A Method to estimate the primordial power spectrum from CMB data

R Bautista, S Torres - arXiv preprint astro-ph/9511071, 1995 - arxiv.org
A precise determination of the primordial spectrum of matter density fluctuations at super-
horizon scales is essential in understanding large scale structure in the universe. Attempts to …

Measuring the primordial power spectrum: Principal component analysis of the cosmic microwave background

S Leach - Monthly Notices of the Royal Astronomical Society, 2006 - academic.oup.com
We implement and investigate a method for measuring departures from scale-invariance,
both scale-dependent as well as scale-free, in the primordial power spectrum of density …

Isotropy of the early universe from CMB anisotropies

EP Donoghue, JF Donoghue - … Review D—Particles, Fields, Gravitation, and …, 2005 - APS
The acoustic peak in the cosmic microwave background power spectrum is sensitive to
causal processes and cosmological parameters in the early universe up to the time of last …

Model-independent primordial power spectrum from MAXIMA, BOOMERANG, and DASI data

Y Wang, GJ Mathews - The Astrophysical Journal, 2002 - iopscience.iop.org
A model-independent determination of the primordial power spectrum of matter density
fluctuations could uniquely probe physics of the very early universe and provide powerful …

A Bayesian study of the primordial power spectrum from a novel closed universe model

JA Vazquez, AN Lasenby, M Bridges… - Monthly Notices of the …, 2012 - academic.oup.com
We constrain the shape of the primordial power spectrum using recent measurements of the
cosmic microwave background (CMB) from the Wilkinson Microwave Anisotropy Probe …

A bayesian analysis of the primordial power spectrum

M Bridges, AN Lasenby… - Monthly Notices of the …, 2006 - academic.oup.com
We present a Bayesian analysis of large-scale structure (LSS) and cosmic microwave
background data to constrain the form of the primordial power spectrum. We have extended …

Reconstruction of the primordial power spectrum from CMB data

ZK Guo, DJ Schwarz, YZ Zhang - Journal of Cosmology and …, 2011 - iopscience.iop.org
Measuring the deviation from scale invariance of the primordial power spectrum is a critical
test of inflation. In this paper we reconstruct the shape of the primordial power spectrum of …

From the cosmological microwave background to large-scale structure

J Silk, E Gawiser - AIP Conference Proceedings, 1999 - pubs.aip.org
The shape of the primordial fluctuation spectrum is probed by cosmic microwave
background fluctuations which measure density fluctuations at z∼ 1000 on scales of …

Early universe with CMB anisotropy

T Souradeep, A Shafieloo - Progress of Theoretical Physics …, 2008 - academic.oup.com
Current cosmological observations are remarkably consistent with a concordance
cosmology including an epoch of inflation in the very early universe. There is a tantalizing …

A FIRST DETERMINATION OF THE POSITION OF THE'DOPPLER'PEAK

S Hancock, G Rocha - Microwave Background Anisotropies, 1997 - books.google.com
Cosmological theories for the origin and evolution of structure in the Universe are highly
predictive of the form of the angular power spectrum of cosmic microwave background …