Dr Jan Hamann

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I am a theoretical physicist. More specifically, my expertise is in the field of cosmology, and most of my research revolves around using a variety of high-precision astrophysical observations to look for clues that help us better understand the history, composition and origin of our Universe.

Location

Old Main Building G61E

Journal articles | 2024

Deshpande M; Hamann J; Sengupta D; White M; Williams AG; Wong YYY, 2024, 'Revisiting cosmological constraints on supersymmetric SuperWIMPs', European Physical Journal C, 84,

Journal articles | 2024

Hamann J; Kang Y, 2024, 'A Minkowski functional analysis of the Cosmic Microwave Background weak lensing convergence', Journal of Cosmology and Astroparticle Physics, 2024,

Journal articles | 2024

Hamann J; Le Gia QT; Sloan IH; Womersley RS, 2024, 'Removing the mask—reconstructing a real-valued field on the sphere from a masked field by spherical fourier analysis', SIAM Journal on Imaging Sciences, 17, pp. 1820 - 1843,

Journal articles | 2024

Yi K; Fan Y; Hamann J; Liò P; Wang YG, 2024, 'ABCMB: deep delensing assisted likelihood-free inference from CMB polarization maps', Machine Learning Science and Technology, 5,

Journal articles | 2023

Wons J; Dimastrogiovanni E; Fasiello M; Hamann J; Johnson MC, 2023, 'Enhancing bispectrum estimators for galaxy redshift surveys with velocities', Physical Review D, 108,

Journal articles | 2022

Hamann J; Malhotra A, 2022, 'Constraining primordial tensor features with the anisotropies of the cosmic microwave background', Journal of Cosmology and Astroparticle Physics, 2022,

Journal articles | 2022

Hamann J; Wons J, 2022, 'Optimising inflationary features the Bayesian way', Journal of Cosmology and Astroparticle Physics, 2022,

Journal articles | 2021

Aghanim N; Akrami Y; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Battye R; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Carron J; Challinor A; Chiang HC; Chluba J; Colombo LPL; Combet C; Contreras D; Crill BP; Cuttaia F; De Bernardis P; De Zotti G; Delabrouille J; Delouis JM; DI Valentino E; DIego JM; Doré O; Douspis M; Ducout A; Dupac X; Dusini S; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Farhang M; Fergusson J; Fernandez-Cobos R; Finelli F; Forastieri F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hildebrandt SR; Hivon E; Huang Z; Jaffe AH; Jones WC; Karakci A; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Kisner TS; Knox L; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Lemos P; Lesgourgues J; Levrier F; Lewis A; Liguori M, 2021, 'Erratum: Planck 2018 results: VI. Cosmological parameters (Astronomy and Astrophysics (2020) 641 (A6) DOI: 10.1051/0004-6361/201833910)', Astronomy and Astrophysics, 652,

Journal articles | 2021

Hamann J; Le Gia QT; Sloan IH; Wang YG; Womersley RS, 2021, 'A new probe of Gaussianity and isotropy with application to cosmic microwave background maps', International Journal of Modern Physics C, 32,

Journal articles | 2020

Aghanim N; Akrami Y; Arroja F; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Battye R; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Carron J; Casaponsa B; Challinor A; Chiang HC; Colombo LPL; Combet C; Contreras D; Crill BP; Cuttaia F; De Bernardis P; De Zotti G; Delabrouille J; Delouis JM; Désert FX; Di Valentino E; Dickinson C; Diego JM; Donzelli S; Doré O; Douspis M; Ducout A; Dupac X; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Falgarone E; Fantaye Y; Fergusson J; Fernandez-Cobos R; Finelli F; Forastieri F; Frailis M; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Helou G; Herranz D; Hildebrandt SR; Hivon E; Huang Z; Jaffe AH; Jones WC; Karakci A; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Kisner TS; Knox L; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Langer M; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Leahy JP, 2020, 'Planck 2018 results: I. Overview and the cosmological legacy of Planck', Astronomy and Astrophysics, 641,

Journal articles | 2020

Aghanim N; Akrami Y; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Battye R; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Carron J; Challinor A; Chiang HC; Chluba J; Colombo LPL; Combet C; Contreras D; Crill BP; Cuttaia F; De Bernardis P; De Zotti G; Delabrouille J; Delouis JM; Di Valentino E; Diego JM; Doré O; Douspis M; Ducout A; Dupac X; Dusini S; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Farhang M; Fergusson J; Fernandez-Cobos R; Finelli F; Forastieri F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hildebrandt SR; Hivon E; Huang Z; Jaffe AH; Jones WC; Karakci A; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Kisner TS; Knox L; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Lemos P; Lesgourgues J; Levrier F; Lewis A; Liguori M, 2020, 'Planck 2018 results: VI. Cosmological parameters', Astronomy and Astrophysics, 641,

Journal articles | 2020

Aghanim N; Akrami Y; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Carron J; Casaponsa B; Challinor A; Chiang HC; Colombo LPL; Combet C; Crill BP; Cuttaia F; De Bernardis P; De Rosa A; De Zotti G; Delabrouille J; Delouis JM; Di Valentino E; Diego JM; Doré O; Douspis M; Ducout A; Dupac X; Dusini S; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Fernandez-Cobos R; Finelli F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; Giraud-Héraud Y; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hivon E; Huang Z; Jaffe AH; Jones WC; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Kisner TS; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Levrier F; Lewis A; Liguori M; Lilje PB; Lilley M; Lindholm V; López-Caniego M; Lubin PM; Ma YZ; Maciás-Pérez JF; Maggio G, 2020, 'Planck 2018 results: V. CMB power spectra and likelihoods', Astronomy and Astrophysics, 641,

Journal articles | 2020

Aghanim N; Akrami Y; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Calabrese E; Cardoso JF; Carron J; Challinor A; Chiang HC; Colombo LPL; Combet C; Crill BP; Cuttaia F; De Bernardis P; De Zotti G; Delabrouille J; Di Valentino E; Diego JM; Doré O; Douspis M; Ducout A; Dupac X; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Fernandez-Cobos R; Finelli F; Forastieri F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hivon E; Huang Z; Jaffe AH; Jones WC; Karakci A; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Knox L; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Levrier F; Lewis A; Liguori M; Lilje PB; Lindholm V; López-Caniego M; Lubin PM; Ma YZ; Maciás-Pérez JF; Maggio G; Maino D; Mandolesi N; Mangilli A; Marcos-Caballero A; Maris M, 2020, 'Planck 2018 results: VIII. Gravitational lensing', Astronomy and Astrophysics, 641,

Journal articles | 2020

Akrami Y; Arroja F; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Carron J; Challinor A; Chiang HC; Colombo LPL; Combet C; Contreras D; Crill BP; Cuttaia F; De Bernardis P; De Zotti G; Delabrouille J; Delouis JM; Di Valentino E; Diego JM; Donzelli S; Doré O; Douspis M; Ducout A; Dupac X; Dusini S; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Fergusson J; Fernandez-Cobos R; Finelli F; Forastieri F; Frailis M; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Gauthier C; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hivon E; Hooper DC; Huang Z; Jaffe AH; Jones WC; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Kisner TS; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Lesgourgues J; Levrier F; Lewis A; Liguori M; Lilje PB; Lindholm V; López-Caniego M; Lubin PM; Ma YZ, 2020, 'Planck 2018 results: X. Constraints on inflation', Astronomy and Astrophysics, 641,

Journal articles | 2020

Akrami Y; Arroja F; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Benabed K; Bernard JP; Bersanelli M; Bielewicz P; Bond JR; Borrill J; Bouchet FR; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Casaponsa B; Challinor A; Chiang HC; Colombo LPL; Combet C; Crill BP; Cuttaia F; De Bernardis P; De Rosa A; De Zotti G; Delabrouille J; Delouis JM; Di Valentino E; Diego JM; Doré O; Douspis M; Ducout A; Dupac X; Dusini S; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Fergusson J; Fernandez-Cobos R; Finelli F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; González-Nuevo J; Górski KM; Gratton S; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hivon E; Huang Z; Jaffe AH; Jones WC; Jung G; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Levrier F; Lewis A; Liguori M; Lilje PB; Lindholm V; López-Caniego M; Ma YZ; Maciás-Pérez JF; Maggio G; Maino D; Mandolesi N; Marcos-Caballero A; Maris M; Martin PG; Martínez-González E; Matarrese S, 2020, 'Planck 2018 results: IX. Constraints on primordial non-Gaussianity', Astronomy and Astrophysics, 641,

Journal articles | 2020

Akrami Y; Ashdown M; Aumont J; Baccigalupi C; Ballardini M; Banday AJ; Barreiro RB; Bartolo N; Basak S; Benabed K; Bersanelli M; Bielewicz P; Bock JJ; Bond JR; Borrill J; Bouchet FR; Boulanger F; Bucher M; Burigana C; Butler RC; Calabrese E; Cardoso JF; Casaponsa B; Chiang HC; Colombo LPL; Combet C; Contreras D; Crill BP; De Bernardis P; De Zotti G; Delabrouille J; Delouis JM; Di Valentino E; Diego JM; Doré O; Douspis M; Ducout A; Dupac X; Efstathiou G; Elsner F; Enßlin TA; Eriksen HK; Fantaye Y; Fernandez-Cobos R; Finelli F; Frailis M; Fraisse AA; Franceschi E; Frolov A; Galeotta S; Galli S; Ganga K; Génova-Santos RT; Gerbino M; Ghosh T; González-Nuevo J; Górski KM; Gruppuso A; Gudmundsson JE; Hamann J; Handley W; Hansen FK; Herranz D; Hivon E; Huang Z; Jaffe AH; Jones WC; Keihänen E; Keskitalo R; Kiiveri K; Kim J; Krachmalnicoff N; Kunz M; Kurki-Suonio H; Lagache G; Lamarre JM; Lasenby A; Lattanzi M; Lawrence CR; Le Jeune M; Levrier F; Liguori M; Lilje PB; Lindholm V; López-Caniego M; Ma YZ; Maciás-Pérez JF; Maggio G; Maino D; Mandolesi N; Mangilli A; Marcos-Caballero A; Maris M; Martin PG; Martínez-González E; Matarrese S; Mauri N; McEwen JD; Meinhold PR; Mennella A, 2020, 'Planck 2018 results: VII. Isotropy and statistics of the CMB', Astronomy and Astrophysics, 641,

Journal articles | 2020

Yi K; Guo Y; Fan Y; Hamann J; Wang YG, 2020, 'Cosmo VAE: Variational Autoencoder for CMB Image Inpainting', Proceedings of the International Joint Conference on Neural Networks,

Journal articles | 2020

Yi K; Guo Y; Hamann J; Fan Y; Wang Y, 2020, 'CosmoVAE: Variational Autoencoder for CMB Image Inpainting', IEEE Proceedings of the International Joint Conference on Neural Networks (IJCNN)

Journal articles | 2019

Poulter H; Ali-Haïmoud Y; Hamann J; White M; Williams AG, 2019, 'CMB constraints on ultra-light primordial black holes with extended mass distributions', ,

Journal articles | 2017

Aghamousa A; Hamann J; Shafieloo A, 2017, 'A non-parametric consistency test of the ΛCDM model with Planck CMB data', Journal of Cosmology and Astroparticle Physics, 2017, pp. 031 - 031,

Journal articles | 2017

Drewes M; Hamann J, 2017, 'A White Paper on keV Sterile Neutrino Dark Matter', Journal of Cosmology and Astroparticle Physics, 1701, pp. 025 - 025,

Journal articles | 2016

Adam R; others ; Hamann J, 2016, 'Planck 2015 results. I. Overview of products and scientific results', Astron. Astrophys., 594, pp. A1 - A1,

Journal articles | 2016

Ade PAR; others ; Hamann J, 2016, 'Planck 2015 results XVII. Constraints on primordial non-Gaussianity', Astron. Astrophys., 594, pp. A17 - A17,

Journal articles | 2016

Ade PAR; others ; Hamann J, 2016, 'Planck 2015 results. XIII. Cosmological parameters', Astron. Astrophys., 594, pp. A13 - A13,

Journal articles | 2016

Ade PAR; others ; Hamann J, 2016, 'Planck 2015 results. XX. Constraints on inflation', Astronomy & Astrophysics, 594, pp. A20 - A20,

Journal articles | 2016

Aghanim N; others ; Hamann J, 2016, 'Planck 2015 results. XI. CMB power spectra, likelihoods, and robustness of parameters', Astron. Astrophys., 594, pp. A11 - A11,

Journal articles | 2016

Xu Y; Hamann J; Chen X, 2016, 'Precise measurements of inflationary features with 21 cm observations', Phys. Rev., D94, pp. 123518 - 123518,

Journal articles | 2015

Archidiacono M; Basse T; Hamann J; Hannestad S; Raffelt G; Wong YYY, 2015, 'Future cosmological sensitivity for hot dark matter axions', JCAP, 1505, pp. 050 - 050,

Journal articles | 2015

Archidiacono M; Basse T; Hamann J; Hannestad S; Raffelt G; Wong YYY, 2015, 'Future cosmological sensitivity for hot dark matter axions', JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,

Journal articles | 2015

Basse T; Hamann J; Hannestad S; Wong YYY, 2015, 'Getting leverage on inflation with a large photometric redshift survey', JCAP, 1506, pp. 042 - 042,

Journal articles | 2015

Chluba J; Hamann J; Patil SP, 2015, 'Features and New Physical Scales in Primordial Observables: Theory and Observation', Int. J. Mod. Phys., D24, pp. 1530023 - 1530023,

Journal articles | 2014

Ade PAR; others , 2014, 'Planck 2013 results. I. Overview of products and scientific results', Astron. Astrophys., 571, pp. A1 - A1,

Journal articles | 2014

Ade PAR; others , 2014, 'Planck 2013 results. XVI. Cosmological parameters', Astron. Astrophys., 571, pp. A16 - A16,

Journal articles | 2014

Ade PAR; others , 2014, 'Planck 2013 results. XXII. Constraints on inflation', Astron. Astrophys., 571, pp. A22 - A22,

Journal articles | 2014

Basse T; Bjaelde OE; Hamann J; Hannestad S; Wong YYY, 2014, 'Dark energy properties from large future galaxy surveys', JCAP, 1405, pp. 021 - 021,

Journal articles | 2014

Hannestad S; Hamann J; Wong YYY, 2014, 'Current and future constraints on neutrino physics from cosmology', J. Phys. Conf. Ser., 485, pp. 012008 - 012008,

Journal articles | 2013

Hamann J; Hasenkamp J, 2013, 'A new life for sterile neutrinos: resolving inconsistencies using hot dark matter', JCAP, 1310, pp. 044 - 044,

Journal articles | 2012

Abazajian KN; others , 2012, 'Light Sterile Neutrinos: A White Paper', Light Sterile Neutrinos: A White Paper

Journal articles | 2012

Arina C; Hamann J; Trotta R; Wong YYY, 2012, 'Evidence for dark matter modulation in CoGeNT', JCAP, 1203, pp. 008 - 008,

Journal articles | 2012

Hamann J; Hannestad S; Raffelt GG; Tamborra I; Wong YYY, 2012, 'Sterile neutrino constraints from cosmology', J. Phys. Conf. Ser., 375, pp. 032003 - 032003,

Journal articles | 2012

Hamann J; Hannestad S; Wong YYY, 2012, 'Measuring neutrino masses with a future galaxy survey', JCAP, 1211, pp. 052 - 052,

Journal articles | 2012

Hamann J, 2012, 'Evidence for extra radiation? Profile likelihood versus Bayesian posterior', JCAP, 1203, pp. 021 - 021,

Journal articles | 2011

Arina C; Hamann J; Wong YYY, 2011, 'A Bayesian view of the current status of dark matter direct searches', JCAP, 1109, pp. 022 - 022,

Journal articles | 2011

Hamann J; Hannestad S; Raffelt GG; Tamborra I; Wong YYY, 2011, 'Cosmology seeking friendship with sterile neutrinos', Nucl. Phys. Proc. Suppl., 217, pp. 72 - 74,

Journal articles | 2011

Hamann J; Hannestad S; Raffelt GG; Wong YYY, 2011, 'Sterile neutrinos with eV masses in cosmology: How disfavoured exactly?', JCAP, 1109, pp. 034 - 034,

Journal articles | 2010

Finelli F; Hamann J; Leach SM; Lesgourgues J, 2010, 'Single-field inflation constraints from CMB and SDSS data', JCAP, 1004, pp. 011 - 011,

Journal articles | 2010

Hamann J; Hannestad S; Lesgourgues J; Rampf C; Wong YYY, 2010, 'Cosmological parameters from large scale structure - geometric versus shape information', JCAP, 1007, pp. 022 - 022,

Journal articles | 2010

Hamann J; Hannestad S; Raffelt GG; Tamborra I; Wong YYY, 2010, 'Cosmology seeking friendship with sterile neutrinos', Phys. Rev. Lett., 105, pp. 181301 - 181301,

Journal articles | 2010

Hamann J; Shafieloo A; Souradeep T, 2010, 'Features in the primordial power spectrum? A frequentist analysis', JCAP, 1004, pp. 010 - 010,

Journal articles | 2010

Raffelt GG; Hamann J; Hannestad S; Mirizzi A; Wong YYY, 2010, 'Axion bounds from precision cosmology', AIP Conf. Proc., 1274, pp. 66 - 71,

Journal articles | 2009

Hamann J; Balbi A; Lesgourgues J; Quercellini C, 2009, 'Optimising Boltzmann codes for the Planck era', JCAP, 0904, pp. 011 - 011,

Journal articles | 2009

Hamann J; Hannestad S; Raffelt GG; Wong YYY, 2009, 'Isocurvature forecast in the anthropic axion window', JCAP, 0906, pp. 022 - 022,

Journal articles | 2008

Hamann J; Hannestad S; Melchiorri A; Wong YYY, 2008, 'Nonlinear corrections to the cosmological matter power spectrum and scale-dependent galaxy bias: Implications for parameter estimation', JCAP, 0807, pp. 017 - 017,

Journal articles | 2008

Hamann J; Hannestad S; Sloth MS; Wong YYY, 2008, 'Observing trans-Planckian ripples in the primordial power spectrum with future large scale structure probes', JCAP, 0809, pp. 015 - 015,

Journal articles | 2008

Hamann J; Lesgourgues J; Mangano G, 2008, 'Using BBN in cosmological parameter extraction from CMB: A Forecast for PLANCK', JCAP, 0803, pp. 004 - 004,

Journal articles | 2008

Hamann J; Lesgourgues J; Valkenburg W, 2008, 'How to constrain inflationary parameter space with minimal priors', JCAP, 0804, pp. 016 - 016,

Journal articles | 2008

Hamann J; Wong YYY, 2008, 'Effects of CMB temperature uncertainties on cosmological parameter estimation', JCAP, 0803, pp. 025 - 025,

Journal articles | 2008

Valkenburg W; Hamann J; Krauss LM, 2008, 'Effects of Prior Assumptions on Bayesian Estimates of Inflation Parameters, and the expected Gravitational Waves Signal from Inflation', Phys. Rev., D78, pp. 063521 - 063521,

Journal articles | 2008

Valkenburg W; Krauss LM; Hamann J, 2008, 'Impact of prior assumptions on Bayesian estimates of inflation parameters and the expected gravitational waves signal from inflation', Physical Review D Particles Fields Gravitation and Cosmology, 78,

Journal articles | 2007

Hamann J; Covi L; Melchiorri A; Slosar A, 2007, 'New Constraints on Oscillations in the Primordial Spectrum of Inflationary Perturbations', Phys. Rev., D76, pp. 023503 - 023503,

Journal articles | 2007

Hamann J; Hannestad S; Raffelt GG; Wong YYY, 2007, 'Observational bounds on the cosmic radiation density', Journal of Cosmology and Astroparticle Physics, 0708, pp. 021 - 021,

Journal articles | 2007

Hamann J; Hannestad S; Sloth MS; Wong YYY, 2007, 'How robust are inflation model and dark matter constraints from cosmological data?', Phys. Rev., D75, pp. 023522 - 023522,

Journal articles | 2006

Covi L; Hamann J; Melchiorri A; Slosar A; Sorbera I, 2006, 'Inflation and WMAP three year data: Features have a Future!', Phys. Rev., D74, pp. 083509 - 083509,
Working Papers | 2022

Yi K; Chen J; Zhou B; Lio P; Fan Y; Hamann J, 2022, Approximate Equivariance SO(3) Needlet Convolution, ,

Working Papers | 2019

Hamann J; Gia QTL; Sloan IH; Wang YG; Womersley RS, 2019, A New Probe of Gaussianity and Isotropy applied to the CMB Maps, ,
Preprints | 2024

Hamann J; Kang Y, 2024, Non-Gaussianity in CMB lensing from full-sky simulations,

Preprints | 2023

Hamann J; Gia QTL; Sloan IH; Womersley RS, 2023, Removing the mask -- reconstructing a scalar field on the sphere from a masked field,

Preprints | 2023

Hamann J; Kang Y, 2023, A Minkowski Functional Analysis of the Cosmic Microwave Background Weak Lensing Convergence,

Preprints | 2023

Wons J; Dimastrogiovanni E; Fasiello M; Hamann J; Johnson MC, 2023, Enhancing Bispectrum Estimators for Galaxy Redshift Surveys with Velocities,

Preprints | 2022

Hamann J; Malhotra A, 2022, Constraining primordial tensor features with the anisotropies of the Cosmic Microwave Background,

Preprints | 2021

Hamann J; Wons J, 2021, Optimising Inflationary Features the Bayesian Way,

Preprints | 2019

Hamann J; Gia QTL; Sloan IH; Wang YG; Womersley RS, 2019, A New Probe of Gaussianity and Isotropy applied to the CMB Maps,

Conference Papers | 2009

Hannestad S; Hamann J; Mirizzi A; Raffelt GG; Wong YYY, 2009, 'Cosmological axion bounds', in Proceedings, 5th Patras Workshop on Axions, WIMPs and WISPs (AXION-WIMP 2009): Durham, UK, July 13-17, 2009, pp. 141 - 144,

Theses / Dissertations | 2007

Hamann J, 2007, Inflation and Cosmological Parameter Estimation, phdthesis, Hamburg U.,

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