Bi-galileon theory I: motivation and formulation
We introduce bi-galileon theory, the generalisation of the single galileon model introduced by Nicolis et al. The theory contains two coupled scalar fields and is described by a Lagrangian that is invariant under Galilean shifts in those fields. This paper is the first of two, and focuses on the mot...
| Main Authors: | , , |
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| Format: | Article |
| Published: |
Springer
2010
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| Online Access: | https://eprints.nottingham.ac.uk/42133/ |