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- W2964273295 abstract "We propose quantum protection circuit (quantum lock), based on dark states of ensembles of two-level atoms in optical cavity. The secret key is the splitting of atoms into pairs, and publicly accessible part of the lock is the tensor product of EPR singlets, corresponding to the given splitting. To open the lock one must move synchronously pairs of atoms from the correct splitting to the other cavity; the lock will open if atoms do not emit photons. This scheme has perfect secrecy: it is impossible to hack it, even with effective solutions of any classical computational problems, in contrast to the RSA scheme. The method of obtaining dark states through Stark shift of atomic excitation energy is also proposed. This scheme makes possible to create secret keys of a few tens of atoms that is sufficient for the most practical applications." @default.
- W2964273295 created "2019-07-30" @default.
- W2964273295 creator A5046709716 @default.
- W2964273295 date "2019-03-15" @default.
- W2964273295 modified "2023-09-26" @default.
- W2964273295 title "Quantum lock on dark states" @default.
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- W2964273295 doi "https://doi.org/10.1117/12.2523571" @default.
- W2964273295 hasPublicationYear "2019" @default.
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