2018/09/30 by Koen Groenland
Computer Science · Physics and Astronomy · #Adiabatic process #Bipartite graph #Coupling (piping) #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum entanglement #Quantum information #Quantum many-body systems #Quantum network #Spin (aerodynamics) #State (computer science) #cond-mat.str-el #quant-ph
paper · pdf · doi:10.21468/scipostphys.6.1.011
published as SciPost Phys. 6, 011 (2019) · 20 pages, 7 figures
arxiv created 2018/12/05 · arxiv updated 2019/01/23 · openalex publication_date 2019/01/23 · openalex created_date 2019/06/27 · openalex updated_date 2026/08/05
Transporting quantum information is an important prerequisite for quantum computers. We study how this can be done in Heisenberg-coupled spin networks using adiabatic control over the coupling strengths. We find that qudits can be transferred and entangled pairs can be created between distant sites of bipartite graphs with a certain balance between the maximum spin of both parts, extending previous results that were limited to linear chains. The transfer fidelity in a small star-shaped network is numerically analysed, and possible experimental implementations are discussed.