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On ghosts in theories of self-interacting massive spin-2 particles
ghosts theories self-interacting massive spin-2 particles
2011/10/17
We consider general theories of a massive spin-2 particle $h_{\mu\nu}$ on a Minkowski background. A decomposition of $h_{\mu\nu}$ in terms of helicity eigenstates allows us to directly test whether an...
Generation of M2 >0 Anti-Ghosts from M2 >0 Superbradyons at Gravito-Electroweak Unification Scale
supersymmetry superbradyons gravito-electroweak unification scale non-minimal coupling complex scalar field
2010/6/30
We show that superbradyons defined as superluminal particles with positive-square mass may be created in the de-Sitter region under specific conformal coupling constraints and later propagates to the ...
We construct examples of static, spherically symmetric wormhole solutions in general relativity with a minimally coupled scalar field $\phi$ whose kinetic energy is negative in a restricted region of ...
Searching for ghosts in the galactic halo：what can we learn about the formation of
galactic halo stellar halo galaxy
2009/6/25
Searching for ghosts in the galactic halo：what can we learn about the formation of
the galaxy from the stellar halo?