaking and color confinement are the realm of nonperturbative phenomena. Despite the practical importance of the issue and the fact that this is a very deep theoretical problem, very few analytic methods of calculations (of a limited scope) were developed over the years, for a recent review see [1]. The situation is much better in supersymmetric (SUSY) theories: certain quantities (which go under the name of F terms) can be calculated exactly, due to holomorphic dependences on various parameters. In particular, it is possible to calculate the exact value of the gluino condensate [2] in pure N = 1 super- Yang-Mills (SYM) theory (we will also refer to this theory as supersymmetric gluodynamics).

AB - Planar equivalence between supersymmetric Yang-Mills theory and its orientifold daughters is a promising tool for explorations of nonperturbative aspects of quantum chromodynamics. Taking our 2004 review as a starting point, we summarize some recent developments in this issue. The most interesting processes in quantum chromodynamics (QCD) are those occurring at large distances, at strong coupling. The large distance dynamics determining such salient features as chiral symmetry breaking and color confinement are the realm of nonperturbative phenomena. Despite the practical importance of the issue and the fact that this is a very deep theoretical problem, very few analytic methods of calculations (of a limited scope) were developed over the years, for a recent review see [1]. The situation is much better in supersymmetric (SUSY) theories: certain quantities (which go under the name of F terms) can be calculated exactly, due to holomorphic dependences on various parameters. In particular, it is possible to calculate the exact value of the gluino condensate [2] in pure N = 1 super- Yang-Mills (SYM) theory (we will also refer to this theory as supersymmetric gluodynamics).

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U2 - 10.1007/978-3-540-74233-3_13

DO - 10.1007/978-3-540-74233-3_13

M3 - Chapter

AN - SCOPUS:37549037480

SN - 9783540742326

T3 - Lecture Notes in Physics

SP - 289

EP - 300

BT - String Theory and Fundamental Interactions

A2 - Gasperini, Maurizio

A2 - Maharana, Jnan

ER -