Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session J09: Open Quantum Systems II
2:30 PM–5:18 PM,
Tuesday, March 3, 2020
Room: 106
Sponsoring
Unit:
DQI
Chair: Peter Groszkowski, University of Chicago
Abstract: J09.00011 : GPU-accelerated simulations of realistic quantum systems with a focus on Quantum Information and Computation.*
View Presentation
Abstract
Presenter:
Aleksander Lasek
(Univ of Cambridge)
Authors:
Aleksander Lasek
(Univ of Cambridge)
Hugo V Lepage
(Univ of Cambridge)
Crispin H.W. Barnes
(Univ of Cambridge)
David R M Arvidsson Shukur
(Univ of Cambridge)
Even though today’s quantum computers can manipulate multiple qubits, the long-term fidelity of many-qubit operations is still poor. Numerical simulations of quantum computers can help guide experiments towards better fidelities. We focus on simulating physical qubits, which leads to a better understanding of where the errors that are observed in quantum computers and experiments come from.
We describe the techniques used to make our calculations possible, as well as present simulation results of realistic quantum experiments, including performing an entangling operation on two electron-spin qubits, controlling a charge qubit, and sound driven single electron transfer between quantum rails.
*
A.L. acknowledges support from EPSRC and Hitachi via CASE studentships RG 94632.
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