Multi-Bloch vector representation of the qutrit
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چکیده
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15 صفحه اولOn coefficients of vector valued Bloch functions
Let X be a complex Banach space and let Bloch(X) denote the space of X-valued analytic functions on the unit disc verifying that sup|z|<1(1−|z|)||f ′(z)|| < ∞. A sequence (Tn)n of bounded operators between two Banach spaces X and Y is said to be an operator-valued multiplier between Bloch(X) and 1(Y ) if the map ∑∞ n=0 xnz n → (Tn(xn))n defines a bounded linear operator from Bloch(X) into 1(Y )...
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Wei Zhong,1,2 Zhe Sun,1,3 Jian Ma,1,2 Xiaoguang Wang,1,2,* and Franco Nori1,4 1Advanced Science Institute, RIKEN, Wako-shi, Saitama 351-0198, Japan 2Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310027, China 3Department of Physics, Hangzhou Normal University, Hangzhou 310036, China 4Physics Department, The University of Michigan, Ann Arbor, Michigan...
متن کاملGeneralized Bloch Vector and the Eigenvalues of a Density Matrix
We consider n-level quantum systems and show how the length of the generalized Bloch vector is related to the eigenvalues of the density matrix. We interpret the length of the generalized Bloch vector as a measure of how pure the quantum state is.
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ژورنال
عنوان ژورنال: Quantum Information and Computation
سال: 2011
ISSN: 1533-7146,1533-7146
DOI: 10.26421/qic11.5-6-1