Optimal control methods for quantum batteries
We investigate the optimal charging processes for several models of quantum batteries,
finding how to maximize the energy stored in a given battery with a finite-time modulation of …
finding how to maximize the energy stored in a given battery with a finite-time modulation of …
Thermodynamic length in open quantum systems
The dissipation generated during a quasistatic thermodynamic process can be
characterised by introducing a metric on the space of Gibbs states, in such a way that …
characterised by introducing a metric on the space of Gibbs states, in such a way that …
Spin quantum heat engines with shortcuts to adiabaticity
We consider a finite-time quantum Otto cycle with single-and two spin-1/2 systems as its
working medium. To mimic adiabatic dynamics at a finite time, we employ a shortcut-to …
working medium. To mimic adiabatic dynamics at a finite time, we employ a shortcut-to …
Engineering dynamical couplings for quantum thermodynamic tasks
Describing the thermodynamic properties of quantum systems far from equilibrium is
challenging, in particular when the system is strongly coupled to its environment, or when …
challenging, in particular when the system is strongly coupled to its environment, or when …
Maximum power and corresponding efficiency for two-level heat engines and refrigerators: optimality of fast cycles
We study how to achieve the ultimate power in the simplest, yet non-trivial, model of a
thermal machine, namely a two-level quantum system coupled to two thermal baths. Without …
thermal machine, namely a two-level quantum system coupled to two thermal baths. Without …
Differentiable molecular simulations for control and learning
Molecular dynamics simulations use statistical mechanics at the atomistic scale to enable
both the elucidation of fundamental mechanisms and the engineering of matter for desired …
both the elucidation of fundamental mechanisms and the engineering of matter for desired …
Maximum-power heat engines and refrigerators in the fast-driving regime
We study the optimization of the performance of arbitrary periodically driven thermal
machines. Within the assumption of fast modulation of the driving parameters, we derive the …
machines. Within the assumption of fast modulation of the driving parameters, we derive the …
Extrapolating the thermodynamic length with finite-time measurements
The thermodynamic length, though providing a lower bound for the excess work required in
a finite-time thermodynamic process, is determined by the properties of the equilibrium …
a finite-time thermodynamic process, is determined by the properties of the equilibrium …
Fully differentiable optimization protocols for non-equilibrium steady states
In the case of quantum systems interacting with multiple environments, the time-evolution of
the reduced density matrix is described by the Liouvillian. For a variety of physical …
the reduced density matrix is described by the Liouvillian. For a variety of physical …
[HTML][HTML] Floquet engineering of quantum thermal machines: A gradient-based spectral method to optimize their performance
A Castro - Physics Letters A, 2025 - Elsevier
A procedure to find optimal regimes for quantum thermal engines (QTMs) is described and
demonstrated. The QTMs are modelled as the periodically-driven non-equilibrium steady …
demonstrated. The QTMs are modelled as the periodically-driven non-equilibrium steady …