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Shifts on a Finite Qubit String: A Class of Quantum Baker's Maps

✍ Scribed by Rüdiger Schack; Carlton M. Caves


Publisher
Springer
Year
2000
Tongue
English
Weight
47 KB
Volume
10
Category
Article
ISSN
0938-1279

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A direct proof of Wigner's theorem on ma
✍ C.S Sharma; D.F Almeida 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 539 KB

A direct proof of Wignefs theorem on transition probability preserving maps between pure states of a quantum system and a more precise statement of the theorem are provided. The mathematical proof presented here shows that the result should be as obvious to every one as it has been to Wigner.