Probing anyonic statistics via Mach-Zehnder interferometry in quantum computers

Autor:	Zhou, Shiyu, Teng, Yi, Chamon, Claudio, Castelnovo, Claudio, Rahmani, Armin
Rok vydání:	2024
Předmět:	Quantum Physics Condensed Matter - Strongly Correlated Electrons
Druh dokumentu:	Working Paper
Popis:	We introduce a synthetic Mach-Zehnder interferometer for digitized quantum computing devices to probe fractional exchange statistics of anyonic excitations that appear in quantum spin liquids. Employing an IonQ quantum computer, we apply this scheme to the toric ladder, a quasi-one-dimensional reduction of the toric code. We observe interference patterns resulting from the movement of `electric' excitations in the presence and absence of `magnetic' ones. We model the noise in IonQ via depolarizing Lindbladian dynamics, and find quantitative agreement with the measurements obtained from the quantum device. The synthetic Mach-Zehnder interferometer can thus also serve as an effective means to probe the coherence length and time scales of multi-qubit noisy quantum devices. Comment: 5 pages, 2 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2402.16944 Zobrazit plný text záznamu View this record from Arxiv