EPHEQUCS EMERGENT PHENOMENA AND DECOHERENCE IN QUANTUM COMPLEX SYSTEMS

  • P.I.: Roberta Zambrini
  • Coordinator: Roberta Zambrini
  • Start date: Jan. 1, 2017
  • End date: Dec. 31, 2019

Impressive progress in isolating and manipulating single quantum systems and recent developments in secure communications, sensors, metrology and computation, based on quantum physics and information are at the basis of the envisaged second revolution in quantum science and technologies. We are on the verge of assembling large collections of coupled quantum units where quantum simulations can be already performed with reasonable accuracy and control, in platforms based on ultracold atoms in optical lattices, trapped ions, arrays of superconducting qubits or of quantum dots and photons. In this context we propose to address questions on the interface of the fields of complex systems, quantum information, and open quantum systems, focusing (i) on quantum synchronization and super-radiance in arrays of coupled optomechanical resonators, (ii) on the modeling and analysis of quantum dissipation for many units in correlated substrates/environments as well as (iii) on the possibility to engineer periodic or more complex structures to protect systems of interest from decoherence.

Researchers

  • Roberta Zambrini

    Roberta Zambrini

  • Gian Luca Giorgi

    Gian Luca Giorgi

  • Albert Cabot

    Albert Cabot

  • Marco Cattaneo

    Marco Cattaneo

  • Rodrigo Martínez

    Rodrigo Martínez

  • Johannes Nokkala

Recent Publications

Synchronization and collective phenomena in quantum dissipative systems

Cabot, Albert (supervisors: Zambrini, Roberta; Giorgi, Gian Luca)
PhD Thesis (2021)

Synchronization and Non-Markovianity in open quantum systems

Karpat, G; Yalçınkaya, İ; Çakmak, B; Giorgi, G. L.; Zambrini, R
Physical Review A 103, 062217 (1-10) (2021)

Intermittent decoherence blockade in a chiral ring environment

Lorenzo, Salvatore; Longhi, Stefano; Cabot, Albert; Zambrini, Roberta; Giorgi Gian Luca
Scientific Reports 11, 12834 (1-10) (2021)

Synchronization and coalescence in a dissipative two-qubit system

Cabot, Albert; Giorgi, Gian Luca; Zambrini, Roberta
Proceedings of the Royal Society A: mathematical, physical and engineering sciences 477, 20200850 (2021)

Bath-induced collective phenomena on superconducting qubits: synchronization, subradiance, and entanglement generation

Cattaneo, Marco; Giorgi, Gian Luca; Maniscalco, Sabrina; Paraoanu, Gheorghe Sorin; Zambrini, Roberta
Annalen Der Physik 533, 2100038 (2021)

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