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{{Short description| | {{Short description|Principle that an unknown quantum state cannot be copied perfectly}} | ||
{{ScholarlyWiki page top | {{ScholarlyWiki page top | ||
|backlink={{Quantum book backlink|Quantum information and computing}} | |backlink={{Quantum book backlink|Quantum information and computing}} | ||
{{Quantum article nav|previous=Physics:Quantum | {{Quantum article nav|previous=Physics:Quantum BB84|previous label=BB84|next=Physics:Quantum Computing Algorithms in the NISQ Era|next label=Computing Algorithms in the NISQ Era}} | ||
|image=[[File: | |image=[[File:Quantum_No_cloning_theorem_educational_yellow.png|430px|The no-cloning theorem: an unknown quantum state cannot be copied perfectly by a physical operation.]] | ||
|text='''Quantum | |text='''Quantum No-cloning theorem''' is a planned ScholarlyWiki page in the Quantum Collection about the no-cloning theorem in quantum information. | ||
}} | }} | ||
== Overview == | == Overview == | ||
Placeholder: | Placeholder: explain why linear quantum evolution forbids perfect copying of an arbitrary unknown quantum state. | ||
== Key ideas == | == Key ideas == | ||
Placeholder: cover | Placeholder: cover linearity, unknown states, quantum copying limits, cryptography, measurement disturbance. | ||
== | == Statement of the theorem == | ||
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | ||
== | == Simple linearity argument == | ||
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | ||
== | == Consequences for cryptography == | ||
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | ||
== | == Relation to measurement == | ||
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages. | ||
| Line 34: | Line 34: | ||
{{Author|Harold Foppele}} | {{Author|Harold Foppele}} | ||
{{Sourceattribution|Physics:Quantum | {{Sourceattribution|Physics:Quantum No-cloning theorem|1}} | ||
Revision as of 22:14, 21 May 2026
Quantum No-cloning theorem is a planned ScholarlyWiki page in the Quantum Collection about the no-cloning theorem in quantum information.
Overview
Placeholder: explain why linear quantum evolution forbids perfect copying of an arbitrary unknown quantum state.
Key ideas
Placeholder: cover linearity, unknown states, quantum copying limits, cryptography, measurement disturbance.
Statement of the theorem
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Simple linearity argument
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Consequences for cryptography
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Relation to measurement
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
See also
Table of contents (212 articles)
Index
Core theory
Applications and extensions
Full contents
1. Foundations (14) Back to index
2. Conceptual and interpretations (14) Back to index
3. Mathematical structure and systems (15) Back to index
4. Atomic and spectroscopy (14) Back to index
5. Wavefunctions and modes (9) Back to index
6. Quantum dynamics and evolution (21) Back to index
7. Measurement and information (9) Back to index
8. Quantum information and computing (14) Back to index
102. Physics:Quantum BB84
9. Quantum optics and experiments (10) Back to index
10. Open quantum systems (13) Back to index
11. Quantum field theory (23) Back to index
12. Statistical mechanics and kinetic theory (9) Back to index
13. Condensed matter and solid-state physics (15) Back to index
176. Physics:Quantum well
181. Physics:Quantum dot
14. Plasma and fusion physics (8) Back to index
15. Timeline (8) Back to index
16. Advanced and frontier topics (16) Back to index
References
Author: Harold Foppele
Source attribution: Physics:Quantum No-cloning theorem