Bloch-sphere representation of three-vertex geometric phases

Shuhei Tamate, Kazuhisa Ogawa, and Masao Kitano
Phys. Rev. A 84, 052114 – Published 21 November 2011

Abstract

The properties of the geometric phases between three quantum states are investigated in a high-dimensional Hilbert space using the Majorana representation of symmetric quantum states. We found that the geometric phases between the three quantum states in an N-state quantum system can be represented by N1 spherical triangles on the Bloch sphere. The parameter dependence of the geometric phase was analyzed based on this picture. We found that the geometric phase exhibits rich nonlinear behavior in a high-dimensional Hilbert space.

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  • Received 27 July 2011

DOI:https://doi.org/10.1103/PhysRevA.84.052114

©2011 American Physical Society

Authors & Affiliations

Shuhei Tamate*, Kazuhisa Ogawa, and Masao Kitano

  • Department of Electronic Science and Engineering, Kyoto University, Kyoto 615-8510, Japan

  • *tamate@giga.kuee.kyoto-u.ac.jp

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Issue

Vol. 84, Iss. 5 — November 2011

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