About Me
I am a Master’s student in Physics at Instituto Superior Técnico in Lisbon, interested in many-body physics and quantum information. My research experience includes work with the Quantum Matter team at CeFEMA, where I investigate open quantum systems out of equilibrium, as well as at the Portuguese Quantum Institute, developing quantum algorithms with Rydberg atoms.
Beyond research, I am actively engaged in teaching and outreach. I’ve served as a teaching assistant in quantum mechanics and coordinated Atlas, a national program supporting talented high school students in science.
Education
Instituto Superior Técnico, Universidade de Lisboa
Master’s in Engenharia Física Tecnológica (2024 – 2026)
Final GPA: 19.52/20
Instituto Superior Técnico, Universidade de Lisboa
Bachelor’s in Engenharia Física Tecnológica (2021 – 2024)
Top student for two years
Final GPA: 18.92/20
Publications & Preprints
G. Almeida, P. Ribeiro, M. Haque, L. Sá, “Dissipation- vs Chaos-Induced Relaxation in non-Markovian Quantum Many-Body Systems.” Phys. Rev. B 114, L051107 (2026)
G. Almeida, P. Ribeiro, M. Haque, L. Sá, “Universality, Robustness, and Limits of the Eigenstate Thermalization Hypothesis in Open Quantum Systems.” Physical Review E 113.1 (2026): L012101
G. Almeida, R. Santos, L. Janiurek, Y. Omar, “Quantum Walks on Arbitrary Spatial Networks with Rydberg Atoms.” arXiv:2507.21011 (2025)
Research Experience
Quantum Matter Team, Instituto Superior Técnico (2024 - Present)
Research on open quantum systems, eigenstate thermalization hypothesis and non-equilibrium dynamics. Lately I am focusing on an open SYK model using Keldysh techniques and exploring non-Markovian effects.
Portuguese Quantum Institute (2023 - 2025)
Developing quantum walks algorithms with Rydberg atoms. Supported by EuRyQa.
Munich Center for Quantum Science and Technology (Aug 2024)
Project on geometric string theory in SU(3) t-J models at LMU.
University of Cambridge (Jul 2024)
1-week academic exchange at the Theory of Condensed Matter Group.
Group of Lasers and Plasmas, Instituto Superior Técnico, (Sep 2023 – Jan 2024)
Research on loading probability distributions using variational quantum circuits.
New Talents in Physics, Calouste Gulbenkian Foundation (Nov 2022 – Sep 2023)
Prestigious scholarship with research in quantum computing with Rydberg atoms at the Portuguese Quantum Institute.
Communications
- QOpen Kick-off Workshop (Lisbon, 2026) - Poster
- Workshop on Complex Quantum Matter (Évora, 2025) - Poster
- School on Quantum Dynamics of Matter, Light and Information (ICTP, Trieste, 2025) - Poster
- APS March Meeting (Anaheim, 2025) — Poster
- European Quantum Technologies Conference (Lisbon, 2024) — Poster
- Quantum Computing, Simulations & Metrology (Crete, 2024) — Talk
Training
School on Quantum Dynamics of Matter, Light and Information, Summer School (2025), ICTP, Trieste
Quantum Matter — Materials & Concepts, Autumn School (Oct 2024), Aveiro
Topics: Boson sampling, density functional theory, bootstrapping quantum mechanics
ATHENS Programme (Mar 2024), Czech Technical University in Prague
Course: Geometrical aspects of spectral theory
Grade: A+
ATHENS Programme (Nov 2022), Mines Paris - PSL
Course: Complex Analysis and Application
Grade: A+
Teaching & Outreach
- Coordinator of a Physics Summer School (2026), Instituto Superior Técnico (2026)
- Mathematical Supplements for Physics, Instituto Superior Técnico (2025-2026)
- Quantum Mechanics Teaching Assistant, Instituto Superior Técnico (2024-2026)
- Espaço +Física collaborator (2024-2026)
- Coordinator of Atlas (2024–2025)
Awards
- Academic Excellence (2022, 2023, 2024, 2025, 2026)
- Silver Medal – International Physics Olympiad (2021)
- Bronze Medal – International Olympiad on Astronomy and Astrophysics (2021)
- Bronze Medal – International Physics Olympiad (2020)
- Bronze Medal – European Physics Olympiad (2020)
- Gold Medal – Iberoamerican Physics Olympiad (2020)
- Vote of Honour – Mayor of Viana do Castelo
- Silver Medal – European Union Science Olympiad (2019)
Contact
Are you looking for enthusiasts in quantum research and teaching? Feel free to reach out: