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 …

Quantum thermal machines and batteries

S Bhattacharjee, A Dutta - The European Physical Journal B, 2021 - Springer
The seminal work by Sadi Carnot in the early nineteenth century provided the blueprint of a
reversible heat engine and the celebrated second law of thermodynamics eventually …

Quantum fluctuations hinder finite-time information erasure near the Landauer limit

HJD Miller, G Guarnieri, MT Mitchison, J Goold - Physical Review Letters, 2020 - APS
Information is physical but information is also processed in finite time. Where computing
protocols are concerned, finite-time processing in the quantum regime can dynamically …

Speed-ups to isothermality: Enhanced quantum thermal machines through control of the system-bath coupling

N Pancotti, M Scandi, MT Mitchison, M Perarnau-Llobet - Physical Review X, 2020 - APS
Isothermal transformations are minimally dissipative but slow processes, as the system
needs to remain close to thermal equilibrium along the protocol. Here, we show that …

Optimal state manipulation for a two-qubit system driven by coherent and incoherent controls

OV Morzhin, AN Pechen - Quantum Information Processing, 2023 - Springer
Optimal control of two-qubit quantum systems attracts high interest due to applications
ranging from two-qubit gate generation to optimization of receiver for transferring coherence …

Many-body quantum heat engines with shortcuts to adiabaticity

A Hartmann, V Mukherjee, W Niedenzu… - Physical Review …, 2020 - APS
Quantum heat engines are modeled by thermodynamic cycles with quantum-mechanical
working media. Since high engine efficiencies require adiabaticity, a major challenge is to …

Quantum finite-time thermodynamics: insight from a single qubit engine

R Dann, R Kosloff, P Salamon - Entropy, 2020 - mdpi.com
Incorporating time into thermodynamics allows for addressing the tradeoff between
efficiency and power. A qubit engine serves as a toy model in order to study this tradeoff …

Control landscapes for high-fidelity generation of C-NOT and C-PHASE gates with coherent and environmental driving

AN Pechen, VN Petruhanov, OV Morzhin… - The European Physical …, 2024 - Springer
High-fidelity generation of two-qubit gates is important for quantum computation, since such
gates are components of popular universal sets of gates. Here, we consider the problem of …

Unification of the first law of quantum thermodynamics

R Dann, R Kosloff - New Journal of Physics, 2023 - iopscience.iop.org
Underlying the classical thermodynamic principles are analogous microscopic laws, arising
from the fundamental axioms of quantum mechanics. These define quantum thermodynamic …

Controlling the uncontrollable: Quantum control of open-system dynamics

S Kallush, R Dann, R Kosloff - Science Advances, 2022 - science.org
Control of open quantum systems is essential for the realization of contemporary quantum
science and technology. We demonstrate such control using a thermodynamically consistent …