A Single Quantum Cannot Be Cloned

Wootters, W. K., & Zurek, W. H. (1982). A Single Quantum Cannot Be Cloned. Nature, 299(5886), 802-803.

Type

Journal article

Intellectual base

Primary research

Year

1982

DOI

10.1038/299802a0

Link

https://doi.org/10.1038/299802a0

Cited from

mathematics, physics

Cited by

3 citations across 3 artifacts.

Each citation links to the sentence it supports in the citing article.

Primes

• Axiomatic Incompatibility
  • In physics, the Heisenberg uncertainty principle forbids joint sharp position and momentum, and the no-cloning theorem forbids copying arbitrary unknown quantum states.

    This sourceProves the no-cloning theorem forbidding the copying of an arbitrary unknown quantum state.

• Superposition

  • This sourceProves an unknown quantum superposition cannot be copied, showing fundamental constraints on superposition operations.

Domain-specific

• No-cloning theorem
  • … one unitary clones two nonorthogonal states forces their inner product to equal its square, possible only for identical or orthogonal states. to A quantum-protocol proof distinguishes copying classical basis labels, approximate cloning, teleportation and destructive measurement from forbidden universal cloning..

Verification

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