216 citations · 1k across the 49 of their papers we have counts for
50 papers
Scalable General Error Mitigation for Quantum Circuits
Philip Döbler, Jannik Pflieger, Fengping Jin +4
In quantum computing, error mitigation is a method to improve the results of an error-prone quantum processor by post-processing them on a classical computer. In this work, we impr…
Hybrid Quantum Classical Simulations
Dennis Willsch, Manpreet Jattana, Madita Willsch +4
We report on two major hybrid applications of quantum computing, namely, the quantum approximate optimisation algorithm (QAOA) and the variational quantum eigensolver (VQE). Both a…
Magnetization and energy dynamics in spin ladders: Evidence of diffusion in time, frequency, position, and momentum
Jonas Richter, Fengping Jin, Lars Knipschild +5
The dynamics of magnetization and energy densities are studied in the two-leg spin-1/2 ladder. Using an efficient pure-state approach based on the concept of typicality, we calcula…
Quantum annealing with anneal path control: application to 2-SAT problems with known energy landscapes
Ting-Jui Hsu, Fengping Jin, Christian Seidel +3
We study the effect of the anneal path control per qubit, a new user control feature offered on the D-Wave 2000Q quantum annealer, on the performance of quantum annealing for solvi…
Separation of conditions as a prerequisite for quantum theory
Hans De Raedt, Mikhail I. Katsnelson, Dennis Willsch +1
We introduce the notion of "separation of conditions" meaning that a description of statistical data obtained from experiments, performed under a set of different conditions, allow…
Testing quantum fault tolerance on small systems
D. Willsch, M. Willsch, F. Jin +2
We extensively test a recent protocol to demonstrate quantum fault tolerance on three systems: (1) a real-time simulation of five spin qubits coupled to an environment with two-lev…