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 …
Method for constructing shortcuts to adiabaticity by a substitute of counterdiabatic driving terms
We propose an efficient method to construct shortcuts to adiabaticity through designing a
substitute Hamiltonian to try to avoid the defect in which the speed-up protocols' Hamiltonian …
substitute Hamiltonian to try to avoid the defect in which the speed-up protocols' Hamiltonian …
Shortcuts to adiabaticity for non-Hermitian systems
Adiabatic processes driven by non-Hermitian, time-dependent Hamiltonians may be sped
up by generalizing inverse engineering techniques based on counter-diabatic (transitionless …
up by generalizing inverse engineering techniques based on counter-diabatic (transitionless …
Adiabaticity condition for non-Hermitian Hamiltonians
We generalize the concept of population for non-Hermitian systems in different ways and
identify the one best suited to characterize adiabaticity. An approximate adiabaticity criterion …
identify the one best suited to characterize adiabaticity. An approximate adiabaticity criterion …
Shortcuts to adiabaticity with general two-level non-Hermitian systems
TZ Luan, HZ Shen, XX Yi - Physical Review A, 2022 - APS
Shortcuts to adiabaticity are alternative fast processes which reproduce the same final state
as the adiabatic process in a finite or even shorter time, which have been extended from …
as the adiabatic process in a finite or even shorter time, which have been extended from …
Zeno physics in ultrastrong-coupling circuit QED
We study the Zeno and anti-Zeno effects in a superconducting qubit interacting strongly and
ultrastrongly with a microwave resonator. Using a model of a frequently measured two-level …
ultrastrongly with a microwave resonator. Using a model of a frequently measured two-level …
Improving the stimulated Raman adiabatic passage via dissipative quantum dynamics
We propose a method to improve the stimulated Raman adiabatic passage (STIRAP) via
dissipative quantum dynamics, taking into account the dephasing effects. Fast and robust …
dissipative quantum dynamics, taking into account the dephasing effects. Fast and robust …
Non-Hermitian and Zeno limit of quantum systems under rapid measurements
F Thiel, DA Kessler - Physical Review A, 2020 - APS
We investigate two models of a quantum system under rapid measurement performed to
detect whether the system is in a given state| ψ d〉. In the first, the detection process is …
detect whether the system is in a given state| ψ d〉. In the first, the detection process is …
Reverse engineering of a nonlossy adiabatic Hamiltonian for non-Hermitian systems
We generalize the quantum adiabatic theorem to the non-Hermitian system and build a strict
adiabaticity condition to make the adiabatic evolution nonlossy when taking into account the …
adiabaticity condition to make the adiabatic evolution nonlossy when taking into account the …
Unification of quantum Zeno–anti Zeno effects and parity-time symmetry breaking transitions
The decay of an unstable quantum state can be inhibited or enhanced by tailored
measurements, known as quantum Zeno effect (QZE) or anti Zeno effect (QAZE). QZE …
measurements, known as quantum Zeno effect (QZE) or anti Zeno effect (QAZE). QZE …