Entropy as a function of Geometric Phase

Details Entropy as a function of Geometric Phase Entropy as a function of Geometric Phase

2003-09-10

arxiv.org/abs/quant-ph/0309088v1

Physics

Quantum Physics

19 pages, 7 figures

Scientific paper

10.1088/0305-4470/37/46/011

We give a closed-form solution of von Neumann entropy as a function of geometric phase modulated by visibility and average distinguishability in Hilbert spaces of two and three dimensions. We show that the same type of dependence also exists in higher dimensions. We also outline a method for measuring both the entropy and the phase experimentally using a simple Mach-Zehnder type interferometer which explains physically why the two concepts are related.

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