Methoden vergleichen
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| Quantenschlüsselverteilung (BB84)× | Quantenteleportation× | |
|---|---|---|
| Fachgebiet | Quantencomputing | Quantencomputing |
| Familie | Machine learning | Machine learning |
| Entstehungsjahr≠ | 1984 | 1993 |
| Urheber≠ | Charles Bennett and Gilles Brassard | Charles Bennett and colleagues |
| Typ≠ | Cryptographic protocol | Communication protocol |
| Wegweisende Quelle≠ | Bennett, C. H., Brassard, G. (1984). Quantum cryptography: public key distribution and coin tossing. Proceedings of IEEE International Conference on Computers, Systems, and Signal Processing, 175–179. link ↗ | Bennett, C. H., Brassard, G., Crépeau, C., Jozsa, R., Peres, A., Wootters, W. K. (1993). Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels. Physical Review Letters, 70, 1895–1899. DOI ↗ |
| Aliasnamen | BB84, quantum cryptography | teleportation, entanglement-assisted communication |
| Verwandt | 2 | 2 |
| Zusammenfassung≠ | Quantum Key Distribution (QKD) BB84 is a cryptographic protocol allowing two parties to establish a shared secret key using quantum mechanics. Proposed by Bennett and Brassard in 1984, BB84 provides information-theoretic security: an eavesdropper's presence is guaranteed to be detected, and the secret key is provably secure against unlimited computational power. | Quantum Teleportation is a protocol for transferring an unknown quantum state between distant parties using entanglement and classical communication. Discovered by Bennett et al. in 1993, teleportation violates no fundamental principles but demonstrates the power of entanglement: an unknown quantum state can be reconstructed at a distant location without ever being transmitted. |
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