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Article . 2024 . Peer-reviewed
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https://doi.org/10.1103/physre...
Article . 2020 . Peer-reviewed
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Perfect state transfer on hypercubes and its implementation using superconducting qubits

Authors: Siddhant Singh; Bibhas Adhikari; Supriyo Dutta; David Zueco;

Perfect state transfer on hypercubes and its implementation using superconducting qubits

Abstract

We propose a protocol for perfect state transfer between any pair of vertices in a hypercube. Given a pair of distinct vertices in the hypercube we determine a sub-hypercube that contains the pair of vertices as antipodal vertices. Then a switching process is introduced for determining the sub-hypercube of a memory enhanced hypercube that facilitates perfect state transfer between the desired pair of vertices. Furthermore, we propose a physical architecture for the pretty good state transfer implementation of our switching protocol with fidelity arbitrary close to unity, using superconducting transmon qubits with tunable couplings. The switching is realised by the control over the effective coupling between the qubits resulting from the effect of ancilla qubit couplers for the graph edges. We also report an error bound on the fidelity of state transfer due to faulty implementation of our protocol.

Country
Spain
Keywords

Quantum Physics, FOS: Physical sciences, Physics - Applied Physics, Applied Physics (physics.app-ph), Quantum Physics (quant-ph)

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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