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On A Cosmological Invariant as an Observational Probe in the Early Universe
Cosmological Invariant Observational Probe
2011/1/11
k-essence scalar field models are usually taken to have lagrangians of the form ${\mathcal L}=-V(\phi)F(X)$ with $F$ some general function of $X=\nabla_{\mu}\phi\nabla^{\mu}\phi$. Under certain condit...