Abstract
The existence of a topological double-covering for the GL(n, R) and diffeomorphism groups is reviewed. These groups do not have finite-dimensional faithful representations. An explicit construction and the classification of all\(\overline {SL} \)(n, R), n=3,4 unitary irreducible representations is presented. Infinite-component spinorial and tensorial\(\overline {SL} \) fields, “manifields”, are introduced. Particle content of the ladder manifields, as given by the\(\overline {SL} \)(3, R) “little” group, is determined. The manifields are lifted to the corresponding world spinorial and tensorial manifields by making use of generalized infinite-component frame fields. World manifields transform w.r.t. corresponding\(\overline {Diff} \) representations, which are constructed explicitly.
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Supported in part by the Science Foundation (Belgrade).
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Ne'eman, Y., Šijački, D. World spinors—Construction and some applications. Found Phys 27, 1105–1122 (1997). https://doi.org/10.1007/BF02551436
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DOI: https://doi.org/10.1007/BF02551436