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Problems and Alternatives to Lambda Cold Dark Matter - Berkeley ...

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L = 1<br />

Extra Symmetries<br />

Cosmological Scalar Fields Unification. Perez-Lorenzana, et. al. Phys. Rev. D77, (2008), 063507<br />

Invariant under<br />

SU(1, 1)<br />

2 [∂µφ∂ µ φ + ∂µφ ∗ ∂ µ φ ∗ ]<br />

46

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