GRAPE optimization for open quantum systems with time-dependent decoherence rates driven by coherent and incoherent controls
VN Petruhanov, AN Pechen - Journal of Physics A: Mathematical …, 2023 - iopscience.iop.org
Abstract The GRadient Ascent Pulse Engineering (GRAPE) method is widely used for
optimization in quantum control. GRAPE is gradient search method based on exact …
optimization in quantum control. GRAPE is gradient search method based on exact …
Non-Hermitian pseudomodes for strongly coupled open quantum systems: Unravelings, correlations, and thermodynamics
The pseudomode framework provides an exact description of the dynamics of an open
quantum system coupled to a non-Markovian environment. Using this framework, the …
quantum system coupled to a non-Markovian environment. Using this framework, the …
[HTML][HTML] Dynamics of a strongly coupled quantum heat engine—Computing bath observables from the hierarchy of pure states
V Boettcher, R Hartmann, K Beyer… - The Journal of Chemical …, 2024 - pubs.aip.org
We present a fully quantum dynamical treatment of a quantum heat engine and its baths
based on the Hierarchy of Pure States (HOPS), an exact and general method for open …
based on the Hierarchy of Pure States (HOPS), an exact and general method for open …
A quantum otto engine with shortcuts to thermalization and adiabaticity
A Pedram, SC Kadıoğlu, A Kabakçıoğlu… - New Journal of …, 2023 - iopscience.iop.org
We investigate the energetic advantage of accelerating a quantum harmonic oscillator Otto
engine by use of shortcuts to adiabaticity (for the expansion and compression strokes) and …
engine by use of shortcuts to adiabaticity (for the expansion and compression strokes) and …
Measurement-based quantum Otto engine with a two-spin system coupled by anisotropic interaction: Enhanced efficiency at finite times
We have studied the performance of a measurement-based quantum Otto engine (QOE) in a
working system of two spins coupled by Heisenberg anisotropic interaction. A nonselective …
working system of two spins coupled by Heisenberg anisotropic interaction. A nonselective …
Quantum field heat engine powered by phonon-photon interactions
We present a quantum heat engine based on a cavity with two oscillating mirrors that
confine a quantum field. The engine performs an Otto cycle during which the walls and a …
confine a quantum field. The engine performs an Otto cycle during which the walls and a …
Anti-Zeno purification of spin baths by quantum probe measurements
The quantum Zeno and anti-Zeno paradigms have thus far addressed the evolution control
of a quantum system coupled to an immutable bath via non-selective measurements …
of a quantum system coupled to an immutable bath via non-selective measurements …
Supersensitive phase estimation by thermal light in a Kerr-nonlinear interferometric setup
Estimation of the phase delay between interferometer arms is the core of transmission phase
microscopy. Such phase estimation may exhibit an error below the standard quantum (shot …
microscopy. Such phase estimation may exhibit an error below the standard quantum (shot …
Thermodynamic sensing of quantum nonlinear noise correlations
We put forth the concept of quantum noise sensing in nonlinear two-mode interferometers
coupled to mechanical oscillators. These autonomous machines are capable of sensing …
coupled to mechanical oscillators. These autonomous machines are capable of sensing …
Speed limits of the trace distance for open quantum system
We investigate the speed limit of the state transformation in open quantum systems
described by the Lindblad type quantum master equation. We obtain universal bounds of the …
described by the Lindblad type quantum master equation. We obtain universal bounds of the …