Two-Qubit Operation on Majorana Qubits in Ordinary-Qubit Chains View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2018-12

AUTHORS

Yu. Makhlin, S. Backens, A. Shnirman

ABSTRACT

Majorana zero modes can be simulated in structures based on spin or quasi-spin degrees of freedom, e.g., Josephson-qubit chains. Braiding of Majorana degrees of freedom is realized using T-junctions supplied with an auxiliary spin (ancilla). Motivated by prospective experiments, we analyze the braiding in the spin representation, which provides the basis for the analysis of imperfections characteristic to the spin and qubit designs. The result of the braiding operation is straightforwardly found for the initial basis states of the two qubits and the ancilla, up to phase factors. Here, we fix these phase factors and thus describe the complete two-qubit operation. This result is relevant for physical simulation of the Majorana qubits in Josephson-qubit chains and other spin or qubit structures. More... »

PAGES

763-767

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0021364018230029

DOI

http://dx.doi.org/10.1134/s0021364018230029

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1110269468


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