Spin and mass content of linearized Poincaré gauge theories |
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Authors: | Eric A Lord K P Sinha |
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Affiliation: | (1) Department of Applied Mathematics, Indian Institute of Science, 560 012 Bangalore, India |
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Abstract: | A unified gauge theory of massless and massive spin-2 fields is of considerable current interest. The Poincaré gauge theories with quadratic Lagrangian are linearized, and the conditions on the parameters are found which will lead to viable linear theories with massive gauge particles. As well as the 2+ massless gravitons coming from the translational gauge potential, the rotational gauge potentials, in the linearized limit, give rise to 2+ and 2− particles of equal mass, as well as a massive pseudoscalar. |
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Keywords: | Gravitation gauge theories teleparallelism rotons |
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