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Homogeneous propagators for massless half-integer spin fields in 3+2 De Sitter space

✍ Scribed by Marc Lesimple

Publisher: Springer
Year: 1989
Tongue: English
Weight: 392 KB
Volume: 18
Category: Article
ISSN: 0377-9017
DOI: 10.1007/bf00405263

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✦ Synopsis

Investigation of the massive propagators allows us to exhibit indecomposable repr~'~ntations appearing with masslessness. By direct examination of the propagators, we prove that massless fields in 3 + 2 De Sitter space propagate on the light cone. Indeed, it will be shown that a choice of gauge, in which all propagation is confined to the light cone, exists and, in this context, explicit expressions of homogeneous propagators for massless half-integer spin fields are obtained.

📜 SIMILAR VOLUMES

Construction of homogeneous propagators

Construction of homogeneous propagators for massive half-integer spin fields in 3+2 De Sitter space, with implications for the massless limit

✍ Marc Lesimple 📂 Article 📅 1988 🏛 Springer 🌐 English ⚖ 290 KB

In this Letter we obtain explicit expressions of homogeneous propagators for half-integer spin fields and their flat-space limits, showing that propagation is confined inside the light cone. Also, for lower values of spin, flat-space limits are given.