P R O J E C T   O P T I Q U T E

Title: Optimisation methods for quantum technologies
Duration: 01/07/2019 - 30/06/2023
Principal Investigator: doc. Mário Ziman, PhD
Budget: 180 000 €

Project Annotation: Future quantum technologies are aiming to enhance our computational power, secure our communication, but also increase precision of our detection devices (from detectors of gravitational waves to medicine diagnostics methods). The effort of researchers included in this project is focused on optimisation of theoretical proposals, also by taking into account more realistic models reflecting the situations outside the laboratories. Our project joins the second quantum revolution on the side of theory, while aiming at mid-term quantum technology applications. We will develop novel tools and methods for improving the performaidence of quantum measurement, simulation and optimization devices. In particular, we aim to investigate the mathematical structure of quantum information resources in order to utilize them in novel and efficient quantum metrology applications and quantum simulations. The planned analysis of higher-order quantum structures and related optimal information processing is uncovering new quantum resouces (e.g. quantum causality, memory) that has potential to boost qualitatively the performance of quantum computation and communication technologies. Our plans to optimize tensor network algorithms by using the structure of interactions (space-time) are definitely enlarging our chances for efficient quantum simulations of physically relevant quantum many-body systems. Project tasks are divided into three workpackages aiming to optimize quantum structures, develop optimal higher-order quantum information processing and optimisation of tensor network algorithms.

Researchers: Djeylan Aktas, Vladimír Bužek, David Davalos, Hazhir Dolakthah, Andrej Gendiar, Seyed Arash Ghoreishi, Roman Krčmár, Hamed Mohammady, Natália S. Móller, Chiranjib Mukhopadhyay, Daniel Nagaj, Peter Rapčan, Daniel Reitzner, Michal Sedlák, Sk Sazim Sheik, Mario Ziman,
Students: Ricardo Cardoso, Denisa Lampášová, Nidhin Sudarshan Ragini, Nidhin Jaroslav Pavličko, Shivang Srivastava

  1. Maryam Hadipour, Soroush Haseli, Hazhir Dolatkhah, Saeed Haddadi, Artur Czerwinski: Quantum Speed Limit for a Moving Qubit inside a Leaky Cavity, Photonics 9, 875 (2022)
  2. Jaroslav Pavličko, Mário Ziman: Robustness of optimal probabilistic storage and retrieval of unitary channels to noise, Phys. Rev. A 106, 052416 (2022)
  3. Mohd Asad Siddiqui, Sk Sazim: Mermin and Svetlichny inequalities for non-projective measurement observables, J. Phys. A: Math. Theor. 55 465301 (2022)
  4. Fatemeh Ahmadi, Soroush Haseli, Maryam Hadipour, Sara Heshmatian, Hazhir Dolatkhah & Shahriar Salimi: Quantum Speed Limit Time of Topological Qubits Influenced by the Fermionic and Bosonic Environments, Brazilian Journal of Physics 52, 85 (2022)
  5. Jose Alfredo de Leon, Alejandro Fonseca, Francois Leyvraz, David Davalos, Carlos Pineda: Pauli component erasing operations, Phys. Rev. A 106, 042604 (2022)
  6. Youssef Khedif, Saeed Haddadi, Mohammed Daoud, Hazhir Dolatkhah, Mohammad Reza Pourkarimi: Non-classical correlations in a Heisenberg spin model with Heitler–London approach, Quantum Information Processing 21, 235 (2022)
  7. Hazhir Dolatkhah, Abolhassan Mohammadi & Soroush Haseli: The tripartite quantum-memory-assisted entropic uncertainty relation and upper bound on shareability of quantum discorrd, Scientific Reports 12, 4101 (2022)
  8. Hazhir Dolatkhah, Saeed Haddadi, Ming-Liang Hu, Mohammad Reza Pourkarimi: Characterizing tripartite entropic uncertainty under random telegraph noise, Quantum Information Processing 21, 356 (2022)
  9. Saubhik Sarkar, Chiranjib Mukhopadhyay, Abhijeet Alase, Abolfazl Bayat: Free-Fermionic Topological Quantum Sensors, Phys. Rev. Lett. 129, 090503 (2022)
  10. Hazhir Dolatkhah, Saeed Haddadi, Soroush Haseli, Mohammad Reza Pourkarimi, Mário Ziman: Tripartite quantum-memory-assisted entropic uncertainty relations for multiple measurements, The European Physical Journal Plus 137, 1163 (2022)
  11. Teiko Heinosaari, Leevi Leppäjärvi: Random access test as an identifier of nonclassicality, J. Phys. A: Math. Theor. 55, 174003 (2022)
  12. Jozef Genzor, Andrej Gendiar, Ying-Jer Kao: J1-J2 fractal studied by multirecursion tensor-network method, Phys. Rev. E 105, 024124 (2022)
  13. Sanuja D. Mohanty, Sk Sazim, Biswajit Pradhan, Arun K. Pati: Creation of quantum coherence with general measurement processes, Quantum Information Processing, 21, 48 (2022)
  14. Saeed Haddadi, Ming-Liang Hu, Youssef Khedif, Hazhir Dolatkhah, Mohammad Reza Pourkarimi, Mohammed Daoud: Measurement uncertainty and dense coding in a two-qubit system: Combined effects of bosonic reservoir and dipole–dipole interaction, Results in Physics 32, 105041 (2022)
  15. Seyed Arash Ghoreishi, Mário Ziman: Minimum-error discrimination of thermal states, Phys. Rev. A 104, 062402 (2021) , DOI: 10.1103/PhysRevA.104.062402
  16. Harry J. D. Miller, M. Hamed Mohammady, Martí Perarnau-Llobet, Giacomo Guarnieri: Thermodynamic uncertainty relation in slowly driven quantum heat engines, Physical Review Letters 126, 210603 (2021) , DOI: 10.1103/PhysRevLett.126.21060
  17. Sk Sazim, Michal Sedlák, Kratveer Singh, and Arun Kumar Pati: Classical Communications with Indefinite Causal Order for N completely depolarizing channels, Phys. Rev. A 103, 062610 (2021) , DOI: 10.1103/PhysRevA.103.062610
  18. Harry J. D. Miller, M. Hamed Mohammady, Martí Perarnau-Llobet, Giacomo Guarnieri: Joint statistics of work and entropy production along quantum trajectories, Phys. Rev. E 103, 052138 (2021), DOI: 10.1103/PhysRevE.103.052138
  19. M. Hamed Mohammady: Self-consistency of the Two-Point energy Measurement protocol, Phys. Rev. A 103, 042214 (2021), DOI: 10.1103/PhysRevA.103.042214
  20. Leevi Leppäjärvi, Michal Sedlák: Post-processing of quantum instruments, Phys. Rev. A 103, 022615 (2021), DOI: 10.1103/PhysRevA.103.022615
  21. Daniel Nagaj, Dominik Hangleiter, Jens Eisert, Martin Schwarz: Pinned QMA: The power of fixing a few qubits in proofs, Physical Review A 103, 012604 (2021), DOI: 10.1103/PhysRevA.103.012604
  22. Michal Sedlák, Mário Ziman: Probabilistic storage and retrieval of qubit phase gates, Physical Review A 102, 032618 (2020)
  23. Martin Plávala, Mário Ziman: Popescu-Rohrlich box implementation in general probabilistic theory of processes, Physics Letters A 384, 126323 (2020)
  24. Chiranjib Mukhopadhyay, Arun Kumar Pati: Superposition of causal order enables perfect quantum teleportation with very noisy singlets, Journal of Physics Communication 4, 105003 (2020)