Year: 2019
Type: article
Abstract: While nonpairwise couplings are hard to implement in electronic systems, because the apparent interactions are two-body, such higher-order interactions could be beneficial in various applications. Studying a system of coupled artificial atoms (imagined as flux qubits), the authors show that $f\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}u\phantom{\rule{0}{0ex}}r\ensuremath{-}b\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}d\phantom{\rule{0}{0ex}}y$ local interactions appear via virtual coupler excitations, and that they can even be tuned into the strong-interaction regime. This theoretical exploration should serve as a starting point for circuit implementations of higher local interactions, especially in the context of adiabatic quantum computing.
Source: Physical Review Applied
Authors: M. Schöndorf, F.K. Wilhelm
Institution: Saarland University
Language: English
Subfield: Artificial Intelligence
Field: Computer Science
Domain: Physical Sciences
Open Access status: green
Award: G1127070050
OpenAlex ID: W2995087729