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Yashar Akrami
Researcher at École Normale Supérieure
Publications - 119
Citations - 23365
Yashar Akrami is an academic researcher from École Normale Supérieure. The author has contributed to research in topics: Cosmic microwave background & Planck. The author has an hindex of 49, co-authored 103 publications receiving 15346 citations. Previous affiliations of Yashar Akrami include University of Paris & Stockholm University.
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A spectre is haunting the cosmos: Quantum stability of massive gravity with ghosts
TL;DR: In this paper, a model that describes a massive graviton together with a remaining Boulware-Deser ghost mode was analyzed and it was shown that even ghostly theories of modified gravity can yield models that are viable at both classical and quantum levels and therefore they should not be ruled out.
Journal ArticleDOI
How well will ton-scale dark matter direct detection experiments constrain minimal supersymmetry?
TL;DR: In this article, the authors examined the prospects for further constraining the Constrained Minimal Supersymmetric Standard Model (CMSSM) with future ton-scale direct detection experiments.
Journal ArticleDOI
Euclid preparation. XXIX. Forecasts for ten different higher-order weak lensing statistics
Euclid Collaboration V. Ajani,Marco Baldi,Alexandre Barthelemy,Aoife Boyle,Pierre Burger,Vincenzo Carbone,Sihao Cheng,Sandrine Codis,Carlo Giocoli,J. Harnois-D'eraps,Sven Heydenreich,Vanshika Kansal,Martin Kilbinger,Laila Linke,Claudio Llinares,N. Martinet,Carolina Parroni,Austin Peel,Sandrine Pires,Lucas Porth,Ismael Tereno,Cora Uhlemann,Martina Vicinanza,Sergio Vinciguerra,Nabila Aghanim,Natalia Auricchio,D. Bonino,P. Branchini,Massimo Brescia,Jarle Brinchmann,Stefano Camera,V. Capobianco,Carmelita Carbone,J. Carretero,Francisco J. Castander,Marco Castellano,Stefano Cavuoti,Andrea Cimatti,R. Cledassou,G. Congedo,Christopher J. Conselice,Luca Conversi,Leonardo Corcione,Frederic Courbin,Matthew M. Cropper,A Da Silva,H. Degaudenzi,A. M. di Giorgio,João Dinis,Marian Douspis,F. Dubath,X. Dupac,S. Farrens,Sylvain Ferriol,Pablo Fosalba,M. Frailis,E. Franceschi,S. Galeotta,B. Garilli,B. Gillis,Andrea Grazian,Frank Grupp,Harald Hoekstra,W. Holmes,Allan Hornstrup,P. Hudelot,Knud Jahnke,Murzy D. Jhabvala,M. Kummel,Thomas D. Kitching,Martin Kunz,Hannu Kurki-Suonio,P. B. Lilje,Ivan Lloro,Elena Maiorano,Oriana Mansutti,Ole Marggraf,Katarina Markovic,Federico Marulli,Richard Massey,Shao Mei,Yannick Mellier,Massimo Meneghetti,Michele Ennio Maria Moresco,Lauro Moscardini,Sami Niemi,J. Nightingale,Teake A. Nutma,C. Padilla,Stéphane Paltani,Kristian Pedersen,Valeria Pettorino,G. Polenta,M. Poncet,L. Popa,F. Raison,A. Renzi,Jason Rhodes,Giuseppe Riccio,E. Romelli,Mauro Roncarelli,Emanuel Rossetti,Roberto P. Saglia,Domenico Sapone,Barbara Sartoris,P. Schneider,Tim Schrabback,A. Secroun,Gregor Seidel,S. Serrano,Chiara Sirignano,Luca Stanco,J. Stark,P. Tallada-Cresp'i,A. N. Taylor,Rafael Toledo-Moreo,F. Torradeflot,Isaac Tutusaus,Edwin A. Valentijn,Luca Valenziano,T. Vassallo,Yu Wang,Jochen Weller,G. Zamorani,Julien Zoubian,Stefano Andreon,S. Bardelli,A. Boucaud,Enrico Bozzo,C. Colodro-Conde,D. Di Ferdinando,Giulio Fabbian,M. Farina,J. Graci'a-Carpio,E. Keihanen,V. Lindholm,Davide Maino,N. Mauri,C. Neissner,Mischa Schirmer,V. Scottez,E. Zucca,Yashar Akrami,Carlo Baccigalupi,A. Balaguera-Antol'inez,Mario Ballardini,Francis Bernardeau,Andrea Biviano,Alain Blanchard,Stefano Borgani,Alejandro Borlaff,Carlo Burigana,R. Cabanac,A. Cappi,C. S. Carvalho,S. Casas,Gianluca Castignani,Tiago Castro,K. C. Chambers,Asantha Cooray,Jean Coupon,Hélène M. Courtois,Simonella Davini,S. Della Torre,Gabriella De Lucia,Guillaume Desprez,H. Dole,J. A. Escartín,Stephanie Escoffier,I. Ferrero,Fabio Finelli,K. Ganga,Juan Garcia-Bellido,Kevin W. George,Folco Giacomini,Ghassem Gozaliasl,Hendrik Hildebrandt,Ava J. Munoz,Benjamin Joachimi,Jari J. E. Kajava,C. C. Kirkpatrick,Lea Legrand,Arthur Loureiro,Manuela Magliocchetti,R. Maoli,Stopa Marcin,M. Martinelli,Carlos Martins,Shibu K. Matthew,Loïc Maurin,R. Benton Metcalf,Pierluigi Monaco,Gianluca Morgante,Seshadri Nadathur,A. A. Nucita,Victor Popa,Doug Potter,Alkistis Pourtsidou,Michele Pontinen,Paulo H. F. Reimberg,A. S'anchez,Z. Sakr,Andrew Schneider,Emiliano Sefusatti,Mauro Sereno,A. Shulevski,Alessio Spurio Mancini,Jörg Steinwagner,Romain Teyssier,Jussi Valiviita,Alfonso Veropalumbo,Matteo Viel,I. -. Paris-Saclay,Universit'e de Paris Cit'e,Cea,Cnrs,Astrophysique,Instrumentation et Mod'elisation Paris-Saclay,91191 Gif-sur-Yvette,France.,Institute for Particle Physics,Astrophysics,D. Physics,E. Zurich,27 Wolfgang-Pauli-Strasse,Switzerland,Italy.,I. A. D. Bologna,V. G. 933,I. Bologna,62 vialeBertiPichat,U. Observatory,F. O. Physics,Ludwig-Maximilians-Universität,1. Scheinerstr.,81679 Munich,German,Aim,U. Paris-Saclay,Universités Paris,Argelander Institut fuer Astronomie,U. Bonn,71 AufdemHugel,53121 Bonn,Infn Roma,Piazzale Aldo Moro,2. -. C. D. D. Fisica,E Marconi,I. Roma,33 viaFrascati,00078 Monte Porzio Catone,J. Baltimore,MD 21218,Usa,S. O. Mathematics,Statistics,Physics,N. University,Herschel Building,Newcastle-upon-Tyne.,NE1 7RU,Uk,D. D. F'isica,Faculdade de Ciências,Universidade de Lisboa,C8 Edif'icio,Campo Grande,P Lisboa,Portugal,I. D. A. E. C. D. Espacco,Tapada da Ajuda,1049-001 Lisboa,A. Universit'e,Cnes,Lam,Marseille,I. O. Physics,L. O. Astrophysics,E. P. F. Lausanne,Observatoire de Sauverny,1290 Versoix,Dipartimento Fisica,S Roma,2. PiazzaleAldoMoro,I. D. Spatiale,91405,Orsay,I. Torino,20 viaOsservatorio,1. P. Torinese,Universita' di Genova,33 viaDodecaneso,16146,Genova,I. R. Tre,84 viadellaVascaNavale,00146,Roma,Department of PhysicsE. Pancini,U. Federico,6. ViaCinthia,80126,Napoli,U. Porto,Caup,Rua das Estrelas,P. Porto,U. Torino,1. ViaP.Giuria,10125 Torino,Infn Sezione di Torino,Inaf-Iasf Milano,12 ViaAlfonsoCorti,20133 Milano,Institut de F'isica d'Altes Energies,T. Science,Technology,Campus Uab,08193 Bellaterra,Spain.,Port d'Informaci'o Cient'ifica,Christie Sn,Institut d'Estudis Espacials de Catalunya,Carrer Gran Capit'a 2-4,08193 Barcelona,Institute for Space Sciences,Carrer de Can Magrans,sn.,I. A. D. Capodimonte,16 viaMoiariello,80131 Napoli,Infn section of Naples,D Bologna,Centre National d'Etudes Spatiales,Toulouse,Institut national de physique nucl'eaire et de physique des particules,3. R. Michel-Ange,16 75794ParisC'edex,Institute for Astronomy,U Edinburgh,R. Observatory,Blackford Hill,Edinburgh EH9 3HJ,J. B. C. F. Astrophysics,Astronomy,U Manchester,Oxford Road,M13 9PL,Esacesa,Camino Bajo de Castillo,Urb. Villafranca del Castillo,28692 Villanueva de la Canada,Madrid,European Space AgencyESRIN,1. LargoGalileoGalilei,00044 Frascati,Mullard Space Science Laboratory,University College London,H. Mary,Dorking,Surrey RH5 6NT,D. Astronomy,Universityof Geneva,16 ch.d'Ecogia,I. D. A. E. P. Spaziali,V. Cavaliere,100,U. Lyon,1. UnivClaudeBernardLyon,CNRSIN2p3,Ipn Lyon,Umr 5822,69622,Villeurbanne,Inaf Trieste,11 ViaG.B.Tiepolo,I. Padova,5. Viadell'Osservatorio,35131 Padova,M. F. Physics,1. Giessenbachstr.,85748 Garching,Universitats-Sternwarte Munchen,Fakultät Physik,Ludwig-Maximilians-Universitat Munchen,1. Scheinerstrasse,8. Munchen,L. Observatory,Leiden University,2. NielsBohrweg,2333 CA Leiden,The Netherlands.,J. P. Laboratory,California Institute of Technology.,4800 Oak Grove Drive,Pasadena,Ca,91109,Technical University of Denmark,Elektrovej 327,2800 Kgs. Lyngby,Denmark,Cosmic Dawn Center,I. Paris,98 bis boulevard Arago,75014,Paris,M. F. Astronomie,17 Konigstuhl,69117 Heidelberg,Nasa Goddard Space Flight Center,Greenbelt,MD 20771,Universitéde Genève,D'epartement de Physique Th'eorique,Centre for Theoretical Physics,24 quai Ernest-Ansermet,4. CH-1211Geneve,64 P.O.Box,00014 University of Helsinki,Finland,Helsinki Institute of Physics,2. GustafHallstrominkatu,U Helsinki,Helsinki,Institute of Theoretical Astrophysics,Universityof Oslo,P. O. B. 1. Blindern,0315 Oslo,Norway,Nova Optical IR Instrumentation Group at Astron,4. OudeHoogeveensedijk,7991PD,Dwingeloo,Institute for Computational Cosmology,D. University,Southmead Road,DH1 3LE,Astroparticule et Cosmologie,Umr 7095,Sorbonne Universit'e,European Space AgencyESTEC,1. Keplerlaan,2. Noordwijk,K. Institute,U. Groningen,PO Box 800,9700 AV Groningen,U Aarhus,Ny Munkegade 120,C. DK-8000Aarhus,Space Science Data Center,Italian Space Agency,via del Politecnico snc,00133 Roma,Institute of Computer Science,Bucharest,077125,Romania,Dipartimento di Fisica e AstronomiaG.Galilei,Universitadi Padova,8. viaMarzolo,INFN-Padova,U. Bologna,V. G. 932,Fcfm,U. D. Chile,Blanco Encalada 2008,Santiago,Chile,Institut fur Astro- und Teilchenphysik,U. Innsbruck,Technikerstr. 258,6200 Innsbruck,Austria,Cppm,Institut de Ciencies de l'Espai,sn Cerdanyola del Vall'es,Centro de Investigaciones Energ'eticas,Medioambientales y Tecnol'ogicas,40 AvenidaComplutense,28014 Madrid,U. P. Cartagena,D. D. E. Y. T. D. Computadoras,30202 Cartagena,Institut de Recherche en Astrophysique et Plan'etologie,Universitede Toulouse,Ups,14 Avenue Edouard Belin,31400 Toulouse,Infrared Processing,Analysis Center,CA 91125,I. Brera,28 ViaBrera,Instituto de Astrof'isica de Canarias,C. V. L. sn,38204,Sonia Laguna,Tenerife,Center for Computational Astrophysics,F. Institute,140 West 18th Avenue,10010,N. York,Ny,S. O. Physics,Cardiff University,The Parade,Cardiff,CF24 3AA,Dipartimento di FisicaAldo Pontremoli,U. D. S. D. Milano,16 viaCeloria,Infn Milano,Junia,Epa department,59000 Lille,Instituto de F'isica Te'orica UAM-CSIC,Campus de Cantoblanco,Cercaiso,Case Western Reserve University,10900 Euclid Avenue,Cleveland,OH 44106,L. D. P. D. L. N. Sup'erieure,Ens,Universit'e Psl,Observatoire de Paris,Lerma,7. Paris,A. Group,B. Laboratory,I. -. London,London SW7 2AZ,Sissa,International School for Advanced Studies,Via Bonomea 265,TS 34136Trieste,Ifpu,Institute for Fundamental Physics of the Universe,2. viaBeirut,Infn,Sezione di Trieste,2. ViaValerio,TS 34127Trieste,D. D. Astrof'isica,U. L. Laguna,38206,La Laguna,Dipartimento di scienze della Terra,U Ferrara,1. ViaGiuseppeSaragat,44122 Ferrara,Ist. Nazionale di Fisica Nucleare,Sezione di Ferrara,Institut de Physique Th'eorique,Universit'e Paris-Saclay 91191 Gif-sur-Yvette Cedex,Dipartimento di Astronomia,U. Trieste,11 ViaTiepolo,34127 Trieste,N. R. Center,Moffet Field,CA 94035,-INAF,Istituto di Radioastronomia,V. G. 101,INFN-Bologna,46 ViaIrnerio,40129 Bologna,Universit'e Cote d'Azur,Observatoire de la Côte d'Azur,Laboratoire Lagrange,Bd de l'Observatoire,CS 34229,4. 06304Nicecedex,Cosmology,R. University,52056 Aachen,Universityof Hawaii,2680 Woodlawn Drive,Honolulu,HI 96822,University of California Irvine,Irvine CA 92697,1. UCBLyon,Iuf,I. Genova,D. Physics,Institute for Computational Astrophysics,Saint Mary's University,923 Robie Street,Halifax,Nova Scotia,B3H 3C3,Canada,Ruhr-University Bochum,A. Institute,German Centre for Cosmological Lensing,44801 Bochum,University Grenoble Alpes,Grenoble Inp,LPSC-IN2P3,53,Avenue des Martyrs,38000,Grenoble,Gower Street,London WC1E 6BT,5. Vesilinnantie,20014 University of Turku,University of Chinese Academy of Sciences,Arts of Northwestern Switzerland,School of Electrical Engineering,5210 Windisch,Centro de Astrof'isica da Universidade do Porto,4169-007 Porto,Institute of Cosmology,Gravitation,U. Portsmouth,PO1 3FX,Departmento Mathematics,Physics E. De Giorgi,University of Salento,Via per Arnesano,CP-I93,73100,Lecce,Sezione di Lecce,CP-193,INAF-Sezione di Lecce,Condición Física,Institute for Computational Science,U. Zurich,Winterthurerstrasse 190,8093 Zurich,Higgs Centre for Theoretical Physics,The University of Edinburgh,Edinburgh EH9 3FD,Universit'e St Joseph,Faculty of Nuclear Sciences,Beirut,Lebanon,I. Physik,UniversityHospital Heidelberg,16 Philosophenweg,Department of Astrophysical Sciences,Peyton Hall,P. University,Princeton,NJ 08544 +651 more
TL;DR: Higher-order statistics (HOS) developed by independent teams now outperform standard two-point estimators in terms of statistical precision thanks to their sensitivity to the non-Gaussian features of large-scale structure as discussed by the authors .
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Ultra-large-scale approximations and galaxy clustering: debiasing constraints on cosmological parameters
TL;DR: In this article, a debiasing method is proposed to recover true cosmologies without running the full parameter estimation pipeline with exact theoretical calculations, which can therefore provide a fast way of obtaining accurate values of cosmological parameters and estimates of exact posterior probability distributions from ultra-large scale observations.
Journal ArticleDOI
On nonlocally interacting metrics, and a simple proposal for cosmic acceleration
TL;DR: In this paper, a nonlocal modification to general relativity (GR) on large scales was proposed, which provides a model of late-time cosmic acceleration in the absence of the cosmological constant and with the same number of free parameters as in standard cosmology.