Hiding Quantum Data

Journal article (2003)

Authors

David P. Divincenzo California Institute of Technology, IBM Thomas J. Watson Research Centre
Patrick Hayden California Institute of Technology
B.M. Terhal IBM Thomas J. Watson Research Centre, California Institute of Technology
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Quantum cryptography Data hiding Secret sharing Nonlocality without entanglement
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Published Date

2003

Language

English

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Abstract

Recent work has shown how to use the laws of quantum mechanics to keep classical and quantum bits secret in a number of different circumstances. Among the examples are private quantum channels, quantum secret sharing and quantum data hiding. In this paper we show that a method for keeping two classical bits hidden in any such scenario can be used to construct a method for keeping one quantum bit hidden, and vice-versa. In the realm of quantum data hiding, this allows us to construct bipartite and multipartite hiding schemes for qubits from the previously known constructions for hiding bits.