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6 papers · 2 filters
On the SU(3) parametrization of qutrits
A. T. Bolukbasi, T. Dereli
Parametrization of qutrits on the complex projective plane CP^2 = SU(3)/U(2) is given explicitly. A set of constraints that characterize mixed state density matrices is found.
Pseudo-Hermiticity, PT-symmetry, and the Metric Operator
Ali Mostafazadeh
The main achievements of Pseudo-Hermitian Quantum Mechanics and its distinction with the indefinite-metric quantum theories are reviewed. The issue of the non-uniqueness of the met…
Metric Operator in Pseudo-Hermitian Quantum Mechanics and the Imaginary Cubic Potential
Ali Mostafazadeh
We present a systematic perturbative construction of the most general metric operator (and positive-definite inner product) for quasi-Hermitian Hamiltonians of the standard form, H…
Application of Pseudo-Hermitian Quantum Mechanics to a PT-Symmetric Hamiltonian with a Continuum of Scattering States
Ali Mostafazadeh
We extend the application of the techniques developed within the framework of the pseudo-Hermitian quantum mechanics to study a unitary quantum system described by an imaginary PT-…
Indistinguishable Photons from a Single Molecule
A. Kiraz, M. Ehrl, Th. Hellerer +3
We report the results of coincidence counting experiments at the output of a Michelson interferometer using the zero-phonon-line emission of a single molecule at . Under con…
Tunnelling of condensate magnetization in a double-well potential
Ö. E. Müstecaplıoğlu, M. Zhang, L. You
We study quantum dynamical properties of a spin-1 atomic Bose-Einstein condensate in a double-well potential. Adopting a mean field theory and single spatial mode approximation, we…