Planck intermediate results. XLIX. Parity-violation constraints from polarization data
- Aghanim, N.
- Ashdown, M.
- Aumont, J.
- Baccigalupi, C.
- Ballardini, M.
- Banday, A.J.
- Barreiro, R.B.
- Bartolo, N.
- Basak, S.
- Benabed, K.
- Bernard, J.-P.
- Bersanelli, M.
- Bielewicz, P.
- Bonavera, L.
- Bond, J.R.
- Borrill, J.
- Bouchet, F.R.
- Burigana, C.
- Calabrese, E.
- Cardoso, J.-F.
- Carron, J.
- Chiang, H.C.
- Colombo, L.P.L.
- Comis, B.
- Contreras, D.
- Couchot, F.
- Coulais, A.
- Crill, B.P.
- Curto, A.
- Cuttaia, F.
- de Bernardis, P.
- de Rosa, A.
- de Zotti, G.
- Delabrouille, J.
- Désert, F.-X.
- Di Valentino, E.
- Dickinson, C.
- Diego, J.M.
- Doré, O.
- Ducout, A.
- Dupac, X.
- Dusini, S.
- Elsner, F.
- Enßlin, T.A.
- Eriksen, H.K.
- Fantaye, Y.
- Finelli, F.
- Forastieri, F.
- Frailis, M.
- Franceschi, E.
- Frolov, A.
- Galeotta, S.
- Galli, S.
- Ganga, K.
- Génova-Santos, R.T.
- Gerbino, M.
- Giraud-Héraud, Y.
- González-Nuevo, J.
- Górski, K.M.
- Gruppuso, A.
- Gudmundsson, J.E.
- Hansen, F.K.
- Henrot-Versillé, S.
- Herranz, D.
- Hivon, E.
- Huang, Z.
- Jaffe, A.H.
- Jones, W.C.
- Keihänen, E.
- Keskitalo, R.
- Kiiveri, K.
- Krachmalnicoff, N.
- Kunz, M.
- Kurki-Suonio, H.
- Lamarre, J.-M.
- Langer, M.
- Lasenby, A.
- Lattanzi, M.
- Lawrence, C.R.
- Le Jeune, M.
- Leahy, J.P.
- Levrier, F.
- Liguori, M.
- Lilje, P.B.
- Lindholm, V.
- López-Caniego, M.
- Ma, Y.-Z.
- Macías-Pérez, J.F.
- Maggio, G.
- Maino, D.
- Mandolesi, N.
- Maris, M.
- Martin, P.G.
- Martínez-González, E.
- Matarrese, S.
- Mauri, N.
- McEwen, J.D.
- Meinhold, P.R.
- Melchiorri, A.
- Mennella, A.
- Migliaccio, M.
- Miville-Deschênes, M.-A.
- Molinari, D.
- Moneti, A.
- Morgante, G.
- Moss, Adam
- Natoli, P.
- Pagano, L.
- Paoletti, D.
- Patanchon, G.
- Patrizii, L.
- Perotto, L.
- Pettorino, V.
- Piacentini, F.
- Polastri, L.
- Polenta, G.
- Rachen, J. P.
- Racine, B.
- Reinecke, M.
- Remazeilles, M.
- Renzi, A.
- Rocha, G.
- Rosset, C.
- Rossetti, M.
- Roudier, G.
- Rubiño-Martín, J.A.
- Ruiz-Granados, B.
- Sandri, M.
- Savelainen, M.
- Scott, D.
- Sirignano, C.
- Sirri, G.
- Spencer, L.D.
- Suur-Uski, A.-S.
- Tauber, J.A.
- Tavagnacco, D.
- Tenti, M.
- Toffolatti, L.
- Tomasi, M.
- Tristram, M.
- Trombetti, T.
- Valiviita, J.
- Van Tent, F.
- Vielva, P.
- Villa, F.
- Vittorio, N.
- Wandelt, B.D.
- Wehus, I.K.
- Zacchei, A.
- Zonca, A.
DOIAbstract
Parity-violating extensions of the standard electromagnetic theory cause in vacuo rotation of the plane of polarization of propagating photons. This effect, also known as cosmic birefringence, has an impact on the cosmic microwave background (CMB) anisotropy angular power spectra, producing non-vanishing T–B and E–B correlations that are otherwise null when parity is a symmetry. Here we present new constraints on an isotropic rotation, parametrized by the angle α, derived from Planck 2015 CMB polarization data. To increase the robustness of our analyses, we employ two complementary approaches, in harmonic space and in map space, the latter based on a peak stacking technique. The two approaches provide estimates for α that are in agreement w...
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