How does total derivative terms affect development of the universe.

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How does total derivative terms affect development of the universe.

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How does Galileon terms like this which is a total derivative term affect cosmology?

$\partial^\mu\partial^\nu\pi\partial_\mu\partial_\nu\pi-\partial^2\pi\partial^2\pi$

Also, how does 4d Gauss Bonnet term gives an effective dark energy?

asked Mar 4, 2015 in Theoretical Physics by xavier (85 points) [ no revision ]
recategorized Mar 5, 2015 by dimension10

Why is this categorized Astronomy?

commented Mar 5, 2015 by xavier (85 points) [ no revision ]

@xavier Oops, misclick, sorry - fixed.

commented Mar 5, 2015 by dimension10 (1,985 points) [ no revision ]

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