2016/07/31 by Martin J. A. Schuetz, G. Giedke, Geza Giedke +3 · 1 citation
Computer Science · Physics and Astronomy · #Acoustics #Computer science #Condensed matter physics #Coupling (piping) #Fidelity #High fidelity #Materials science #Mechanical and Optical Resonators #Optoelectronics #Physics #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum mechanics #Resonator #Spin (aerodynamics) #Spins #Telecommunications #cond-mat.mes-hall #quant-ph
paper · pdf · doi:10.1103/physreva.95.052335
published as Phys. Rev. A 95, 052335 (2017) · Manuscript: 5 pages, 4 figures. Appendices: 23 pages, 16 figures. v2: version as published, Journal-Ref added
openalex publication_date 2017/05/17 · arxiv created 2017/05/19 · arxiv updated 2017/05/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We propose and analyze a high-fidelity hot gate for generic spin-resonator systems which allows for coherent spin-spin coupling, in the presence of a thermally populated resonator mode. Our scheme is nonperturbative in the spin-resonator coupling strength, applies to a broad class of physical systems, including, for example, spins coupled to circuit-QED and surface acoustic wave resonators as well as nanomechanical oscillators, and can be implemented readily with state-of-the-art experimental setups. We provide and numerically verify simple expressions for the fidelity of creating maximally entangled states under realistic conditions.