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 …
Universality of phase transition dynamics: Topological defects from symmetry breaking
In the course of a nonequilibrium continuous phase transition, the dynamics ceases to be
adiabatic in the vicinity of the critical point as a result of the critical slowing down (the …
adiabatic in the vicinity of the critical point as a result of the critical slowing down (the …
Shortcuts to adiabaticity
Quantum adiabatic processes—that keep constant the populations in the instantaneous
eigenbasis of a time-dependent Hamiltonian—are very useful to prepare and manipulate …
eigenbasis of a time-dependent Hamiltonian—are very useful to prepare and manipulate …
Classical and quantum shortcuts to adiabaticity for scale-invariant driving
A shortcut to adiabaticity is a driving protocol that reproduces in a short time the same final
state that would result from an adiabatic, infinitely slow process. A powerful technique to …
state that would result from an adiabatic, infinitely slow process. A powerful technique to …
Optimally robust shortcuts to population inversion in two-level quantum systems
We examine the stability versus different types of perturbations of recently proposed
shortcuts to adiabaticity to speed up the population inversion of a two-level quantum system …
shortcuts to adiabaticity to speed up the population inversion of a two-level quantum system …
Lewis-Riesenfeld invariants and transitionless quantum driving
Different methods have been recently put forward and implemented experimentally to
inverse engineer the time-dependent Hamiltonian of a quantum system and accelerate slow …
inverse engineer the time-dependent Hamiltonian of a quantum system and accelerate slow …
Engineering of fast population transfer in three-level systems
We design, by invariant-based inverse engineering, resonant laser pulses to perform fast
population transfers in three-level systems. The laser intensities to improve the fidelity or to …
population transfers in three-level systems. The laser intensities to improve the fidelity or to …
Driving at the quantum speed limit: optimal control of a two-level system
GC Hegerfeldt - Physical review letters, 2013 - APS
A remarkably simple result is derived for the minimal time T min required to drive a general
initial state to a final target state by a Landau-Zener-type Hamiltonian or, equivalently, by …
initial state to a final target state by a Landau-Zener-type Hamiltonian or, equivalently, by …
Fast atomic transport without vibrational heating
We use the dynamical invariants associated with the Hamiltonian of an atom in a one
dimensional moving trap to inverse engineer the trap motion and perform fast atomic …
dimensional moving trap to inverse engineer the trap motion and perform fast atomic …
Geometric and holonomic quantum computation
Geometric and holonomic quantum computation utilizes intrinsic geometric properties of
quantum-mechanical state spaces to realize quantum logic gates. Since both geometric …
quantum-mechanical state spaces to realize quantum logic gates. Since both geometric …