Dynamics of non-Markovian open quantum systems

I De Vega, D Alonso - Reviews of Modern Physics, 2017 - APS
Open quantum systems (OQSs) cannot always be described with the Markov approximation,
which requires a large separation of system and environment time scales. An overview is …

Experimental signature of programmable quantum annealing

S Boixo, T Albash, FM Spedalieri, N Chancellor… - Nature …, 2013 - nature.com
Quantum annealing is a general strategy for solving difficult optimization problems with the
aid of quantum adiabatic evolution. Both analytical and numerical evidence suggests that …

Quantum adiabatic Markovian master equations

T Albash, S Boixo, DA Lidar, P Zanardi - New Journal of Physics, 2012 - iopscience.iop.org
We develop from first principles Markovian master equations suited for studying the time
evolution of a system evolving adiabatically while coupled weakly to a thermal bath. We …

Decoherence in adiabatic quantum computation

T Albash, DA Lidar - Physical Review A, 2015 - APS
Recent experiments with increasingly larger numbers of qubits have sparked renewed
interest in adiabatic quantum computation, and in particular quantum annealing. A central …

[HTML][HTML] Completely positive master equation for arbitrary driving and small level spacing

E Mozgunov, D Lidar - Quantum, 2020 - quantum-journal.org
Markovian master equations are a ubiquitous tool in the study of open quantum systems, but
deriving them from first principles involves a series of compromises. On the one hand, the …

Consistency tests of classical and quantum models for a quantum annealer

T Albash, W Vinci, A Mishra, PA Warburton, DA Lidar - Physical Review A, 2015 - APS
Recently the question of whether the D-Wave processors exhibit large-scale quantum
behavior or can be described by a classical model has attracted significant interest. In this …

Error Suppression and Error Correction in Adiabatic Quantum Computation:<? format?> Techniques and Challenges

KC Young, M Sarovar, R Blume-Kohout - Physical Review X, 2013 - APS
Adiabatic quantum computation (AQC) has been lauded for its inherent robustness to control
imperfections and relaxation effects. A considerable body of previous work, however, has …

Markovian quantum master equation beyond adiabatic regime

M Yamaguchi, T Yuge, T Ogawa - Physical Review E, 2017 - APS
By introducing a temporal change time scale τ A (t) for the time-dependent system
Hamiltonian, a general formulation of the Markovian quantum master equation is given to go …

Role of nonstoquastic catalysts in quantum adiabatic optimization

T Albash - Physical Review A, 2019 - APS
The viability of nonstoquastic catalyst Hamiltonians to deliver consistent quantum speedups
in quantum adiabatic optimization remains an open question. The infinite-range …

Quantum search with hybrid adiabatic–quantum-walk algorithms and realistic noise

JG Morley, N Chancellor, S Bose, V Kendon - Physical review A, 2019 - APS
Computing using a continuous-time evolution, based on the natural interaction Hamiltonian
of the quantum computer hardware, is a promising route to building useful quantum …