Evidence for Gravitational Lensing of the Cosmic Microwave Background Polarization from Cross-Correlation with the Cosmic Infrared Background

被引：72

作者：

Ade, P. A. R. ^{[1
]}

Akiba, Y. ^{[2
]}

Anthony, A. E. ^{[3
,16
]}

Arnold, K. ^{[4
]}

Atlas, M. ^{[4
]}

Barron, D. ^{[4
]}

Boettger, D. ^{[4
]}

Borrill, J. ^{[5
,6
]}

Borys, C. ^{[7
]}

Chapman, S. ^{[8
]}

Chinone, Y. ^{[9
,10
]}

Dobbs, M. ^{[11
]}

Elleflot, T. ^{[4
]}

Errard, J. ^{[5
,6
]}

Fabbian, G. ^{[12
,13
]}

Feng, C. ^{[4
]}

Flanigan, D. ^{[10
,14
]}

Gilbert, A. ^{[11
]}

Grainger, W. ^{[15
]}

Halverson, N. W. ^{[3
,16
,17
]}

Hasegawa, M. ^{[2
,9
]}

Hattori, K. ^{[9
]}

Hazumi, M. ^{[2
,9
,18
]}

Holzapfel, W. L. ^{[10
]}

Hori, Y. ^{[9
]}

Howard, J. ^{[10
,19
]}

Hyland, P. ^{[20
]}

Inoue, Y. ^{[2
]}

Jaehnig, G. C. ^{[3
,17
]}

Jaffe, A. ^{[21
]}

Keating, B. ^{[4
]}

Kermish, Z. ^{[24
]}

Keskitalo, R. ^{[5
]}

Kisner, T. ^{[5
,6
]}

Le Jeune, M. ^{[12
]}

Lee, A. T. ^{[10
,25
]}

Leitch, E. M. ^{[22
,23
]}

Linder, E. ^{[6
,25
]}

Lungu, M. ^{[10
]}

Matsuda, F. ^{[4
]}

Matsumura, T. ^{[9
]}

Meng, X. ^{[10
]}

Miller, N. J. ^{[26
]}

Morii, H. ^{[9
]}

Moyerman, S. ^{[4
]}

Myers, M. J. ^{[10
]}

Navaroli, M. ^{[4
]}

Nishino, H. ^{[18
]}

Paar, H. ^{[4
]}

Peloton, J. ^{[12
]}

机构：

[1] Cardiff Univ, Sch Phys & Astron, Cardiff CF10 3XQ, S Glam, Wales

[2] Grad Univ Adv Studies, Kanagawa 2400115, Japan

[3] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA

[4] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[5] Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, La Jolla, CA 92093 USA

[6] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[7] CALTECH, Pasadena, CA 91125 USA

[8] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 4R2, Canada

[9] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan

[10] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[11] McGill Univ, Dept Phys, Montreal, PQ H3A 0G4, Canada

[12] Univ Paris Diderot, AstroParticule & Cosmol, CNRS IN2P3, CEA Irfu,Obs Paris,Sorbonne Paris Cite, Paris, France

[13] Int Sch Adv Studies SISSA, I-34014 Trieste, Italy

[14] Columbia Univ, Dept Phys, New York, NY 10027 USA

[15] STFC, Rutherford Appleton Lab, Swindon SN2 1SZ, Wilts, England

[16] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

[17] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[18] Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Univ WPI, Kashiwa, Chiba 2778583, Japan

[19] Univ Oxford, Dept Phys, Oxford OX1 2JD, England

[20] Austin Coll, Dept Phys, Sherman, TX 75090 USA

[21] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England

[22] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

[23] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[24] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[25] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[26] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Greenbelt, MD 20771 USA

[27] Napa Valley Coll, Dept Phys, Napa, CA 94558 USA

[28] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

[29] Univ Calif Berkeley, Miller Inst Basic Res Sci, Berkeley, CA 94720 USA

[30] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel

[31] Three Speed Log Inc, Vancouver, BC V6A 2J8, Canada

[32] Osaka Univ, Toyonaka, Osaka 5600043, Japan

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 13期

基金：

加拿大自然科学与工程研究理事会;

关键词：

POWER SPECTRUM; TELESCOPE; PROBE; SKY; GHZ;

D O I：

10.1103/PhysRevLett.112.131302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We reconstruct the gravitational lensing convergence signal from cosmic microwave background (CMB) polarization data taken by the POLARBEAR experiment and cross-correlate it with cosmic infrared background maps from the Herschel satellite. From the cross spectra, we obtain evidence for gravitational lensing of the CMB polarization at a statistical significance of 4.0 sigma and indication of the presence of a lensing B-mode signal at a significance of 2.3 sigma. We demonstrate that our results are not biased by instrumental and astrophysical systematic errors by performing null tests, checks with simulated and real data, and analytical calculations. This measurement of polarization lensing, made via the robust cross-correlation channel, not only reinforces POLARBEAR auto-correlation measurements, but also represents one of the early steps towards establishing CMB polarization lensing as a powerful new probe of cosmology and astrophysics.

引用

页数：6

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