Journal Article10.1103/PHYSREVLETT.93.231301
Gauge-invariant temperature anisotropies and primordial non-Gaussianity.
TL;DR: This work provides the gauge-invariant expression f(NL), which contains a primordial term encoding all the information about the non-Gaussianity generated at primordial epochs and about the mechanism which gave rise to cosmological perturbations, thus neatly disentangling the primordial contribution to non- Gaussianity from the one caused by the postinflationary evolution.
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Abstract: We provide the gauge-invariant expression for large-scale cosmic microwave background temperature fluctuations at second-order perturbation theory This enables us to define unambiguously the nonlinearity parameter ${f}_{\mathrm{N}\mathrm{L}}$, which is used by experimental collaborations to pin down the level of non-Gaussianity in the temperature fluctuations Furthermore, it contains a primordial term encoding all the information about the non-Gaussianity generated at primordial epochs and about the mechanism which gave rise to cosmological perturbations, thus neatly disentangling the primordial contribution to non-Gaussianity from the one caused by the postinflationary evolution
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Planck 2015 results. XX. Constraints on inflation
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,R. B. Barreiro,Nicola Bartolo,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,J.-P. Bernard,Marco Bersanelli,P. Bielewicz,J. J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,François R. Bouchet,F. Boulanger,M. Bucher,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,A. Catalano,Anthony Challinor,A. Chamballu,R.-R. Chary,H. C. Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,C. Combet,D. Contreras,F. Couchot,A. Coulais,B. P. Crill,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,Jacques Delabrouille,F.-X. Désert,Jose M. Diego,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,Torsten A. Ensslin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,M. Frailis,Aurelien A. Fraisse,E. Franceschi,A. Frejsel,Andrei V. Frolov,S. Galeotta,Silvia Galli,K. Ganga,C. Gauthier,M. Giard,Y. Giraud-Héraud,E. Gjerløw,J. González-Nuevo,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jan Hamann,Will Handley,F. K. Hansen,Duncan Hanson,D. L. Harrison,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes +98 more
TL;DR: In this article, the authors report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements, which are fully consistent with the two previous Planck cosmological releases, but have smaller uncertainties thanks to improvements in the characterization of polarization at low and high multipoles.
Planck 2013 results. XXII. Constraints on inflation
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,Frederico Arroja,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,A. J. Banday,R. B. Barreiro,Nicola Bartolo,Nicola Bartolo,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,A. Benoit-Lévy,J.-P. Bernard,J.-P. Bernard,Marco Bersanelli,Marco Bersanelli,P. Bielewicz,P. Bielewicz,James J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,Julian Borrill,François R. Bouchet,Francois Boulanger,M. Bucher,Carlo Burigana,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,Jean-François Cardoso,Jean-François Cardoso,A. Catalano,A. Catalano,Anthony Challinor,A. Chamballu,A. Chamballu,A. Chamballu,R.-R. Chary,H. C. Chiang,H. C. Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,L. P. L. Colombo,C. Combet,D. Contreras,F. Couchot,A. Coulais,B. P. Crill,A. Curto,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,G. de Zotti,Jacques Delabrouille,F.-X. Désert,Jose M. Diego,H. Dole,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,F. Elsner,Torsten A. Enßlin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,Olivier Forni,M. Frailis,Aurelien A. Fraisse,E. Franceschi,A. Frejsel,Andrei V. Frolov,S. Galeotta,S. Galli,K. Ganga,C. Gauthier,C. Gauthier,M. Giard,M. Giard,Y. Giraud-Héraud,E. Gjerløw,J. González-Nuevo,J. González-Nuevo,Krzysztof M. Gorski,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jon E. Gudmundsson,Jon E. Gudmundsson,Jan Hamann,Jan Hamann,Will Handley,F. K. Hansen,Duncan Hanson,Duncan Hanson,Duncan Hanson,D. L. Harrison,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes,Allan Hornstrup,W. Hovest,Zhiqi Huang,Kevin M. Huffenberger,G. Hurier,Andrew H. Jaffe,T. R. Jaffe,T. R. Jaffe,W. C. Jones,Mika Juvela,E. Keihänen,Reijo Keskitalo,J. B. Kim,Theodore Kisner,R. Kneissl,R. Kneissl,J. Knoche,Martin Kunz,Martin Kunz,Martin Kunz,Hannu Kurki-Suonio,Hannu Kurki-Suonio,Guilaine Lagache,Guilaine Lagache,Anne Lähteenmäki,Anne Lähteenmäki,J.-M. Lamarre,Anthony Lasenby,Massimiliano Lattanzi,Charles R. Lawrence,R. Leonardi,Julien Lesgourgues,Julien Lesgourgues,François Levrier,Antony Lewis,Michele Liguori,Michele Liguori,P. B. Lilje,M. Linden-Vørnle,M. López-Caniego,M. López-Caniego,Philip Lubin,Yin-Zhe Ma,Yin-Zhe Ma,J. F. Macías-Pérez,Gianmarco Maggio,Davide Maino,Davide Maino,N. Mandolesi,N. Mandolesi,A. Mangilli,A. Mangilli,Michele Maris,Peter G. Martin,E. Martínez-González,Silvia Masi,Sabino Matarrese,Sabino Matarrese,P. M. McGehee,Peter Meinhold,Alessandro Melchiorri,L. Mendes,A. Mennella,A. Mennella,M. Migliaccio,Subhabrata Mitra,Subhabrata Mitra,M.-A. Miville-Deschênes,M.-A. Miville-Deschênes,D. Molinari,D. Molinari,A. Moneti,L. Montier,L. Montier,Gianluca Morgante,Daniel J. Mortlock,Adam Moss,Moritz Münchmeyer,Dipak Munshi,J. A. Murphy,Pavel Naselsky,Federico Nati,Paolo Natoli,Paolo Natoli,Paolo Natoli,Calvin B. Netterfield,Hans Ulrik Nørgaard-Nielsen,F. Noviello,Dmitry Novikov,I. D. Novikov,I. D. Novikov,Carol Anne Oxborrow,F. Paci,L. Pagano,F. Pajot,Roberta Paladini,S. Pandolfi,Daniela Paoletti,Fabio Pasian,G. Patanchon,T. J. Pearson,Hiranya V. Peiris,O. Perdereau,L. Perotto,Francesca Perrotta,Valeria Pettorino,F. Piacentini,M. Piat,Elena Pierpaoli,Davide Pietrobon,Stéphane Plaszczynski,Etienne Pointecouteau,Etienne Pointecouteau,G. Polenta,G. Polenta,L. Popa,G. W. Pratt,G. Prézeau,Simon Prunet,J.-L. Puget,Jörg P. Rachen,Jörg P. Rachen,William T. Reach,Rafael Rebolo,Rafael Rebolo,M. Reinecke,Mathieu Remazeilles,Mathieu Remazeilles,Mathieu Remazeilles,C. Renault,A. Renzi,I. Ristorcelli,I. Ristorcelli,Graca Rocha,C. Rosset,M. Rossetti,M. Rossetti,G. Roudier,G. Roudier,G. Roudier,Michael Rowan-Robinson,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,Ben Rusholme,M. Sandri,D. Santos,M. Savelainen,M. Savelainen,Giorgio Savini,Douglas Scott,M. D. Seiffert,E. P. S. Shellard,Maresuke Shiraishi,Maresuke Shiraishi,Locke D. Spencer,V. Stolyarov,V. Stolyarov,V. Stolyarov,Radek Stompor,R. V. Sudiwala,R. A. Sunyaev,R. A. Sunyaev,D. Sutton,A.-S. Suur-Uski,A.-S. Suur-Uski,J.-F. Sygnet,J. A. Tauber,Luca Terenzi,Luca Terenzi,L. Toffolatti,L. Toffolatti,L. Toffolatti,M. Tomasi,M. Tomasi,Matthieu Tristram,Tiziana Trombetti,M. Tucci,J. Tuovinen,Luca Valenziano,Jussi Valiviita,Jussi Valiviita,B. Van Tent,P. Vielva,Fabrizio Villa,Lawrence A. Wade,Benjamin D. Wandelt,Benjamin D. Wandelt,Ingunn Kathrine Wehus,Ingunn Kathrine Wehus,Martin White,D. Yvon,Andrea Zacchei,J. P. Zibin,Andrea Zonca +324 more
TL;DR: In this article, the authors present the implications for cosmic inflation of the Planck measurements of the cosmic microwave background (CMB) anisotropies in both temperature and polarization based on the full Planck survey.
Planck 2015. XX. Constraints on inflation
P. A. R. Ade,F.-X. Désert,J. Knoche,M. Giard,X. Dupac,Michele Liguori,J. B. Kim,Sabino Matarrese,Zhiqi Huang,Pasquale Mazzotta,A. Coulais,K. M. Górski,J. González-Nuevo,M. Bucher,Martin Reinecke,S. Mitra,M. Tomasi,R. A. Sunyaev,Hans Ulrik Nørgaard-Nielsen,R. Leonardi,Peregrine McGehee,Calvin B. Netterfield,R. Paladini,William T. Reach,L. Perotto,E. Franceschi,G. Roudier,M. López-Caniego,F. Pajot,D. Santos,M. Rossetti,Jean-François Cardoso,Federico Nati,H. C. Chiang,Stéphane Plaszczynski,B. P. Crill,Jussi Tuovinen,M. Linden-Vørnle,S. Galeotta,Nicola Bartolo,Peter Meinhold,P. R. Christensen,Sophie Henrot-Versille,B. D. Wandelt,Steven Gratton,Lawrence A. Wade,Hannu Kurki-Suonio,Moritz Münchmeyer,B. Rusholme,Laura Bonavera,A. Mennella,Jose M. Diego,Miville-Deschenes,Jan Hamann,M. Sandri,James R. Fergusson,E. Battaner,J. P. Zibin,J. A. Tauber,Massimiliano Lattanzi,P. Natoli,François Levrier,J.-L. Puget,George Efstathiou,D. Paoletti,C. Combet,K. Benabed,J. Delabrouille,Julien Lesgourgues,B. Van Tent,Pierrick Martin,Anna Mangilli,D. Pietrobon,T. R. Jaffe,Sarah E. Church,Luca Valenziano,Davide Maino,Giorgio Savini,H. Dole,F. Perrotta,Fabio Pasian,M. Douspis,G. W. Pratt,G. Polenta,A. Zonca,O. Perdereau,Anna Bonaldi,F. Cuttaia,A. Moneti,Stéphane Colombi,E. Pointecouteau,Michael P. Hobson,I. K. Wehus,F. Piacentini,F. Villa,J.-M. Lamarre,Anne Lähteenmäki,Frederico Arroja,Dipak Munshi,R.-R. Chary,E. Martínez-González,P. B. Lilje,F. K. Hansen,A. Renzi,M. Arnaud,D. Molinari,A. Lewis,E. Hivon,R. D. Davies,A. Zacchei,V. Stolyarov,R. Stompor,K. Ganga,Rafael Rebolo,Mika Juvela,Silvia Galli,Daniel J. Mortlock,Carlo Baccigalupi,Elena Pierpaoli,Carol Anne Oxborrow,S. Pandolfi,Michael Rowan-Robinson,Aurélien Benoit,E. P. S. Shellard,F. Elsner,Y. Giraud-Héraud,H. V. Peiris,Mario Ballardini,M. Tristram,E. Gjerløw,L. Mendes,Charles R. Lawrence,D. L. Clements,T. Trombetti,M. Ashdown,V. Pettorino,A. Curto,A.-S. Suur-Uski,Anthony Challinor,Douglas Scott,Nazzareno Mandolesi,I. D. Novikov,C. Gauthier,Marco Bersanelli,R. B. Barreiro,Allan Hornstrup,L. Popa,G. Lagache,Jose Alberto Rubino-Martin,C. Hernández-Monteagudo,Theodore Kisner,W. A. Holmes,Gianmarco Maggio,Alessandro Melchiorri,A. Chamballu,Jörg P. Rachen,E. Keihänen,D. Hanson,M. Frailis,S. R. Hildebrandt,J. A. Murphy,Seiffert,G. de Zotti,M. Savelainen,Alessandro Gruppuso,Martin White,Andrei V. Frolov,S. Donzelli,A. Ducout,Mathieu Remazeilles,Locke D. Spencer,R. Kneissl,R. Keskitalo,W. C. Jones,J. F. Macías-Pérez,Fabio Finelli,L. P. L. Colombo,G. Rocha,F. Noviello,O. Doré,Carlo Burigana,L. Pagano,Jon E. Gudmundsson,Pavel D. Naselsky,M. Migliaccio,François R. Bouchet,D. Contreras,M. Kunz,T. J. Pearson,Philip Lubin,F. Paci,G. Prézeau,R. V. Sudiwala,D. Yvon,Dmitry Novikov,P. Bielewicz,G. Patanchon,D. L. Harrison,E. Calabrese,A. Moss,Anthony Lasenby,F. Boulanger,Simon Prunet,Luca Terenzi,F. Couchot,J.-P. Bernard,A. de Rosa,J. R. Bond,L. Danese,Andrew H. Jaffe,R. C. Butler,Silvia Masi,L. Toffolatti,J. Aumont,D. Herranz,Nabila Aghanim,H. K. Eriksen,A. Benoit-Lévy,D. Sutton,M. Tucci,A. Frejsel,Will Handley,Aurelien A. Fraisse,Maresuke Shiraishi,P. de Bernardis,Gianluca Morgante,Torsten A. Ensslin,Olivier Forni,C. Rosset,R. J. Davis,L. Montier,A. Catalano,J. Valiviita,C. Renault,M. Piat,J.-F. Sygnet,P. Vielva,I. Ristorcelli,A. J. Banday,J. Borrill,G. Hurier,Yin-Zhe Ma,W. Hovest,Kevin M. Huffenberger,A. Gregorio +244 more
Planck 2015 results - XVII. Constraints on primordial non-Gaussianity
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,Frederico Arroja,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,A. J. Banday,R. B. Barreiro,N. Bartolo,N. Bartolo,S. Basak,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,A. Benoit-Lévy,J.-P. Bernard,J.-P. Bernard,Marco Bersanelli,Marco Bersanelli,P. Bielewicz,P. Bielewicz,J. J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,Julian Borrill,François R. Bouchet,Francois Boulanger,M. Bucher,Carlo Burigana,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,Jean-François Cardoso,Jean-François Cardoso,A. Catalano,Anthony Challinor,A. Chamballu,A. Chamballu,A. Chamballu,H. C. Chiang,H. C. Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,L. P. L. Colombo,C. Combet,F. Couchot,A. Coulais,B. P. Crill,A. Curto,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,G. de Zotti,Jacques Delabrouille,F.-X. Désert,Jose M. Diego,H. Dole,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,F. Elsner,Torsten A. Enßlin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,Olivier Forni,M. Frailis,A. A. Fraisse,E. Franceschi,A. Frejsel,S. Galeotta,S. Galli,K. Ganga,C. Gauthier,C. Gauthier,Tuhin Ghosh,M. Giard,M. Giard,Y. Giraud-Héraud,E. Gjerløw,J. González-Nuevo,J. González-Nuevo,Krzysztof M. Gorski,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jon E. Gudmundsson,Jan Hamann,Jan Hamann,F. K. Hansen,Duncan Hanson,Duncan Hanson,Duncan Hanson,D. L. Harrison,Alan Heavens,George Helou,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes,Allan Hornstrup,W. Hovest,Zhiqi Huang,Kevin M. Huffenberger,G. Hurier,Andrew H. Jaffe,T. R. Jaffe,T. R. Jaffe,W. C. Jones,Mika Juvela,E. Keihänen,Reijo Keskitalo,J. B. Kim,Theodore Kisner,J. Knoche,Martin Kunz,Martin Kunz,Martin Kunz,Hannu Kurki-Suonio,F. Lacasa,F. Lacasa,Guilaine Lagache,Guilaine Lagache,Anne Lähteenmäki,Anne Lähteenmäki,J.-M. Lamarre,Anthony Lasenby,Massimiliano Lattanzi,Charles R. Lawrence,R. Leonardi,Julien Lesgourgues,Julien Lesgourgues,François Levrier,Antony Lewis,Michele Liguori,Michele Liguori,P. B. Lilje,M. Linden-Vørnle,M. López-Caniego,Philip Lubin,J. F. Macías-Pérez,G. Maggio,Davide Maino,Davide Maino,N. Mandolesi,N. Mandolesi,A. Mangilli,A. Mangilli,Domenico Marinucci,Michele Maris,Peter G. Martin,E. Martínez-González,Silvia Masi,Sabino Matarrese,Sabino Matarrese,P. M. McGehee,Peter Meinhold,Alessandro Melchiorri,L. Mendes,A. Mennella,A. Mennella,M. Migliaccio,Subhabrata Mitra,Subhabrata Mitra,M.-A. Miville-Deschênes,M.-A. Miville-Deschênes,A. Moneti,L. Montier,L. Montier,Gianluca Morgante,Daniel J. Mortlock,Adam Moss,Moritz Münchmeyer,Dipak Munshi,J. A. Murphy,Pavel Naselsky,Federico Nati,Paolo Natoli,Paolo Natoli,Paolo Natoli,Calvin B. Netterfield,Hans Ulrik Nørgaard-Nielsen,F. Noviello,Dmitry Novikov,I. D. Novikov,I. D. Novikov,Carol Anne Oxborrow,F. Paci,L. Pagano,F. Pajot,Daniela Paoletti,Fabio Pasian,G. Patanchon,Hiranya V. Peiris,O. Perdereau,L. Perotto,Francesca Perrotta,Valeria Pettorino,F. Piacentini,M. Piat,Elena Pierpaoli,Davide Pietrobon,Stéphane Plaszczynski,Etienne Pointecouteau,Etienne Pointecouteau,G. Polenta,L. Popa,G. W. Pratt,G. Prézeau,Simon Prunet,J.-L. Puget,Jörg P. Rachen,Jörg P. Rachen,B. Racine,Rafael Rebolo,Rafael Rebolo,M. Reinecke,Mathieu Remazeilles,Mathieu Remazeilles,Mathieu Remazeilles,C. Renault,A. Renzi,I. Ristorcelli,I. Ristorcelli,Graca Rocha,C. Rosset,M. Rossetti,M. Rossetti,G. Roudier,G. Roudier,G. Roudier,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,Ben Rusholme,M. Sandri,D. Santos,M. Savelainen,Giorgio Savini,Douglas Scott,M. D. Seiffert,E. P. S. Shellard,Maresuke Shiraishi,Maresuke Shiraishi,Kendrick M. Smith,Locke D. Spencer,V. Stolyarov,V. Stolyarov,V. Stolyarov,Radek Stompor,R. V. Sudiwala,R. A. Sunyaev,R. A. Sunyaev,Paul M. Sutter,D. Sutton,A.-S. Suur-Uski,J.-F. Sygnet,J. A. Tauber,Luca Terenzi,Luca Terenzi,L. Toffolatti,L. Toffolatti,L. Toffolatti,M. Tomasi,M. Tomasi,M. Tristram,A. Troja,M. Tucci,J. Tuovinen,Luca Valenziano,Jussi-Pekka Väliviita,B. Van Tent,P. Vielva,F. Villa,L. A. Wade,Benjamin D. Wandelt,Benjamin D. Wandelt,Ingunn Kathrine Wehus,Ingunn Kathrine Wehus,D. Yvon,Andrea Zacchei,Andrea Zonca +309 more
TL;DR: In this article, the Planck full mission cosmic microwave background (CMB) temperature and E-mode polarization maps are analysed to obtain constraints on primordial non-Gaussianity (NG).
Planck 2013 results. XXIV. Constraints on primordial non-Gaussianity
Peter A. R. Ade,Nabila Aghanim,C. Armitage-Caplan,Monique Arnaud,M. Ashdown,Fernando Atrio-Barandela,J. Aumont,Carlo Baccigalupi,A. J. Banday,A. J. Banday,R. B. Barreiro,James G. Bartlett,James G. Bartlett,Nicola Bartolo,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,A. Benoit-Lévy,J.-P. Bernard,J.-P. Bernard,Marco Bersanelli,Marco Bersanelli,P. Bielewicz,P. Bielewicz,P. Bielewicz,Jérôme Bobin,James J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,Julian Borrill,François R. Bouchet,M. Bridges,M. Bucher,Carlo Burigana,Carlo Burigana,R. C. Butler,Jean-François Cardoso,Jean-François Cardoso,Jean-François Cardoso,A. Catalano,A. Catalano,Anthony Challinor,A. Chamballu,A. Chamballu,A. Chamballu,H. C. Chiang,H. C. Chiang,Lung-Yih Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,L. P. L. Colombo,F. Couchot,A. Coulais,B. P. Crill,A. Curto,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,G. de Zotti,Jacques Delabrouille,J.-M. Delouis,F.-X. Désert,Jose M. Diego,H. Dole,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,Joanna Dunkley,X. Dupac,George Efstathiou,F. Elsner,Torsten A. Enßlin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,Olivier Forni,M. Frailis,E. Franceschi,S. Galeotta,K. Ganga,M. Giard,M. Giard,Y. Giraud-Héraud,J. González-Nuevo,J. González-Nuevo,Krzysztof M. Gorski,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,A. Gregorio,Alessandro Gruppuso,F. K. Hansen,Duncan Hanson,Duncan Hanson,Duncan Hanson,D. L. Harrison,Alan Heavens,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes,Allan Hornstrup,W. Hovest,Kevin M. Huffenberger,Andrew H. Jaffe,T. R. Jaffe,T. R. Jaffe,W. C. Jones,Mika Juvela,E. Keihänen,Reijo Keskitalo,Reijo Keskitalo,Theodore Kisner,J. Knoche,Lloyd Knox,Martin Kunz,Martin Kunz,Martin Kunz,Hannu Kurki-Suonio,Hannu Kurki-Suonio,F. Lacasa,Guilaine Lagache,Anne Lähteenmäki,Anne Lähteenmäki,J.-M. Lamarre,Anthony Lasenby,René J. Laureijs,Charles R. Lawrence,J. P. Leahy,R. Leonardi,Julien Lesgourgues,Julien Lesgourgues,Antony Lewis,Michele Liguori,P. B. Lilje,M. Linden-Vørnle,M. López-Caniego,Philip Lubin,J. F. Macías-Pérez,Bruno Maffei,Davide Maino,Davide Maino,N. Mandolesi,N. Mandolesi,N. Mandolesi,Anna Mangilli,Domenico Marinucci,M. Maris,D. J. Marshall,Peter G. Martin,E. Martínez-González,Silvia Masi,Marcella Massardi,Sabino Matarrese,F. Matthai,Pasquale Mazzotta,Peter Meinhold,Alessandro Melchiorri,L. Mendes,A. Mennella,A. Mennella,M. Migliaccio,Subhabrata Mitra,Subhabrata Mitra,M.-A. Miville-Deschênes,M.-A. Miville-Deschênes,A. Moneti,L. Montier,L. Montier,Gianluca Morgante,Daniel J. Mortlock,Adam Moss,Dipak Munshi,J. A. Murphy,Pavel Naselsky,Paolo Natoli,Paolo Natoli,Paolo Natoli,Calvin B. Netterfield,Hans Ulrik Nørgaard-Nielsen,F. Noviello,Dmitry Novikov,I. D. Novikov,S. Osborne,Carol Anne Oxborrow,F. Paci,L. Pagano,F. Pajot,Daniela Paoletti,F. Pasian,G. Patanchon,Hiranya V. Peiris,O. Perdereau,L. Perotto,Francesca Perrotta,F. Piacentini,M. Piat,E. Pierpaoli,Davide Pietrobon,Stéphane Plaszczynski,Etienne Pointecouteau,Etienne Pointecouteau,G. Polenta,G. Polenta,N. Ponthieu,N. Ponthieu,L. Popa,T. Poutanen,T. Poutanen,T. Poutanen,G. W. Pratt,G. Prézeau,Simon Prunet,J.-L. Puget,Jörg P. Rachen,Jörg P. Rachen,B. Racine,Rafael Rebolo,Rafael Rebolo,M. Reinecke,Mathieu Remazeilles,Mathieu Remazeilles,Mathieu Remazeilles,C. Renault,A. Renzi,S. Ricciardi,T. Riller,I. Ristorcelli,I. Ristorcelli,Graca Rocha,C. Rosset,G. Roudier,G. Roudier,G. Roudier,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,Ben Rusholme,M. Sandri,D. Santos,Giorgio Savini,Douglas Scott,Michael Seiffert,E. P. S. Shellard,Kendrick M. Smith,Locke D. Spencer,Jean-Luc Starck,V. Stolyarov,V. Stolyarov,Radek Stompor,R. V. Sudiwala,R. A. Sunyaev,R. A. Sunyaev,F. Sureau,Paul M. Sutter,D. Sutton,A.-S. Suur-Uski,A.-S. Suur-Uski,J.-F. Sygnet,J. A. Tauber,D. Tavagnacco,D. Tavagnacco,Luca Terenzi,L. Toffolatti,L. Toffolatti,M. Tomasi,M. Tristram,M. Tucci,M. Tucci,J. Tuovinen,Luca Valenziano,Jussi-Pekka Väliviita,Jussi-Pekka Väliviita,Jussi-Pekka Väliviita,B. Van Tent,Jussi Varis,P. Vielva,Fabrizio Villa,Nicola Vittorio,L. A. Wade,Benjamin D. Wandelt,Benjamin D. Wandelt,Martin White,Simon D. M. White,D. Yvon,Andrea Zacchei,Andrea Zonca +302 more
TL;DR: The Planck nominal mission cosmic microwave background (CMB) maps yield unprecedented constraints on primordial non-Gaussianity (NG) using three optimal bispectrum estimators, separable template-fitting (KSW), binned, and modal as discussed by the authors.
References
Non-Gaussian features of primordial fluctuations in single field inflationary models
TL;DR: In this article, the three point correlation functions for primordial scalar and tensor fluctuations in single field inflationary models were computed in the slow roll limit, where the answer is given terms of the two usual slow roll parameters.
3.8K
Gauge Invariant Cosmological Perturbations
TL;DR: The physical interpretation of perturbations of homogeneous, isotropic cosmological models in the early Universe, when the perturbation is larger than the particle horizon, is clarified by defining a complete set of gauge-invariant variables as discussed by the authors.
2.8K
Acoustic signatures in the primary microwave background bispectrum
TL;DR: In this paper, the angular bispectrum of the primary CMB anisotropy was used to estimate the expected signal-to-noise ratio for COBE, MAP, and Planck experiments.
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Scalar speed limits and cosmology: Acceleration from D-cceleration
Eva Silverstein,David Tong +1 more
TL;DR: In this paper, the authors analyze the motion of a rolling scalar field explicitly in the strong coupling regime of the field theory, and extend the analysis to cosmological systems obtained by coupling this type of field theory to four dimensional gravity.
First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: Tests of Gaussianity
Eiichiro Komatsu,Alan J. Kogut,M. R. Nolta,Charles L. Bennett,Mark Halpern,Gary Hinshaw,N. Jarosik,Michele Limon,Michele Limon,S. S. Meyer,Lyman A. Page,David N. Spergel,Gregory S. Tucker,Gregory S. Tucker,Gregory S. Tucker,Licia Verde,Edward J. Wollack,Edward L. Wright +17 more
TL;DR: In this article, the amplitude of non-Gaussian primordial fluctuations in the WMAP 1 yr cosmic microwave background sky maps has been investigated and limits on the amplitude are established, -58 < fNL < 134 at 95% confidence.