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{{Short description|Principle that an unknown quantum state cannot be copied perfectly}}
[[File:CT-logo.png|150px|right|link=Quantum Collection Index]]
[[File:Quantum gravity combination.png|Quantum gravity|thumb|230px]]<br><br><br>
=<pre>Collection of Physics:Quantum          Book I</pre>=
<div style="text-align:center;"> [[File:1-String Theory.jpg|40px|link=Book:Quantum Collection/Gallery]]<br> [[Book:Quantum Collection/Gallery|Gallery]] </div>
{{#invoke:PhysicsQC|tocHeadingAndList|Physics:Quantum basics/See also}}
<!--{{:Physics:Quantum basics/See also}}-->


{{ScholarlyWiki page top
=References=
|backlink={{Quantum book backlink|Quantum information and computing}}
{{reflist|3}}
{{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}}
==Further reading==
|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 No-cloning theorem''' is a planned ScholarlyWiki page in the Quantum Collection about the no-cloning theorem in quantum information.
}}


== Overview ==
{{Author|Harold Foppele}}
Placeholder: explain why linear quantum evolution forbids perfect copying of an arbitrary unknown quantum state.
= License of the Book=
{{imbox | text = Copyright ? 2026 H. Foppele and contributors. All rights reserved.}}    [[Category:HandWiki encyclopedias]]


== 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 ==
{{#invoke:PhysicsQC|tocHeadingAndList|Physics:Quantum basics/See also}}
== References ==
{{reflist|3}}
{{Author|Harold Foppele}}


{{Sourceattribution|Physics:Quantum No-cloning theorem|1}}
<!-- Quantum index refresh 2026-05-22 00:36:17 +02:00 -->

Revision as of 22:36, 21 May 2026



Quantum gravity




Collection of Physics:Quantum           Book I


Gallery

Table of contents (212 articles)

Index

Full contents

References

Further reading

Author: Harold Foppele


License of the Book