Quantum phases of a qutrit
arXiv:quant-ph/0312127 · doi:10.1088/0305-4470/37/13/012
Abstract
We consider various approaches to treat the phases of a qutrit. Although it is possible to represent qutrits in a convenient geometrical manner by resorting to a generalization of the Poincare sphere, we argue that the appropriate way of dealing with this problem is through phase operators associated with the algebra su(3). The rather unusual properties of these phases are caused by the small dimension of the system and are explored in detail. We also examine the positive operator-valued measures that can describe the qutrit phase properties.
6 pages
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- Bloch sphere like construction of SU(3) Hamiltonians using unitary integration
- Two-qutrit Entanglement Witnesses and Gell-Mann Matrices
- Analysis of complete positivity conditions for quantum qutrit channels
- Reduction of Quantum Phase Fluctuations in Intermediate States
- Reduction of Quantum Phase Fluctuations Implies Antibunching of Photon
- Investigating bound entangled two-qutrit states via the best separable approximation
- Relational Quadrilateralland. II. The Quantum Theory