Grover Search with Semiconductor Spin Qubits at Ambient Conditions
Sebastian Gemsheim, Fabian Klüpfel, Max Kneiß, Nicole Raatz, Tobias Herzig, Matthias Mendt, Evgeny Kreissig, Ulrike Rückert, Albrecht Hänel, Jan Meijer, Marius Grundmann
Abstract
Grover's algorithm is executed on a commercial quantum computer based on nitrogen-vacancy centers in diamond operating under ambient conditions, achieving fidelities up to 99.98\,\%. Within a N=8 search space of three solid-state nuclear spin qubits, the measured success probabilities of finding a single or two marked states are (77.3 3.4)\,\% and (87.0 4.2)\,\%, respectively. These values surpass published results for superconducting qubits or any quantum computer operating at room temperature. In addition, the paper also details the calibrated fidelities of the implemented universal gate set.
Create a lesson
Related papers
Parallel quantum channel discrimination and numerical ranges in tensor product subspaces
Adam Bílek, Paulina Lewandowska, Ryszard Kukulski
Asymptotically Good Quantum Locally Testable Codes
William Gay, Fernando Granha Jeronimo
All causally separable quantum processes are quantum circuits with classical control of causal order
Julian Wechs, Alastair A. Abbott, Cyril Branciard
Analytic leakage suppression with a single control field: fast two-qubit gates with tunable couplers
Lukas Heunisch, Michael J. Hartmann, Aashish A. Clerk
Procrastinating einselection in non-Markovian quantum dynamics
Michael J. Moody, Tara Kalsi, Agung Budiyono et al.
Quantum Entropy Contraction and Factorization from Hypercontractivity
Li Gao, Lijun Wang