Adiabatic state distribution using anti-ferromagnetic spin systems

Autor: Koen Groenland
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: SciPost Physics, Vol 6, Iss 1, p 011 (2019)
Druh dokumentu: article
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.6.1.011
Popis: 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.
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