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Quantum Information Theory

Prof. Dr. Antonio Acín

antonio.acin@icfo.eu
Calls Open

Activities

The main research objective of the group is to understand how quantum laws can be exploited to design novel protocols for information processing and communication, with an emphasis on quantum cryptography.

The research effort goes from very abstract questions, such as security proofs of cryptographic protocols or characterising correlations beyond quantum physics, to proposals for the implementation of quantum information protocols and collaborations with experimental groups. The group activities also cover research questions in other fields, such as quantum thermodynamics, quantum foundations, quantum optics and many-body physics.

The group has opportunities for outstanding PhD students and postdocs. For more information, please contact Prof. Antonio Acín directly. Information on application procedures can be found on the ICFO jobs website.

Group Research Interests

Interest
Certification of Quantum Technologies
Interest
Device-independent Quantum Information Processing
Interest
Quantum Information beyond Quantum Information
Interest
Quantum Information for Optimization and Machine Learning
Interest
Quantum Networks

Collaborations

  • Leandro Aolia, Universidade Federal de Rio de Janeiro
  • Remigiusz Augusiak, Center for Theoretical Physics, Warsaw 
  • Ariel Bendersky, University of Buenos Aires
  • Nadja Kolb Bernardes, Universidade Federal de Pernambuco
  • Nicolas Brunner, University of Geneva
  • Rafael Chaves, IIP Natal
  • J. Ignacio Cirac, Max-Planck-Institut für Quantenoptik
  • Nicolas Gisin, University of Geneva
  • Christian Gogolin, Covestro Deustchland
  • Matthew Hoban, Goldsmiths, University of London
  • Jan Kolodynski, University of Warsaw
  • Gustavo Lima, Universidad de Concepcion
  • Lluis Masanes, University College London
  • Miguel Navascués, Institute for Quantum Optics and Quantum Information, Vienna
  • Stefano Pironio, Université Libre de Bruxelles
  • Ana Belen Sainz, University of Gdansk
  • Valerio Scarani, Centre for Quantum Technologies, Singapore
  • Paul Skrzypczyk, University of Bristol
  • Jordi Tura, University of Leiden
  • Elie Wolfe, Perimeter Institut

Publications Highlights

Quantum theory based on real numbers can be experimentally falsified
M. Renou, 
D. Trillo, 
M. Weilenmann, 
T. P. Le, 
A. Tavakoli, 
N. Gisin, 
A. Acín, 
M. Navascués
Nature 600, 625-629 (2021)
Unsupervised phase discovery with deep anomaly detection
K. Kottmann, 
P. Huembeli, 
M. Lewenstein, 
A. Acín
Phys. Rev. Lett. 125, 170603 (2020)
Connector tensor networks: a renormalization-type approach to quantum certification
M. Navascués, 
S. Singh, 
A. Acín
Phys. Rev. X 10, 021064 (2020)
Bounding the sets of classical and quantum correlations in networks
A. Pozas-Kerstjens, 
R. Rabelo, 
L. Rudnicki, 
R. Chaves, 
D. Cavalcanti, 
M. Navascués, 
A. Acín
Phys. Rev. Lett. 123, 140503 (2019)

Funding

  • ERC AdG CERQUTE
  • AXA Chair in Quantum Information Science
  • EU projects CiviQ and QRANGE
  • Government of Spain (FIS2020-TRANQI, Retos Quspin and Severo Ochoa CEX2019-000910-S)
  • Generalitat de Catalunya (SGR 1381, QuantumCAT and CERCA Programme)
  • Fundacio Cellex
  • Fundacio Mir-Puig
Calls Open