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The full CMB temperature bispectrum from single-field inflation
Zhiqi Huang, Filippo Vernizzi
We compute the full cosmic microwave background temperature bispectrum generated by nonlinearities after single-field inflation. By integrating the photon temperature at second ord…
Chameleons in the Early Universe: Kicks, Rebounds, and Particle Production
Adrienne L. Erickcek, Neil Barnaby, Clare Burrage +1
Chameleon gravity is a scalar-tensor theory that includes a non-minimal coupling between the scalar field and the matter fields and yet mimics general relativity in the Solar Syste…
Catastrophic Consequences of Kicking the Chameleon
Adrienne L. Erickcek, Neil Barnaby, Clare Burrage +1
The physics of the "dark energy" that drives the current cosmological acceleration remains mysterious, and the dark sector may involve new light dynamical fields. If these light sc…