Shortcuts to adiabaticity: Concepts, methods, and applications
Shortcuts to adiabaticity (STA) are fast routes to the final results of slow, adiabatic changes
of the controlling parameters of a system. The shortcuts are designed by a set of analytical …
of the controlling parameters of a system. The shortcuts are designed by a set of analytical …
Spin quantum heat engines with shortcuts to adiabaticity
B Çakmak, ÖE Müstecaplıoğlu - Physical Review E, 2019 - APS
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 …
Energetic cost of Hamiltonian quantum gates
S Deffner - Europhysics Letters, 2021 - iopscience.iop.org
Landauer's principle laid the main foundation for the development of modern
thermodynamics of information. However, in its original inception the principle relies on …
thermodynamics of information. However, in its original inception the principle relies on …
Optimal STIRAP shortcuts using the spin-to-spring mapping
We derive STIRAP (stimulated Raman adiabatic passage) shortcuts to adiabaticity
maximizing population transfer in a three-level Λ quantum system, using spin-to-spring …
maximizing population transfer in a three-level Λ quantum system, using spin-to-spring …
Genetic optimization of quantum annealing
The study of optimal control of quantum annealing by modulating the pace of evolution and
by introducing a counterdiabatic potential has gained significant attention in recent times. In …
by introducing a counterdiabatic potential has gained significant attention in recent times. In …
Tight, robust, and feasible quantum speed limits for open dynamics
Starting from a geometric perspective, we derive a quantum speed limit for arbitrary open
quantum evolution, which could be Markovian or non-Markovian, providing a fundamental …
quantum evolution, which could be Markovian or non-Markovian, providing a fundamental …
An efficient nonlinear Feshbach engine
We investigate a thermodynamic cycle using a Bose–Einstein condensate (BEC) with
nonlinear interactions as the working medium. Exploiting Feshbach resonances to change …
nonlinear interactions as the working medium. Exploiting Feshbach resonances to change …
Localization effects in disordered quantum batteries
We investigate the effect of localization on the local charging of quantum batteries (QBs)
modeled by disordered spin systems. Two distinct schemes based on the transverse-field …
modeled by disordered spin systems. Two distinct schemes based on the transverse-field …
Adiabatic critical quantum metrology cannot reach the Heisenberg limit even when shortcuts to adiabaticity are applied
We show that the quantum Fisher information attained in an adiabatic approach to critical
quantum metrology cannot lead to the Heisenberg limit of precision and therefore $ regular …
quantum metrology cannot lead to the Heisenberg limit of precision and therefore $ regular …
Energetic cost of quantum control protocols
We quantitatively assess the energetic cost of several well-known control protocols that
achieve a finite time adiabatic dynamics, namely counterdiabatic and local counterdiabatic …
achieve a finite time adiabatic dynamics, namely counterdiabatic and local counterdiabatic …