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 …
One dimensional bosons: From condensed matter systems to ultracold gases
The physics of one-dimensional interacting bosonic systems is reviewed. Beginning with
results from exactly solvable models and computational approaches, the concept of bosonic …
results from exactly solvable models and computational approaches, the concept of bosonic …
Shortcuts to adiabaticity by counterdiabatic driving
A Del Campo - Physical review letters, 2013 - APS
The evolution of a system induced by counterdiabatic driving mimics the adiabatic dynamics
without the requirement of slow driving. Engineering it involves diagonalizing the …
without the requirement of slow driving. Engineering it involves diagonalizing 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 …
Ab-initio variational wave functions for the time-dependent many-electron Schrödinger equation
Understanding the real-time evolution of many-electron quantum systems is essential for
studying dynamical properties in condensed matter, quantum chemistry, and complex …
studying dynamical properties in condensed matter, quantum chemistry, and complex …
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 …
Quantum supremacy of many-particle thermal machines
While the emergent field of quantum thermodynamics has the potential to impact energy
science, the performance of thermal machines is often classical. We ask whether quantum …
science, the performance of thermal machines is often classical. We ask whether quantum …
Frictionless quantum quenches in ultracold gases: A quantum-dynamical microscope
A Del Campo - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
In this Rapid Communication, a method is proposed to spatially scale up a trapped ultracold
gas while conserving the quantum correlations of the initial many-body state. For systems …
gas while conserving the quantum correlations of the initial many-body state. For systems …
Probing quantum speed limits with ultracold gases
A Del Campo - Physical Review Letters, 2021 - APS
Quantum speed limits (QSLs) rule the minimum time for a quantum state to evolve into a
distinguishable state in an arbitrary physical process. These fundamental results constrain a …
distinguishable state in an arbitrary physical process. These fundamental results constrain a …