News from the group
PIC I and PIC II projects for 2026/27
Seven research projects for BSc and MSc students, from noisy quantum computers to the SYK model. Come and talk to us.
New course: Quantum Technologies
Pedro Ribeiro and Giuseppe De Tomasi teach a new 6-ECTS MSc course in the second period of 2026/27, with hands-on labs on IBM quantum hardware.
Universality in noisy transport
J. Costa, P. Ribeiro and A. De Luca show how universal transport emerges for noisy free fermions, in Physical Review Letters.
Error-correction transitions
Finite-depth quantum channels display sharp error-correction transitions, in Physical Review Letters.
Porter–Thomas from dual-unitary dynamics
P. W. Claeys and G. De Tomasi on Fock-space delocalization, in Physical Review Letters.
Paper by M. Gonçalves and P. Ribeiro published in PRB
Miguel Gonçalves and Pedro Ribeiro's paper (together with Ivan M. Khaymovich) "Quasiperiodicity hinders ergodic Floquet eigenstates" was published in Physical Review B
Paper by M. Gonçalves and P. Ribeiro published in PRB
Miguel Gonçalves and Pedro Ribeiro's paper (together with Bruno Amorim, Eduardo V. Castro) "Renormalization group theory of one-dimensional quasiperiodic lattice models with commensurate approximants" was published in Physical Review B
Paper by L. Sá and P. Ribeiro published in PRX
Lucas Sá and Pedro Ribeiro's paper (together with Tomaz Prosen) "Symmetry Classification of Many-Body Lindbladians: Tenfold Way and Beyond" was published in Physical Review X
New preprint by H. Lóio, M. Gonçalves and P.Ribeiro: "Third-order topological insulator induced by disorder"
Hugo Lóio, Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Third-order topological insulator induced by disorder" in collaboration with Eduardo V. Castro.
New preprint by L. Sá: "Sixfold way of traversable wormholes in the Sachdev-Ye-Kitaev model"
Lucas Sá posted a new arXiv preprint: "Sixfold way of traversable wormholes in the Sachdev-Ye-Kitaev model", in collaboration with Antonio García-García, Jacobus Verbaarschot, and Yin Can
New preprint by M. Gonçalves, F. Riche and P. Ribeiro: "Incommensurability enabled quasi-fractal order in 1D narrow-band moiré systems"
Miguel Gonçalves, Flavio Riche and Pedro Ribeiro released a new arXiv preprint: "Incommensurability enabled quasi-fractal order in 1D narrow-band moiré systems" in collaboration with Bruno Amorim and Eduardo V. Castro.
Two new papers by L. Sá in PRD
Lucas Sá published two new paper in Physical Review D: "Universality and its limits in non-Hermitian many-body quantum chaos using the Sachdev-Ye-Kitaev model" and "Keldysh wormholes and anomalous relaxation in the dissipative Sachdev-Ye-Kitaev model"
New preprint by M. Gonçalves and P. Ribeiro: "Short-range interactions are irrelevant at the quasiperiodic-driven Luttinger Liquid to Anderson Glass transition"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Short-range interactions are irrelevant at the quasiperiodic-driven Luttinger Liquid to Anderson Glass transition" in collaboration with Jedediah H. Pixley, Bruno Amorim and Eduardo V. Castro.
New preprint by M. Gonçalves and P. Ribeiro: "Incommensurability-Induced Enhancement of Superconductivity in One Dimensional Critical Systems"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Incommensurability-Induced Enhancement of Superconductivity in One Dimensional Critical Systems" in collaboration with Ricardo Oliveira, Eduardo V. Castro and Bruno Amorim.
New article by M. Gonçalves and P. Ribeiro in PRB: "Delocalization of topological surface states by diagonal disorder in nodal loop semimetals"
Pedro Ribeiro and Miguel Gonçalves published a new paper in Physical Review B: "Delocalization of topological surface states by diagonal disorder in nodal loop semimetals" with João S. Silva, Miguel A. N. Araújo and Eduardo V. Castro
New preprint by M. Gonçalves and P. Ribeiro: "Topological phase transitions for any taste in 2D quasiperiodic systems"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Topological phase transitions for any taste in 2D quasiperiodic systems" in collaboration with Tiago Gonçalves, Eduardo V. Castro and Bruno Amorim.
New preprint by L. Sá and P. Ribeiro: "Symmetry Classification of Many-Body Lindbladians: Tenfold Way and Beyond"
Lucas Sá and Pedro Ribeiro posted a new arXiv preprint: "Symmetry Classification of Many-Body Lindbladians: Tenfold Way and Beyond"
New preprint by L. Sá: "Universality and its limits in non-Hermitian many-body quantum chaos using the Sachdev-Ye-Kitaev model"
Lucas Sá submitted a new preprint to the arXiv: "Universality and its limits in non-Hermitian many-body quantum chaos using the Sachdev-Ye-Kitaev model"
New preprint by J. Costa, P. Ribeiro, and L. Sá: "Spectral and steady-state properties of fermionic random quadratic Liouvillians"
João Costa, Pedro Ribeiro, and Lucas Sá submitted a new preprint to the arXiv: "Spectral and steady-state properties of fermionic random quadratic Liouvillians"
New preprint by L. Sá: "Keldysh Wormholes and Anomalous Relaxation in the Dissipative Sachdev-Ye-Kitaev Model"
Lucas Sá submitted a new preprint to the arXiv: "Keldysh Wormholes and Anomalous Relaxation in the Dissipative Sachdev-Ye-Kitaev Model"
Exchange Award for L. Sá
Lucas Sá awarded a QuantEmX Junior Long Term Exchange Award (sponsored by ICAM - I2CAM) to visit Princeton University
New preprint by M. Gonçalves and P. Ribeiro: "Delocalization of topological surface states by diagonal disorder in nodal loop semimetals"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Delocalization of topological surface states by diagonal disorder in nodal loop semimetals"
New article by M. Gonçalves and P. Ribeiro in Scipost Physics: "Hidden dualities in 1D quasiperiodic lattice models"
Miguel Gonçalves and Pedro Ribeiro published a new paper in Scipost Physics: "Hidden dualities in 1D quasiperiodic lattice models" with Eduardo V. Castro and Bruno Amorim
New preprint by M. Gonçalves and P. Ribeiro: "Critical phase in a class of 1D quasiperiodic models with exact phase diagram and generalized dualities"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Critical phase in a class of 1D quasiperiodic models with exact phase diagram and generalized dualities" with Eduardo V. Castro and Bruno Amorim
New preprint by M. Gonçalves and P. Ribeiro: "Renormalization-Group Theory of 1D quasiperiodic lattice models with commensurate approximants"
Miguel Gonçalves and Pedro Ribeiro released a new arXiv preprint: "Renormalization-Group Theory of 1D quasiperiodic lattice models with commensurate approximants" with Eduardo V. Castro and Bruno Amorim.
New article by L. Sá in PRX: "Symmetry Classification and Universality in Non-Hermitian Many-Body Quantum Chaos by the Sachdev-Ye-Kitaev Model"
Lucas Sá published a new paper in Physical Review X: "Symmetry Classification and Universality in Non-Hermitian Many-Body Quantum Chaos by the Sachdev-Ye-Kitaev Model" with A. García-García and J. Verbaarschot
Online talk at Bielefeld-Melbourne
Lucas Sá gave a talk at the Bielfeld-Melbourne online seminar series on Random Matrices and Applications invited by Prof. Gernot Akemann
Talk at MPI-PKS
Pedro Ribeiro give a talk at the OpenQ22
Online talk at the Niels Bohr Institute
Pedro Ribeiro give a talk at the Niels Bohr Institute invited by Prof. Jens Paaske
Online talk at Nordita
Pedro Ribeiro give an online talk at Nordita invited by Prof. Alexander Balatsky
New article by L. Sá: "Q-Laguerre spectral density and quantum chaos in the Wishart-Sachdev-Ye-Kitaev model"
Lucas Sá published a new paper in Physical Review D: "Q-Laguerre spectral density and quantum chaos in the Wishart-Sachdev-Ye-Kitaev model"
New preprint by L. Sá: "Lindbladian dissipation of strongly-correlated quantum matter"
Lucas Sá and Pedro Ribeiro released a new arXiv preprint: "Lindbladian dissipation of strongly-correlated quantum matter"
New article by M. Gonçalves: "Incommensurability-induced sub-ballistic narrow-band-states in twisted bilayer graphene"
Miguel Gonçalves and Hadi Olyaei published a new paper on 2D Materials https://doi.org/10.1088/2053-1583/ac3259