Shortcuts to adiabaticity

E Torrontegui, S Ibáñez, S Martínez-Garaot… - Advances in atomic …, 2013 - Elsevier
Quantum adiabatic processes—that keep constant the populations in the instantaneous
eigenbasis of a time-dependent Hamiltonian—are very useful to prepare and manipulate …

Fast-forward scaling theory

S Masuda, K Nakamura - Philosophical Transactions of …, 2022 - royalsocietypublishing.org
Speed is the key to further advances in technology. For example, quantum technologies,
such as quantum computing, require fast manipulations of quantum systems in order to …

Minimum-time generation of a uniform superposition in a qubit with only transverse field control

V Evangelakos, E Paspalakis, D Stefanatos - Physical Review A, 2023 - APS
We consider a two-level system with a fixed energy spacing (detuning) between the two
levels and a single transverse control field which can take values between zero and a …

Delta-kick cooling, time-optimal control of scale-invariant dynamics, and shortcuts to adiabaticity assisted by kicks

L Dupays, DC Spierings, AM Steinberg… - Physical Review …, 2021 - APS
Delta-kick cooling (DKC) is used to compress the momentum distribution of ultracold
quantum matter. It combines expansion dynamics with the use of kick pulses, designed via …

Connection between inverse engineering and optimal control in shortcuts to adiabaticity

Q Zhang, X Chen, D Guéry-Odelin - Entropy, 2021 - mdpi.com
We consider fast high-fidelity quantum control by using a shortcut to adiabaticity (STA)
technique and optimal control theory (OCT). Three specific examples, including expansion …

Feshbach engine in the Thomas-Fermi regime

T Keller, T Fogarty, J Li, T Busch - Physical Review Research, 2020 - APS
Bose-Einstein condensates can be used to produce work by tuning the strength of the
interparticle interactions with the help of Feshbach resonances. In inhomogeneous …

Maximizing entanglement in bosonic Josephson junctions using shortcuts to adiabaticity and optimal control

D Stefanatos, E Paspalakis - New Journal of Physics, 2018 - iopscience.iop.org
In this article we consider a bosonic Josephson junction, a model system composed by two
coupled nonlinear quantum oscillators which can be implemented in various physical …

Shortcut to adiabatic control of soliton matter waves by tunable interaction

J Li, K Sun, X Chen - Scientific Reports, 2016 - nature.com
We propose a method for shortcut to adiabatic control of soliton matter waves in harmonic
traps. The tunable interaction controlled by Feshbach resonance is inversely designed to …

Shortcuts to adiabaticity for an interacting Bose–Einstein condensate via exact solutions of the generalized Ermakov equation

TY Huang, BA Malomed, X Chen - Chaos: An Interdisciplinary Journal …, 2020 - pubs.aip.org
Shortcuts to adiabatic expansion of the effectively one-dimensional Bose–Einstein
condensate (BEC) loaded in the harmonic-oscillator (HO) trap are investigated by combining …

Optimal shortcuts to adiabaticity for a quantum piston

D Stefanatos - Automatica, 2013 - Elsevier
In this paper we use optimal control to design minimum-time adiabatic-like paths for the
expansion of a quantum piston. Under realistic experimental constraints, we calculate the …