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Minimal classical communication and measurement complexity for quantum information splitting of a two qubit state

2008/04/26 by Siddharth Karumanchi, Karumanchi, Siddharth, Sreraman Muralidharan +3
Computer Science · Physics and Astronomy · #FOS: Physical sciences #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum Physics (quant-ph)

paper · pdf · doi:10.48550/arxiv.0804.4215

openalex publication_date 2008/04/26 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We provide explicit schemes for quantum information splitting (QIS) of real or equatorial two qubit states among two parties, through the five particle cluster and Brown states respectively. The schemes introduced are neither fully deterministic nor completely probabilistic and are carried out in the case where, the information that is to be shared is partially or fully known to the sender. We show that, QIS can be accomplished with just two classical bits, as against four classical bits, when the information is unknown to the sender.

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