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Revocation and reconstruction of shared quantum states

  • 01-11-2025
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Abstract

This article delves into the realm of quantum secret sharing, focusing on the revocation and reconstruction of shared quantum states. The protocol introduced here empowers the dealer, Alice, to retain a quantum share, enabling her to revoke the state if the shareholders, Bob and Charlie, are found to be dishonest. The article explores the motivation behind this protocol and provides a detailed example using a four-qubit entangled state. It also discusses the conditions under which the protocol is successful, ensuring both revocation at the dealer's location and reconstruction at the shareholder's location. The article concludes with a comprehensive analysis of the protocol's advantages and its potential applications in quantum information processing tasks.

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Title
Revocation and reconstruction of shared quantum states
Authors
Prakash Mudholkar
Chiranjeevi Vanarasa
Indranil Chakrabarty
Srinathan Kannan
Publication date
01-11-2025
Publisher
Springer US
Published in
Quantum Information Processing / Issue 11/2025
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-025-04951-y
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