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We have investigated non-Gaussianity of our early Universe by comparing the parity asymmetry of the WMAP power spectrum with simulations.
The HEALPix primer
K. M. Gorski, B. D. Wandelt, F. K. Hansen, E. Hivon, and A. J. Banday · 1999
Earlier work this paper cites.
Mathematical Methods for Physicists
George B. Arfken and Hans J. Weber · 2000
Earlier work this paper cites.
Cosmological Inflation and Large-Scale Structure
Andrew R. Liddle and David H. Lyth · 2000
Earlier work this paper cites.
Non-Gaussianity of the Derived Maps from the First-Year Wilkinson Microwave Anisotropy Probe Data
L.-Y. Chiang, P. D. Naselsky, O. V. Verkhodanov, and M. J. Way · 2003
Earlier work this paper cites.
Modern Cosmology
Scott Dodelson · 2003
Earlier work this paper cites.
ACBAR: The Arcminute Cosmology Bolometer Array Receiver
M. C. Runyan and et al · 2003
Earlier work this paper cites.
Multipole vectors: A new representation of the CMB sky and evidence for statistical anisotropy or non-Gaussianity at 2 ≤ l ≤ 8 2\leq l\leq 8
C. J. Copi, D. Huterer, and G. D. Starkman · 2004
Earlier work this paper cites.
Detection of a non-Gaussian spot in WMAP
M. Cruz, E. Martínez-González, P. Vielva, and L. Cayón · 2004
Earlier work this paper cites.
The significance of the largest scale CMB fluctuations in WMAP
Angélica de Oliveira-Costa, Max Tegmark, Matias Zaldarriaga, and Andrew Hamilton · 2004
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“Asymmetries in the Cosmic Microwave Background Anisotropy Field”
H. K. Eriksen, F. K. Hansen, A. J. Banday, K. M. Górski, and P. B. Lilje · 2004
Earlier work this paper cites.
Primordial magnetic field and non-gaussianity of the 1-year wilkinson microwave anisotropy probe (wmap) data
Pavel D. Naselsky, Lung-Yih Chiang, Poul Olesen, and Oleg V. Verkhodanov · 2004
Earlier work this paper cites.
Non-Gaussian signatures in the temperature fluctuation observed by the Wilkinson Microwave Anisotropy Probe
C.-G. Park · 2004
Earlier work this paper cites.
Is the Low- ℓ \ell Microwave Background Cosmic?
D. J. Schwarz, G. D. Starkman, D. Huterer, and C. J. Copi · 2004
Cited alongside, same era.
On the large-angle anomalies of the microwave sky
C. J. Copi, D. Huterer, D. J. Schwarz, and G. D. Starkman · 2005
Cited alongside, same era.
HEALPix – a framework for high resolution discretization, and fast analysis of data distributed on the sphere
K. M. Gorski, E. Hivon, A. J. Banday, B. D. Wandelt, F. K. Hansen, M. Reinecke, and M. Bartelman · 2005
Cited alongside, same era.
Physical Foundations of Cosmology
Viatcheslav Mukhanov · 2005
Cited alongside, same era.
The non-Gaussian cold spot in Wilkinson Microwave Anisotropy Probe: significance, morphology and foreground contribution
M. Cruz, M. Tucci, E. Martínez-González, and P. Vielva · 2006
Cited alongside, same era.
Power Asymmetry in Cosmic Microwave Background Fluctuations from Full Sky to Sub-degree Scales: Is the Universe Isotropic?
F. K. Hansen, A. J. Banday, K. M. Gorski, H. K. Eriksen, and P. B. Lilje · 2008
Later among the works it cites.
Quad: A high-resolution cosmic microwave background polarimeter
J. Hinderks and et al · 2008
Later among the works it cites.
Five-year Wilkinson Microwave Anisotropy probe (WMAP) observations: Angular power spectra
M. R. Nolta and et al · 2008
Later among the works it cites.
Improved Measurements of the Temperature and Polarization of the Cosmic Microwave Background from QUaD
M. L. Brown and et al · 2009
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Five-Year Wilkinson Microwave Anisotropy Probe Observations: Likelihoods and Parameters from the WMAP Data
J. Dunkley and et al · 2009
Later among the works it cites.
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Uncorrelated universe: Statistical anisotropy and the vanishing angular correlation function in WMAP years 1 3
C. J. Copi, D. Huterer, D. J. Schwarz, and G. D. Starkman · 2007
Cited alongside, same era.
The Non-Gaussian Cold Spot in the 3 Year Wilkinson Microwave Anisotropy Probe Data
M. Cruz, L. Cayón, E. Martínez-González, P. Vielva, and J. Jin · 2007
Cited alongside, same era.
Three-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: Temperature analysis
G. Hinshaw and et al · 2007
Cited alongside, same era.
The Axis of Evil revisited
K. Land and J. Magueijo · 2007
Cited alongside, same era.
Correlating anomalies of the microwave sky
A. Rakić and D. J. Schwarz · 2007
Cited alongside, same era.
First season QUaD CMB temperature and polarization power spectra
P. Ade and et al · 2008
Cited alongside, same era.
The CMB cold spot: texture, cluster or void?
M. Cruz, E. Martínez-González, P. Vielva, J. M. Diego, M. Hobson, and N. Turok · 2008
Cited alongside, same era.
Five-Year Wilkinson Microwave Anisotropy Probe Observations: Beam Maps and Window Functions
R. S. Hill and et al · 2009
Later among the works it cites.
Five-Year Wilkinson Microwave Anisotropy Probe Observations: Data Processing, Sky Maps, and Basic Results
G. Hinshaw and et al · 2009
Later among the works it cites.
Increasing evidence for hemispherical power asymmetry in the five-year WMAP data
J. Hoftuft, H. K. Eriksen, A. J. Banday, K. M. Gorski, F. K. Hansen, and P. B. Lilje · 2009
Later among the works it cites.
Cosmological Alfvén waves in the recent CMB data, and the observational bound on the primordial vector perturbation
J. Kim and P. Naselsky · 2009
Later among the works it cites.
Five-Year Wilkinson Microwave Anisotropy Probe Observations: Cosmological Interpretation
E. Komatsu and et al · 2009
Later among the works it cites.
Second and third season QUaD CMB temperature and polarization power spectra
C. Pryke and et al · 2009
Later among the works it cites.
High-Resolution CMB Power Spectrum from the Complete ACBAR Data Set
C. L. Reichardt and et al · 2009
Later among the works it cites.