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All-sky reconstruction of the primordial scalar potential & implications

Published online by Cambridge University Press:  27 October 2016

Sebastian Dorn ,
Maksim Greiner  and
Torsten A. Enßlin
Sebastian Dorn
Affiliation:
Max-Planck-Institute for Astrophysics, Karl-Schwarzschild-Str. 1, D-85748 Garching; Ludwigs-Maximilians-Universität München, Geschwister-Scholl-Platz 1, D-80539 Munich email: sdorn@mpa-garching.mpg.de
Maksim Greiner
Affiliation:
Max-Planck-Institute for Astrophysics, Karl-Schwarzschild-Str. 1, D-85748 Garching; Ludwigs-Maximilians-Universität München, Geschwister-Scholl-Platz 1, D-80539 Munich email: sdorn@mpa-garching.mpg.de
Torsten A. Enßlin
Affiliation:
Max-Planck-Institute for Astrophysics, Karl-Schwarzschild-Str. 1, D-85748 Garching; Ludwigs-Maximilians-Universität München, Geschwister-Scholl-Platz 1, D-80539 Munich email: sdorn@mpa-garching.mpg.de
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Abstract

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An essential quantity required to understand the physics of the early Universe is the primordial scalar potential and its statistics. We present an inexpensive all-sky reconstruction of the potential from CMB temperature data as well as an extension including polarization data. Once explicitly having the potential, its statistics and underlying physics can be directly obtained avoiding expensive CMB analyses.

Keywords

Primordial Density PerturbationsBayesian InferenceCMBPower Spectrum
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 49
Copyright
Copyright © International Astronomical Union 2016 

References

Yadav, A. P. S. & Wandelt, B. D. 2005, arXiv:astro-ph/0505386Google Scholar
Dorn, S., Greiner, M., & Enßlin, T. A. 2015, arXiv:1412.8315CrossRefGoogle Scholar
Jasche, J. & Wandelt, B. D. 2013, arXiv:1203.3639Google Scholar