Dynamics of a quantum phase transition and relaxation to a steady state
J Dziarmaga - Advances in Physics, 2010 - Taylor & Francis
We review recent theoretical work on two closely related issues: excitation of an isolated
quantum condensed matter system driven adiabatically across a continuous quantum phase …
quantum condensed matter system driven adiabatically across a continuous quantum phase …
Excited-state quantum phase transitions
We review the effects of excited-state quantum phase transitions (ESQPTs) in interacting
many-body systems with finite numbers of collective degrees of freedom. We classify typical …
many-body systems with finite numbers of collective degrees of freedom. We classify typical …
Quantum phase transition in the one-dimensional water chain
The concept of quantum phase transitions (QPTs) plays a central role in the description of
condensed matter systems. In this Letter, we perform high-quality wave-function-based …
condensed matter systems. In this Letter, we perform high-quality wave-function-based …
NMR Implementation of a Molecular Hydrogen Quantum Simulation<? format?> with Adiabatic State Preparation
It is difficult to simulate quantum systems on classical computers, while quantum computers
have been proved to be able to efficiently perform such kinds of simulations. We report an …
have been proved to be able to efficiently perform such kinds of simulations. We report an …
Quantum factorization of 143 on a dipolar-coupling nuclear magnetic resonance system
Quantum algorithms could be much faster than classical ones in solving the factoring
problem. Adiabatic quantum computation for this is an alternative approach other than …
problem. Adiabatic quantum computation for this is an alternative approach other than …
Quantum quench of an atomic Mott insulator
D Chen, M White, C Borries, B DeMarco - Physical Review Letters, 2011 - APS
We study quenches across the Bose-Hubbard Mott-insulator-to-superfluid quantum phase
transition by using an ultracold atomic gas trapped in an optical lattice. Quenching from the …
transition by using an ultracold atomic gas trapped in an optical lattice. Quenching from the …
Designing quantum annealing schedules using Bayesian optimization
We propose and analyze the use of Bayesian optimization techniques to design quantum
annealing schedules with minimal user and resource requirements. We showcase our …
annealing schedules with minimal user and resource requirements. We showcase our …
Quantum annealing with antiferromagnetic fluctuations
We introduce antiferromagnetic quantum fluctuations into quantum annealing in addition to
the conventional transverse-field term. We apply this method to the infinite-range …
the conventional transverse-field term. We apply this method to the infinite-range …
Quantum adiabatic brachistochrone
We formulate a time-optimal approach to adiabatic quantum computation (AQC). A
corresponding natural Riemannian metric is also derived, through which AQC can be …
corresponding natural Riemannian metric is also derived, through which AQC can be …
Adiabatic approximation with exponential accuracy for many-body systems and quantum computation
We derive a version of the adiabatic theorem that is especially suited for applications in
adiabatic quantum computation, where it is reasonable to assume that the adiabatic …
adiabatic quantum computation, where it is reasonable to assume that the adiabatic …