Shortcuts to adiabaticity: theoretical framework, relations between different methods, and versatile approximations

T Hatomura - Journal of Physics B: Atomic, Molecular and Optical …, 2024 - iopscience.iop.org
Shortcuts to adiabaticity guide given systems to final destinations of adiabatic control via fast
tracks. Various methods have been proposed as shortcuts to adiabaticity. The basic theory …

Spin squeezing in internal bosonic Josephson junctions via enhanced shortcuts to adiabaticity

M Odelli, VM Stojanović, A Ruschhaupt - Physical Review Applied, 2023 - APS
We investigate a time-efficient and robust preparation of spin-squeezed states—a class of
states of interest for quantum enhanced metrology—in internal bosonic Josephson junctions …

Fast adiabatic preparation of multisqueezed states by jum** along the path

C Chen, JY Lu, XY Chen, ZY Wang - Physical Review A, 2024 - APS
Multisqueezed states, also known as generalized squeezed states, are valuable quantum
non-Gaussian resources, because they can feature nonclassical properties such as large …

Coherent atom transport via enhanced shortcuts to adiabaticity: Double-well optical lattice

SH Hauck, VM Stojanović - Physical Review Applied, 2022 - APS
Theoretical studies of coherent atom transport have as yet mainly been restricted to one-
dimensional model systems with harmonic trap** potentials. Here we investigate this …

Twist-and-turn dynamics of spin squeezing in bosonic Josephson junctions: Enhanced shortcuts-to-adiabaticity approach

M Odelli, A Ruschhaupt, VM Stojanović - Physical Review A, 2024 - APS
The twist-and-turn dynamics of spin squeezing results from the interplay of the one-axis-
twisting (nonlinear in the collective-spin operators) and the transverse-field turning (linear) …

Improved anharmonic trap expansion through enhanced shortcuts to adiabaticity

C Whitty, A Kiely, A Ruschhaupt - Journal of Physics B: Atomic …, 2022 - iopscience.iop.org
Shortcuts to adiabaticity (STA) have been successfully applied both theoretically and
experimentally to a wide variety of quantum control tasks. In previous work the authors have …

Robust control of linear systems and shortcut to adiabaticity based on superoscillations

Q Zhang, X Chen, D Guéry-Odelin - Physical Review Applied, 2022 - APS
With the advent of quantum technologies, control issues are becoming increasingly
important. In this paper, we address control in phase space under a global constraint …

Fast transport of Bose–Einstein condensates in anharmonic traps

J Li, X Chen, A Ruschhaupt - … Transactions of the …, 2022 - royalsocietypublishing.org
We present a method to transport Bose–Einstein condensates (BECs) in anharmonic traps
and in the presence of atom–atom interactions in short times without residual excitation …

Landau-Zener formula for the adiabatic gauge potential

G Cardoso - Physical Review A, 2024 - APS
We study the stability of counterdiabatic drive by computing the joint dependence of the
probability of nonadiabatic transitions P η (δ) on the adiabatic parameter δ and on the …

Dynamics of a driven open double two-level system and its entanglement generation

W Ma, XL Huang, SL Wu - Physical Review A, 2023 - APS
We investigate the dynamics of the driven open double two-level system by deriving a driven
Markovian master equation based on the Lewis-Riesenfeld invariant theory. The transitions …