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Entanglement in Coupled Harmonic Oscillators via Unitary Transformation
harmonic oscillator unitary transformation purity entanglement
2011/7/28
Abstract: We develop an approach to study the entanglement in two coupled harmonic oscillators. We start by introducing an unitary transformation to end up with the solutions of the energy spectrum. T...
Group theoretic structures in the estimation of an unknown unitary transformation
Group theoretic structures estimation unknown unitary transformation
2011/3/2
This paper presents a series of general results about the optimal estimation of physical transformations in a given symmetry group. In particular, it is shown how the different
symmetries of the prob...
Unitary Transformation in Quantum Teleportation
quantum telepertation EPR particle unitary transformation
2007/8/15
2006Vol.46No.5pp.857-858DOI:
Unitary Transformation in Quantum Teleportation
WANG Zheng-Chuan
Department of Physics, Graduate School of the Chinese
Academy of Sciences, ...
Solving Generalized Non-degenerate Two-Mode Two-Photon
Jaynes-Cummings Model by Supersymmetric Unitary Transformation
supersymmetric unitary transformation Jaynes-Cumnings model
2007/8/15
2002Vol.38No.1pp.85-88DOI:
Solving Generalized Non-degenerate Two-Mode Two-Photon
Jaynes-Cummings Model by Supersymmetric Unitary Transformation
SONG Tong-Qiang and ZHU Yue-Jin
...