## Members

Name | Robert Brandenberger |

Affiliation | |

Phone (1) | 514-398-6512 |

Areas of research (1) | Theoretical Cosmology |

Postdoctoral Fellows with dates (current and since last year) (1) | Heliudson Bernardo (9/19 – present) |

Postdoctoral Fellows with dates (current and since last year) (2) | Suddho Brahma (9-19 – 8/21), now junior faculty at Univ. of Edinburgh |

Students with dates (current and since last year) and affiliation (1) | Aline Favero (PhD 1/20 – present, McGIll) |

Students with dates (current and since last year) and affiliation (2) | Paul Chouha (PhD 9/20 – present, McGill) |

Students with dates (current and since last year) and affiliation (3) | Matteo Blamart (PhD 1/22 – present, McGill) |

Students with dates (current and since last year) and affiliation (4) | Mesbah Alsarraj (MSc 1/19 – 9/21, McGill) |

Students with dates (current and since last year) and affiliation (5) | Bryce Cyr (PhD student, 9/17 – ; McGill) |

Students with dates (current and since last year) and affiliation (6) | Ziwei Wang (PhD student, 9/17 – ; McGill) |

Students with dates (current and since last year) and affiliation (7) | Hao Jiao (MSc 9/20 – 6/22, PhD 7/22 – present, McGill) |

Student with dates (current and since last year), and affiliation (8) | Vincent Comeau (MSc student, 9/18 – 8/20; PhD 9/20 – present, McGill) |

Student with dates (current and since last year), and affiliation (9) | Samuel Laliberte (MSc student, 9/18 – 8/20; PhD 9/20 – present, McGill) |

Visiting Researchers with exact dates (current and since last year) and affiliation (1) | Vahid Kamali (Visiting Professor from Iran, 8/19 – 8/20; 3/22 – 2/23McGill) |

Selected Recent Publications (past 2 years only) (1) | S.~Brahma, R.~Brandenberger and S.~Laliberte, “Emergent Cosmology from Matrix Theory,'' JHEP {bf 03}, 067 (2022) doi:10.1007/JHEP03(2022)067 [arXiv:2107.11512 [hep-th]]. |

Selected Recent Publications (past 2 years only) (2) | H.~Bernardo and R.~Brandenberger, “Contracting Cosmologies and the Swampland,'' JHEP {bf{07}}, 206 (2021) doi:10.1007/JHEP07(2021)206 [arXiv:2104.00630 [hep-th]]. |

Selected Recent Publications (past 2 years only) (3) | R. Brandenberger, “String Cosmology and the Breakdown of Local Effective Field Theory,'' Contribution to {it Quantum Gravity, Higher Derivaties & Nonlocality}, Il Nuovo Cimento, in press (2022) [arXiv:2112.04082 [hep-th]]. |

Selected Recent Publications (past 2 years only) (4) | R. Brandenberger, ““Limitations of an Effective Field Theory Treatment of Early Universe Cosmology,'' Philosophical Transactions A, in press (2022) [arXiv:2108.12743 [hep-th]]. |

Selected Recent Publications (past 2 years only) (5) | D.~Maibach, R.~Brandenberger, D.~Crichton and A.~Refregier, “Extracting the Signal of Cosmic String Wakes from 21-cm Observations,'' Phys. Rev. D {bf{104}}, no.12, 123535 (2021) [arXiv:2107.07289 [astro-ph.CO]]. |

Selected Recent Publications (past 2 years only) (6) | R.~Brandenberger, B.~Cyr and H.~Jiao, “Intermediate Mass Black Hole Seeds from Cosmic String Loops,'' Phys. Rev. D {bf{104}}, no.12, 123501 (2021) [arXiv:2103.14057 [astro-ph.CO]]. |

Selected Recent Publications (past 2 years only) (7) | R.~Thériault, J.~T.~Mirocha and R.~Brandenberger, “Global 21cm Absorption Signal from Superconducting Cosmic Strings,'' JCAP {bf{10}}, 046 (2021) [arXiv:2105.01166 [astro-ph.CO]]. |

Selected Recent Publications (past 2 years only) (8) | A.~Berera, S.~Brahma, R.~Brandenberger, J.~Calder'on-Figueroa and A.~Heavens, “Quantum coherence of photons at cosmological distances,'' Phys. Rev. D {bf{104}}, no.6, 063519 (2021) doi:10.1103/PhysRevD.104.063519 [arXiv:2107.06914 [hep-ph]].. |

Selected Recent Publications (past 2 years only) (9) | M.~Alsarraj and R.~Brandenberger, “Moduli and Graviton Production during Moduli Stabilization,'' JCAP {bf{09}}, 008 (2021) doi:10.1088/1475-7516/2021/09/008 [arXiv:2103.07684 [hep-th]]. |

Selected Recent Publications (past 2 years only) (10) | R.~Brandenberger, L.~Heisenberg and J.~Robnik, `''Non-Singular Black Holes with a Zero-Shear S-Brane'' JHEP {bf 2105}, 090 (2021) doi:10.1007/JHEP05(2021)090 [arXiv:2103.02842 [hep-th]]. |

Selected Recent Publications (past 2 years only) (11) | A.~Berera, R.~Brandenberger, V.~Kamali and R.~Ramos, “Thermal, Trapped and Chromo-Natural Inflation in light of the Swampland Criteria and the Trans-Planckian Censorship Conjecture,'' Eur. Phys. J. C {bf 81}, no. 5, 452 (2021) doi:10.1140/epjc/s10052-021-09240-3 [arXiv:2006.01902 [hep-th]]. |

Selected Recent Publications (past 2 years only) (12) | R.~Brandenberger and J.~Frohlich, “Dark Energy, Dark Matter and Baryogenesis from a Model of a Complex Axion Field,'' JCAP {bf 2104}, 030 (2021) doi:10.1088/1475-7516/2021/04/030 [arXiv:2004.10025 [hep-th]]. |

Selected Recent Publications (past 2 years only) (13) | S.~Brahma, R.~Brandenberger and Z.~Wang, “Entanglement entropy of cosmological perturbations for S-brane Ekpyrosis,'' JCAP {bf 2103}, 094 (2021) doi:10.1088/1475-7516/2021/03/094 [arXiv:2009.12653 [hep-th]] |

Selected Recent Publications (past 2 years only) (14) | W.~Jin, R.~Brandenberger and L.~Heisenberg, “Axion Monodromy Inflation, Trapping Mechanisms and the Swampland,'' Eur. Phys. J. C {bf 81}, no. 2, 162 (2021) doi:10.1140/epjc/s10052-021-08960-w [arXiv:2010.04999 [hep-th]]. |

Selected Recent Publications (past 2 years only) (15) | G.~A.~Mitchell and R.~Brandenberger, “Note on Shape Moduli Stabilization, String Gas Cosmology and the Swampland Criteria,'' Eur. Phys. J. C {bf 81}, no. 1, 39 (2021) doi:10.1140/epjc/s10052-021-08843-0 [arXiv:2008.13251 [hep-th]]. |

Selected Recent Publications (past 2 years only) (16) | H.~Bernardo, R.~Brandenberger and G.~Franzmann, “String Cosmology backgrounds from Classical String Geometry,'' Phys. Rev. D {bf 103}, no. 4, 043540 (2021) doi:10.1103/PhysRevD.103.043540 [arXiv:2005.08324 [hep-th]]. |

Selected Recent Publications (past 2 years only) (17) | L.~Heisenberg, M.~Bartelmann, R.~Brandenberger and A.~Refregier, “Model Independent Analysis of Supernova Data, Dark Energy, Trans-Planckian Censorship and the Swampland,'' Phys. Lett. B {bf 812}, 135990 (2021) doi:10.1016/j.physletb.2020.135990 [arXiv:2003.13283 [hep-th]]. |

Selected Recent Publications (past 2 years only) (18) | H.~Bernardo, R.~Brandenberger and G.~Franzmann, “Solution of the Size and Horizon Problems from Classical String Geometry,'' JHEP {bf 2010}, 155 (2020) doi:10.1007/JHEP10(2020)155 [arXiv:2007.14096 [hep-th]]. |

Selected Recent Publications (past 2 years only) (19) | R.~Brandenberger, K.~Dasgupta and Z.~Wang, “Reheating after S-Brane Ekpyrosis,'' Phys. Rev. D {bf 102}, no. 6, 063514 (2020) doi:10.1103/PhysRevD.102.063514 [arXiv:2007.01203 [hep-th]]. |

Selected Recent Publications (past 2 years only) (20) | S.~Brahma, O.~Alaryani and R.~Brandenberger, “Entanglement Entropy of Cosmological Perturbations,'' Phys. Rev. D {bf 102}, no. 4, 043529 (2020) doi:10.1103/PhysRevD.102.043529 [arXiv:2005.09688 [hep-th]]. |

Recent Invited Talks and Lectures (past year only) (1) | Quantum Gravity Conference, March 14 – 18 2022, Topic: “Emergent Cosmology from Matrix Theory'' |

Recent Invited Talks and Lectures (past year only) (2) | Texas A&M Theory Seminar, Feb. 28 2022 , Topic: “Emergent Cosmology from Matrix Theory''. |

Recent Invited Talks and Lectures (past year only) (3) | Majorana-Raychaudhuri seminar, Feb. 12 2022, Topic: “Breakdown of an Effective Field Theory Description of Early Universe Cosmology'' |

Recent Invited Talks and Lectures (past year only) (4) | CAP Lifetime Achievement talk, Dec. 20 2021, Topic: “Challenges for Early Universe Cosmology'' |

Recent Invited Talks and Lectures (past year only) (5) | Recent Advances in Cosmology and Astrophysics Conference, Dec. 16 2021, Topic: “Progress in Superstring Cosmology''. |

Recent Invited Talks and Lectures (past year only) (6) | Applications of Quantum Information in QFT and Cosmology workshop, Nov. 24 2021, Topic: “Challenges for Inflationary Cosmology''. |

Recent Invited Talks and Lectures (past year only) (7) | Progress in Quantum Cosmology Workshop, Kyoto Univ., Nov. 8 2021 Topic: “Alternatives to Inflation from Quantum Cosmology''. |

Recent Invited Talks and Lectures (past year only) (8) | Chandrasekhar Inaugural Lecture, Centre for Strings, Gravitation and Cosmology, IIT Madras, Oct. 21 2021, Topic: “Towards an Understanding of the Evolution of the Very Early Universe'' |

Recent Invited Talks and Lectures (past year only) (9) | Discussion meeting on quantum gravity, invited panelist, Oct. 5 – 7 2021, organized by International Society on Quantum Gravity, Topic: “Connecting Quantum Gravity with Cosmological Data''. |

Recent Invited Talks and Lectures (past year only) (10) | Theory Seminar, Columbia University, Oct. 4 2021, Topic: “Limitations of an Effective Field Theory Description of Early Universe Cosmology.'' |

Recent Awards, Distinctions, Prizes (past 2 years) (1) | Honorary Member, National Society of Black Physicists (9/19 – ) |

Recent Awards, Distinctions, Prizes (past 2 years)(2) | CAP Lifetime Achievement Award, 2021 |

Recent conferences organized or co-organized (past 2 years only) (1) | “Physics of the Early Universe'', School, ICTS, Bangalore, Jan. 3 – 14 2022, co-organizer |

Recent conferences organized or co-organized (past 2 years only) (2) | “Workshop on Emergent Cosmology'', Aug. 13, 2021 (organized with Prof. C. Smeenk from Western Univ.) |

Recent conferences organized or co-organized (past 2 years only) (3) | CAP Congress, June 8 2021, Organizer of Special Session in Honour of Jim Peebles |

Recent conferences organized or co-organized (past 2 years only) (4) | “Physics of the Early Universe'' School and Workshop – online precursor meeting, Aug. 31 – Sept. 3 2020, ICTS, Bangalore (co-organizer) |

## Postdoctoral Fellow, Research Associates, PhD Student, MSc Student

Name | Heliudson Bernardo |

Affiliation | McGill Physics |

Phone | (514) 398-6490 |

Area of research (1) | Theoretical Cosmology |

Area of research (2) | Superstring theory |