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Universal Constraints on Axions from Inflation
Ricardo Z. Ferreira, Martin S. Sloth
We consider the presence of an axion like particle, , with a generic violating axial coupling of the form , where is the gauge field streng…
Probing correlations of early magnetic fields using mu-distortion
Jonathan Ganc, Martin S. Sloth
The damping of a non-uniform magnetic field between the redshifts of about and injects energy into the photon-baryon plasma and causes the CMB to deviate from a perfe…
Chaotic inflation with curvaton induced running
Martin S. Sloth
While dust contamination now appears as a likely explanation of the apparent tension between the recent BICEP2 data and the Planck data, we will here explore the consequences of a…
Inflationary Magnetogenesis without the Strong Coupling Problem II: Constraints from CMB anisotropies and B-modes
Ricardo J. Z. Ferreira, Rajeev Kumar Jain, Martin S. Sloth
Recent observational claims of magnetic fields stronger than G in the extragalactic medium motivate a new look for their origin in the inflationary magnetogenesis models…