Volume 25: Pages 228-232, 2012
Null-cone representation of interactions and causal structure
Aalok Pandyaa)
Department of Physics, University of Rajasthan, Jaipur 302004, India; and Jaipur Engineering College and Research Centre (JECRC), Jaipur 303905, India
We propose a null-cone representation for interacting world lines. The Feynman graphs of the fundamental interactions are recast in null-cone representation. Topology of the causal structure of these representations is found to be on firm footing. This exercise in turn further strengthens the foundations of special relativity.
Nous proposons une nouvelle représentation des cônes de lumière pour des lignes d'univers interconnectées. Les graphiques de Feynman pour les interactions fondamentales sont représentés sous forme de cônes de lumière. Des bases solides ont été trouvées pour la topologie du principe de causalité de ces représentations. Cette exercice renforce un peu plus les bases de la relativité restreinte.
Key words: Causality, Fundamental Interactions, Special Relativity
Received: February 12, 2011; Accepted: March 14, 2012; Published Online: May 25, 2012
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