Topic
Quantum money
About: Quantum money is a research topic. Over the lifetime, 121 publications have been published within this topic receiving 15426 citations.
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TL;DR: The author revealed that quantum teleportation as “Quantum one-time-pad” had changed from a “classical teleportation” to an “optical amplification, privacy amplification and quantum secret growing” situation.
Abstract: Quantum cryptography could well be the first application of quantum mechanics at the individual quanta level. The very fast progress in both theory and experiments over the recent years are reviewed, with emphasis on open questions and technological issues.
6,949 citations
TL;DR: In this article, a recent proposal to achieve faster-than-light communication by means of an EPR-type experimental set-up is examined, and it is shown that such superluminal communication is not possible.
1,204 citations
01 Jan 1983
TL;DR: The use of quantum mechanical systems to record information gives rise to novel cryptographic phenomena, not achievable with classical recording media, including the multiplexing of two messages in such a way that either message may be recovered at the cost of irreversibly destroying the other.
Abstract: The use of quantum mechanical systems, such as polarized photons, to record information gives rise to novel cryptographic phenomena, not achievable with classical recording media: 1) A Verify Only Memory (VOM) that, with high probability, cannot be read or copied by someone ignorant of its contents; 2) the multiplexing of two messages in such a way that, with high probability, either message may be recovered at the cost of irreversibly destroying the other.
242 citations
Journal Article•
TL;DR: A weeklong course in quantum complexity theory was held at the Bellairs Research Institute in Barbados, February 21-25, 2016 as discussed by the authors, with a focus on quantum circuit complexity.
Abstract: These are lecture notes from a weeklong course in quantum complexity theory taught at the Bellairs Research Institute in Barbados, February 21-25, 2016. The focus is quantum circuit complexity---i.e., the minimum number of gates needed to prepare a given quantum state or apply a given unitary transformation---as a unifying theme tying together several topics of recent interest in the field. Those topics include the power of quantum proofs and advice states; how to construct quantum money schemes secure against counterfeiting; and the role of complexity in the black-hole information paradox and the AdS/CFT correspondence (through connections made by Harlow-Hayden, Susskind, and others). The course was taught to a mixed audience of theoretical computer scientists and quantum gravity / string theorists, and starts out with a crash course on quantum information and computation in general.
167 citations