graphical representation of susy and application to qft
DESCRIPTION
SUSY2007 @Karlsruhe Univ. 07.7.26. Graphical Representation of SUSY and Application to QFT. S. Ichinose Univ. of Shizuoka, SFNS, Japan. Based on hep-th/0603214,0603220. Sec.1 Introduction. How to denote a mathematical (physical) quantity often affects the understanding of its meaning. - PowerPoint PPT PresentationTRANSCRIPT
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Graphical Representation of SUSY and Application to QFT
S. Ichinose
Univ. of Shizuoka, SFNS, Japan
SUSY2007 @Karlsruhe Univ.07.7.26
Based on hep-th/0603214,0603220
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Sec.1 IntroductionHow to denote a mathematical (physical) quantity often affects the understanding of its meaning
Ex. A Vector Analysis
Ex. B Differential Form
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Ex.C Penrose’s spinor notation (‘71)
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Riemann Tensor
Ex. D Graph. Rep. of Riemann Tensor (S.I. ‘95)
Generally, as the No of suffixes increases, the suffix-free notation is technically advantageous.
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RRR-invariants 1(on-shell vanishing)
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RRR-invariants2
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New Off-shell Relations
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Sec.2 Spinor (Weyl Fermion)
SL(2,C) dual, suffix up-down
Com
plex conj.
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Sigma Matrices
2 by 2 Hermite matrices
Connection between chiral world and space-time (vector) world
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Spinor Suffix Contraction
Wedge structure
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Lorenz Vector
Double wedge structure
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Derivatives of Fermions
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Sec.3 Graph Relations
Fierz Identity
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2sigma’s
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3sigma’s
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Advantage 1. We can calculate using Graphical Relations
Advantage 2. Graphs are identified by their Graph Indices
Left Chiral Number, Right Chiral Number
Left Up-Down Number, Right Up-Down Number
Left Wedge Number, Right Wedge Number
Dotted Line Number
Sec.4 Graph IndicesAdvantage 0. We are free from suffixes
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Indices of SQED
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Classification of 2 Sigma’s
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Sec.5 Further ExtensionNon Abelian
Higher dimension
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vier-bein Rarita-Schwinger
Gravitational theory
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Sec.6 Input-Output SampleInput
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Output
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Final Output
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Sec.6 ConclusionWe report the present status of Graphical Representation ofSUSY. Outline is finished. However it still needs furtherdevelopment of programming for the ‘public’ use. G O A L