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Identification

Personal identification

Full name
Ricardo Zambujal Ferreira

Citation names

  • Zambujal Ferreira, Ricardo

Author identifiers

Ciência ID
371D-C669-07E7
ORCID iD
0000-0002-8809-4878
Google Scholar ID
c7yBgewAAAAJ
Researcher Id
L-9620-2019
Scopus Author Id
55235931000

Email addresses

  • rzferreira@uc.pt (Professional)

Websites

Knowledge fields

  • Exact Sciences - Physical Sciences

Languages

Language Speaking Reading Writing Listening Peer-review
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
French Beginner (A1) Beginner (A1)
Spanish; Castilian Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Danish Beginner (A1) Beginner (A1) Beginner (A1) Beginner (A1)
Education
Degree Classification
2012/10/21 - 2016/02/08
Concluded
 n/a (Doktor (PhD))
Syddansk Universitet, Denmark
"Gauge fields in the early universe" (THESIS/DISSERTATION)
 n/a
2012/07
Concluded
 Mestrado em Física (Mestrado)
Universidade do Porto Faculdade de Ciências, Portugal
"Wormhole and Time-Machines in Non-minimally Coupled Theories of Gravity" (THESIS/DISSERTATION)
2010/09/06
Concluded
 Licenciatura em Física (Licenciatura)
Universidade do Porto Faculdade de Ciências, Portugal
Affiliation

Science

Category
Host institution 		Employer
2023/04 - Current Auxiliary Researcher (Research) Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
Universidade de Coimbra Centro de Física, Portugal
2020/10 - 2021/12 Postdoc (Research) Institut de Física d'Altes Energies, Spain
Institut de Física d'Altes Energies, Spain
2018/10/08 - 2020/10/07 Postdoc (Research) Nordic Institute for Theoretical Physics, Sweden
2016/09/05 - 2018/10/05 Postdoc (Research) Universitat de Barcelona, Spain
Universitat de Barcelona Institut de Ciències del Cosmos, Spain
2015/10/22 - 2016/09/05 Research Assistant (Research) Syddansk Universitet, Denmark

Others

Category
Host institution 		Employer
2022 - Current Beatriu de Pinós fellow Institut de Física d'Altes Energies, Spain
Projects

Grant

Designation Funders
2024 - Current Ramon y Cajal grant (declined)
RYC2022-037330-I
Principal investigator
2022/07 - Current CDEIGENT (Declined)
05TUI/2021/5676
Principal investigator
Generalitat Valenciana
2022/04/01 - Current Exploring the darkest side of dark matter”
CERN/FIS-PAR/0027/2021
Invited Scientist Fellow
Ongoing
2022/01 - Current Beatriu de Pinós Fellowship
2021 BP 00048
Institut de Física d'Altes Energies, Spain
 Generalitat de Catalunya Agència de Gestió d'Ajuts Universitaris i de Recerca
Ongoing
2020/06 - Current Física de axiones en cosmología, métodos de detección astrofísicos, y desarrollo de componentes instrumentales de BabyIAXO
PID2019-108122GB-C32
Researcher
Universitat de Barcelona Institut de Ciències del Cosmos, Spain
 Gobierno de España Ministerio de Ciencia e Innovación
Ongoing
2018/10 - 2020/10 Nordita fellowship
Nordita fellowship
Post-doc Fellow
Nordic Institute for Theoretical Physics, Sweden
 Nordic Institute for Theoretical Physics
Concluded
2017/10 - 2018/09 Gravitation, Strings and Cosmology Global
2017SGR754
Researcher
Universitat de Barcelona Institut de Ciències del Cosmos, Spain
 Generalitat de Catalunya Agència de Gestió d'Ajuts Universitaris i de Recerca
Concluded
2016/09 - 2017/08 Holography for the LHC era
ERC Starting Grant HoloLHC-306605
Research Fellow
Universitat de Barcelona Institut de Ciències del Cosmos, Spain
 European Research Council
Concluded
2012 - 2016 Doctoral Fellowship (Declined)
NA
PhD Student Fellow
Universidade do Porto Centro de Física do Porto, Portugal
 Fundação para a Ciência e a Tecnologia
2012/10 - 2015/10 Universe Origins: Probing fundamental physics with Planck
Universe Origins: Probing fundamental physics with Planck
PhD Student Fellow
Syddansk Universitet, Denmark
 Lundbeckfonden
Concluded
2008 - 2009 Growth of PDLCs (Polymer Dispersed Liquid Crystals) in microgravity
Drop you thesis
Researcher
Universidade do Porto Faculdade de Ciências, Portugal
 European Space Agency
Concluded

Contract

Designation Funders
2023/04/15 - 2029/04/14 New probes of Axion physics
2022.03283.CEECIND/CP1714/CT0003
10.54499/2022.03283.CEECIND/CP1714/CT0003
Principal investigator
Universidade de Coimbra, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing
Outputs

Publications

Conference paper
  1. Bertolami, Orfeu; Zambujal Ferreira, Ricardo. "Wormholes and Time-Machines in Nonminimally Coupled Matter-Curvature Theories of Gravity". 2013.
    10.1051/epjconf/20135801008
Journal article
  1. Francesco Capozzi; Ricardo Z. Ferreira; Laura Lopez-Honorez; Olga Mena. "CMB and Lyman-a constraints on dark matter decays to photons". Journal of Cosmology and Astroparticle Physics 2023 06 (2023): 060-060. http://dx.doi.org/10.1088/1475-7516/2023/06/060.
    10.1088/1475-7516/2023/06/060
  2. Branco, Nuno P.; Ferreira, Ricardo Z.; Rosa, João G.. "Superradiant axion clouds around asteroid-mass primordial black holes". JCAP 04 (2023): 003-003. http://inspirehep.net/record/2620643.
    10.1088/1475-7516/2023/04/003
  3. Ricardo Z. Ferreira; Alessio Notari; Oriol Pujolàs; Fabrizio Rompineve. "Gravitational waves from domain walls in Pulsar Timing Array datasets". Journal of Cosmology and Astroparticle Physics 2023 02 (2023): 001-001. http://dx.doi.org/10.1088/1475-7516/2023/02/001.
    10.1088/1475-7516/2023/02/001
  4. Ferreira, Ricardo Z.; Marsh, M.C. David; Müller, Eike. "Strong supernovae bounds on ALPs from quantum loops". JCAP 11 (2022): 057-057. http://inspirehep.net/record/2083214.
    10.1088/1475-7516/2022/11/057
  5. Ricardo Z. Ferreira; M. C. David Marsh; Eike Müller. "Do Direct Detection Experiments Constrain Axionlike Particles Coupled to Electrons?". Physical Review Letters (2022): https://doi.org/10.1103/PhysRevLett.128.221302.
    10.1103/PhysRevLett.128.221302
  6. "High Quality QCD Axion at Gravitational Wave Observatories". Physical Review Letters 128 14 (2022): http://dx.doi.org/10.1103/physrevlett.128.141101.
    10.1103/physrevlett.128.141101
  7. Ricardo Z. Ferreira; Alessio Notari; Fabrizio Rompineve. "Dine-Fischler-Srednicki-Zhitnitsky axion in the CMB". Physical Review D (2021): https://doi.org/10.1103/PhysRevD.103.063524.
    10.1103/PhysRevD.103.063524
  8. Ferreira, Ricardo Z.; Heissenberg, Carlo. "Super-Hawking radiation". Journal of High Energy Physics 2021 2 (2021): http://dx.doi.org/10.1007/jhep02(2021)038.
    10.1007/jhep02(2021)038
  9. Arias-Aragón, Fernando; D'Eramo, Francesco; Ferreira, Ricardo Z.; Merlo, Luca; Notari, Alessio. "Production of Thermal Axions across the ElectroWeak Phase Transition". Journal of Cosmology and Astroparticle Physics (2021):
    Accepted • 10.1088/1475-7516/2021/03/090
  10. Zambujal Ferreira, Ricardo. "Cosmic imprints of XENON1T axions". Journal of Cosmology and Astroparticle Physics 2020 11 (2020): 025-025. https://doi.org/10.1088%2F1475-7516%2F2020%2F11%2F025.
    10.1088/1475-7516/2020/11/025
  11. Ferreira, Ricardo Z.. "Non-Gaussianities in models of inflation with large and negative entropic masses". Journal of Cosmology and Astroparticle Physics 2020 08 (2020): 034-034. http://dx.doi.org/10.1088/1475-7516/2020/08/034.
    10.1088/1475-7516/2020/08/034
  12. Zambujal Ferreira, Ricardo. "Mild non-Gaussianities under perturbative control from rapid-turn inflation models". Journal of Cosmology and Astroparticle Physics (2019): http://dx.doi.org/10.1088/1475-7516/2019/12/036.
    10.1088/1475-7516/2019/12/036
  13. Di Valentino, Eleonora; Ferreira, Ricardo Z.; Visinelli, Luca; Danielsson, Ulf. "Late time transitions in the quintessence field and the H0 tension". Physics of the Dark Universe 26 (2019): 100385. http://dx.doi.org/10.1016/j.dark.2019.100385.
    10.1016/j.dark.2019.100385
  14. Zambujal Ferreira, Ricardo. "Hot Axions and the $H_0$ tension". JCAP 1811 (2018) no.11, 014 (2018):
    10.1088/1475-7516/2018/11/014
  15. Ricardo Zambujal Ferreira; Avelino, Pedro P.. "The fate of a Universe driven by a linear potential". Class.Quant.Grav. 35 17 (2018): 175018-175018. http://inspirehep.net/record/1386447.
    10.1088/1361-6382/aad474
  16. Zambujal Ferreira, Ricardo. "Natural Inflation with a periodic non-minimal coupling". (2018):
    10.1088/1475-7516/2018/11/021
  17. Ferreira, Ricardo Z.; Notari, Alessio. "Observable Windows for the QCD Axion Through the Number of Relativistic Species". Physical Review Letters 120 19 (2018): http://dx.doi.org/10.1103/physrevlett.120.191301.
    10.1103/physrevlett.120.191301
  18. Ferreira, R.Z.; Sandora, M.; Sloth, M.S.. "Patient observers and non-perturbative infrared dynamics in inflation". Journal of Cosmology and Astroparticle Physics 2018 2 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85043483727&partnerID=MN8TOARS.
    10.1088/1475-7516/2018/02/055
  19. Ferreira, R.Z.; Notari, A.. "Thermalized axion inflation: Natural and monomial inflation with small r". Physical Review D 97 6 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85044839634&partnerID=MN8TOARS.
    10.1103/PhysRevD.97.063528
  20. Ferreira, Ricardo Z.; Notari, Alessio. "Thermalized axion inflation". (2017): https://ui.adsabs.harvard.edu/#abs/2017JCAP...09..007F.
    10.1088/1475-7516/2017/09/007
  21. Ferreira, Ricardo Z.; Sandora, McCullen; Sloth, Martin S.. "Is Patience a Virtue? Cosmic Censorship of Infrared Effects in de Sitter". (2017): https://ui.adsabs.harvard.edu/#abs/2017arXiv170506380F.
    10.1142/S0218271817430192
  22. Ferreira, Ricardo Z.; Sandora, McCullen; Sloth, Martin S.. "Asymptotic symmetries in de Sitter and inflationary spacetimes". (2017): https://ui.adsabs.harvard.edu/#abs/2017JCAP...04..033F.
    10.1088/1475-7516/2017/04/033
  23. Ferreira, Ricardo Z.; Ganc, Jonathan; Noreña, Jorge; Sloth, Martin S.. "On the validity of the perturbative description of axions during inflation". JCAP 04 (2016): 039-039. http://inspirehep.net/record/1410563.
    10.1088/1475-7516/2016/04/039
  24. Ferreira, Ricardo Z.; Ganc, Jonathan. "Inflationary dynamics of kinetically-coupled gauge fields". (2015): https://ui.adsabs.harvard.edu/#abs/2015JCAP...04..029F.
    10.1088/1475-7516/2015/04/029
  25. Ferreira, Ricardo Z.; Sloth, Martin S.. "Universal Constraints on Axions from Inflation". JHEP 12 (2014): 139-139. http://inspirehep.net/record/1318433.
    10.1007/JHEP12(2014)139
  26. Ferreira, Ricardo J.Z.; Jain, Rajeev Kumar; Sloth, Martin S.. "Inflationary Magnetogenesis without the Strong Coupling Problem II: Constraints from CMB anisotropies and B-modes". JCAP 06 (2014): 053-053. http://inspirehep.net/record/1286747.
    10.1088/1475-7516/2014/06/053
  27. Ferreira, Ricardo J.Z.; Jain, Rajeev Kumar; Sloth, Martin S.. "Inflationary magnetogenesis without the strong coupling problem". JCAP 10 (2013): 004-004. http://inspirehep.net/record/1236162.
    10.1088/1475-7516/2013/10/004
  28. Avelino, P.P.; Ferreira, R.Z.. "Bouncing Eddington-inspired Born-Infeld cosmologies: an alternative to Inflation ?". Phys.Rev.D 86 (2012): 041501-041501. http://inspirehep.net/record/1116496.
    10.1103/PhysRevD.86.041501
  29. Bertolami, Orfeu; Zambujal Ferreira, Ricardo. "Traversable Wormholes and Time Machines in non-minimally coupled curvature-matter $f(R)$ theories". Phys.Rev.D 85 (2012): 104050-104050. http://inspirehep.net/record/1091458.
    10.1103/PhysRevD.85.104050
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2024/02/14 New astrophysical probes of axions and dark matters
CENTRA - IST (Lisbon, Portugal)
2024/02/07 Signatures of domain wall networks: from gravitational waves to primordial black holes
CIDMA (U. Aveiro) (Aveiro, Portugal)
2023/12/05 Primordial black holes and axions: a tale of (galactic and extragalactic)
FTAE-UGR (Granada, Spain)
2023/03/21 CMB and Lyman-a probes of Dark Matter
University of Science and Technology of China (Hefei, China)
2023/01/11 Primordial black holes and axions: a tale of (galactic and extragalactic) light (online) Early Universe & AliCPT Forum
University of Science and Technology of China
2022/12/20 Primordial black holes and axions: a tale of (galactic and extragalactic) light XV Black Hole Workshop
ISCTE (Lisbon, Portugal)
2022/09/06 Gravitational wave signatures of axionic domain walls Recent Progress in Axion Theory and Experiment
Durham University (Durham, United Kingdom)
2022/08/23 Gravitational wave signatures of axionic domain walls COSMO 2022
UFRJ (Rio de Janeiro, Brazil)
2022/08/11 Gravitational wave signatures of axionic domain walls
IFT - São Paulo (São Paulo, Brazil)
2022/05/25 Axion Cosmology (online) 2nd EuCAPT Symposium
CERN
2022/03 New constraints on axions from loops
U. Barcelona (Barcelona, Spain)
2021/12 Cosmological probes of the QCD axion: CMB and gravitational waves
U. Coimbra (Portugal)
2021/12 Super-Hawking Radiation XIV Black Hole Workshop
U. Aveiro (Portugal)
2021/11 Cosmological probes of the QCD axion: CMB and gravitational waves
IFIC, Valencia (Spain)
2021/07 Quality tests for the Heavy QCD axion European Physical Society Conference on High Energy Physics
(online, Germany)
2021/03 The QCD axion in the CMB Iberian Cosmology meeting
(online, Portugal)
2020/11 Outcomes of strong particle production in inflation
IFAE (Barcelona, Spain)
2020/05 Outcomes of Strong Particle Production
Institute of Cosmology and Gravitation (Portsmouth, United Kingdom)
2019/04 Probing Axions through Neff
University of Aveiro (Aveiro, Portugal)
2019/03 The role of the IR in de-Sitter and inflation
Nordita (Stockholm, Sweden)
2019/01 Probing Axions through Neff
Oskar Klein Center, Stockholm U. (Stockholm, Sweden)
2019/01 Probing Axions through Neff
IFAE, U. Autonoma de Barcelona (Barcelona, Spain)
2018/12 de-Sitter particle production and its connections to black hole evaporation Black Hole Workshop
IST, U. Lisbon (Lisbon, Portugal)
2018/06 When axions leave a footprint
Institute for Theoretical Physics (Heidelberg, Germany)
2018/05 Observable windows of the QCD axion through Neff Cosmological probes of BSM from the Big Bang to the LHC
Centro de Ciencias de Benasque (Benasque, Spain)
2018/03 Thai-flation Iberian Cosmology meeting
FCUL, U. Lisbon (Lisbon, Portugal)
2018/02 Axion Inflation: Naturally thermal Gravity and Cosmology
Yukawa Institute (Kyoton, Japan)
2018/02 The role of gauge fields in inflation ICCUB Winter Meeting
ICC, U. Barcelona (Barcelona, Spain)
2018/01 IR effects in de-Sitter and inflation: physical, measurable, both or none? Infrared physics of gauge theories and quantum dynamics of inflation
Kyoto University (Kyoto, Japan)
2017/06 Thai-flation Advances in Theoretical Cosmology in light of data
Stockholm University (Stockholm, Sweden)
2017/05 Thermalization in axion inflation MASS Conference
CP3-Origins Institute (Odense, Denmark)
2017/02 The role of soft modes in de-Sitter and inflation
ICC, U. Barcelona (Barcelona, Spain)
2016/07 Asymptotic symmetries of de-Sitter: the role of the charge Utrecht Cosmology Symposium
Utrecht U. (Utrecht, Netherlands)
2016/03 Gauge fields in inflation
CAUP, University of Porto (Porto, Portugal)
2016/03 Synthetic Tensor Modes Iberian Cosmology Meeting
CAUP, U. Porto (Vila do Conde, Portugal)
2015/12 Instabilities in inflation: the axial coupling
U. Utrecht (Utrecht, Netherlands)
2015/12 Instabilities in inflation: the axial coupling
U. Padova (Padova, Italy)
2015/12 Instabilities in inflation: the axial coupling
ICTP (Trieste, Italy)
2015/07 Synthetic Tensor Modes Quantum fields and IR issues in de-Sitter space
IIP-UFRN (Natal, Brazil)
2015/04 Universal Constrains on Axions from inflation Iberian Cosmology meeting
U. Complutense (Aranjuez, Spain)
2015/01 Universal Constrains on Axions from inflation
U. Sussex (Brighton, United Kingdom)
2014/11 The cosmological constant problem: How does the vacuum gravitate
CP3-Origins Institute (Odense, Denmark)
2014/03 Constraints on Inflationary Magnetogenesis Danish Astronomy Meeting
(Odense, Denmark)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2023/09 - Current Cosmological signatures of fetworks of topological defects
Supervisor
 Physics (Degree)
Universidade de Coimbra Centro de Física, Portugal
2021 - Current Cosmological signatures of models beyond the standard model physics
Co-supervisor
Institut de Física d'Altes Energies, Spain
2021/09 - 2022/09 Signatures of axion clouds around primordial black holes
Co-supervisor
Universidade de Coimbra Departamento de Física, Portugal
2021/01 - 2021/09 Axion Superradiant Clouds
Supervisor
Kungliga Tekniska Högskolan, Sweden
2018/01 - 2018/07 Natural Inflation with a periodic non-minimal coupling
Co-supervisor
Universitat de Barcelona Institut de Ciències del Cosmos, Spain

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2023/11/23 - 2023/11/23 Organization of Scientific Exhibition and Round Table (2023/11/23)
Round table (Co-organisor)
 Universidade de Coimbra Centro de Física, Portugal
2020/01 - 2020/01 Nordita Advanced Winter School on Theoretical Cosmology (2020/01) Nordic Institute for Theoretical Physics, Sweden
2017 - 2018 Scientific exhibition: "Unravelling the dark universe" (2017) Universitat de Barcelona Institut de Ciències del Cosmos, Spain
2017/10 - 2017/10 Barcelona Cosmology School, U. Barcelona (2017/10) Universitat de Barcelona Institut de Ciències del Cosmos, Spain
2016/10 - 2016/10 FANCY Workshop, CP3-Origins Institute (2016/10) Syddansk Universitet, Denmark
2014/05/12 - 2014/05/13 CP3-Origins Retreat (2014/05/12 - 2014/05/13) CP3-Origins Institute, Syddansk Universitet, Denmark
2014/04 - 2014/04 Workshop ”Novel Signatures of Inflation”, CP3-Origins Institute (2014/04) Syddansk Universitet, Denmark
2009/02 - 2009/02 XI National Meeting of Portuguese Students, U. Porto (2009/02) Universidade do Porto Faculdade de Ciências, Portugal

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2023/09/26 INSTABILIDADES SUPERRADIANTES DE BURACOS NEGROS EM ROTAÇÃO COM MÚLTIPLOS CAMPOS ESCALARES
(Thesis) Main arguer
 Daniel Neves (Master)
Universidade de Coimbra Departamento de Física, Portugal
2022/09/07 Study of FCNC decay mediated by an ALP
(Thesis) Main arguer
 Álvaro Gonzalez Redondo (Master)
Institut de Física d'Altes Energies, Spain
2021/11/25 Superradiant axion clouds and their interaction with astrophysical plasma
Supervisor
 Erik Engstedt (Master)
Kungliga Tekniska Högskolan, Sweden

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2013 - 2015 Advanced Quantum Mechanics (64 lectured hours) (Master) Syddansk Universitet, Denmark
2012 - 2015 General Relativity and Cosmology (48 lectured hours) (Master) Syddansk Universitet, Denmark

Interview (newspaper / magazine)

Activity description Newspaper / Forum
2023/07/27 Artigo de divulgação nas Newsletter da U. Coimbra
2012 "Como viajar no tempo" Articles in Portuguese online science newspapers
2009/11 "Growing PDLCs in microgravity", articles in the European Space Agency website and in Portuguese online science newspapers

Interview (tv / radio show)

Program Topic
2018/11 - 2018/11 Talk-Show Comics curing cancer, Kosmo bar, Barcelona

Journal scientific committee

Journal title (ISSN) Publisher
2020 - Current European Physics Journal (EPJ)
2017 - Current Universe - MDPI
2016 - Current Journal of Cosmology and Astroparticle Physics (JCAP)

Mentoring / Tutoring

Topic Student name
2017/09 - 2017/09 PhD school, International Summer School on High Energy Physics Tutored PhD students
2013 - 2014 Genius Program, CP3-Origins Institute Tutored several bachelor students
Distinctions

Award

2020 Paper of the month

Other distinction

2017 Honorable Mention, Gravity Essay Contest, Gravity Research Foundation
2012 Best speaker, Portuguese Meeting of Physics Students
2012 Person of the Week, University of Porto, Portugal