Quantum optimal control in quantum technologies. Strategic report on current status, visions and goals for research in Europe

CP Koch, U Boscain, T Calarco, G Dirr… - EPJ Quantum …, 2022 - epjqt.epj.org
Quantum optimal control, a toolbox for devising and implementing the shapes of external
fields that accomplish given tasks in the operation of a quantum device in the best way …

Learning quantum systems

V Gebhart, R Santagati, AA Gentile, EM Gauger… - Nature Reviews …, 2023 - nature.com
The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

Criticality-enhanced quantum sensing via continuous measurement

T Ilias, D Yang, SF Huelga, MB Plenio - PRX Quantum, 2022 - APS
Present protocols of criticality-enhanced sensing with open quantum sensors assume direct
measurement of the sensor and omit the radiation quanta emitted to the environment …

Open quantum system dynamics and the mean force Gibbs state

AS Trushechkin, M Merkli, JD Cresser… - AVS Quantum Science, 2022 - pubs.aip.org
The dynamical convergence of a system to the thermal distribution, or Gibbs state, is a
standard assumption across all of the physical sciences. The Gibbs state is determined just …

Collision models can efficiently simulate any multipartite Markovian quantum dynamics

M Cattaneo, G De Chiara, S Maniscalco, R Zambrini… - Physical Review Letters, 2021 - APS
We introduce the multipartite collision model, defined in terms of elementary interactions
between subsystems and ancillas, and show that it can simulate the Markovian dynamics of …

Symmetries and conserved quantities of boundary time crystals in generalized spin models

G Piccitto, M Wauters, F Nori, N Shammah - Physical Review B, 2021 - APS
We investigate how symmetries and conserved quantities relate to the occurrence of the
boundary time crystal (BTC) phase in a generalized spin model with Lindblad dissipation …

Exact solutions of interacting dissipative systems via weak symmetries

A McDonald, AA Clerk - Physical Review Letters, 2022 - APS
We demonstrate how the presence of continuous weak symmetry can be used to analytically
diagonalize the Liouvillian of a class of Markovian dissipative systems with strong …

Open system dynamics from thermodynamic compatibility

R Dann, R Kosloff - Physical Review Research, 2021 - APS
Thermodynamics entails a set of mathematical conditions on quantum Markovian dynamics.
In particular, strict energy conservation between the system and environment implies that the …

Self-consistent microscopic derivation of Markovian master equations for open quadratic quantum systems

A D'Abbruzzo, D Rossini - Physical Review A, 2021 - APS
We provide a rigorous construction of Markovian master equations for a wide class of
quantum systems that encompass quadratic models of finite size, linearly coupled to an …

Bath‐Induced Collective Phenomena on Superconducting Qubits: Synchronization, Subradiance, and Entanglement Generation

M Cattaneo, GL Giorgi, S Maniscalco… - Annalen der …, 2021 - Wiley Online Library
A common environment acting on a pair of qubits gives rise to a plethora of different
phenomena, such as the generation of qubit–qubit entanglement, quantum synchronization …