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Carrier-envelope phase sensitive inversion in two-level systems
Carrier-envelope phase sensitive two-level systems
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2011/9/2
We theoretically study the carrier-envelope phase dependent inversion generated in a two-level system by excitation with a few-cycle pulse. Based on the invariance of the inversion under time reversal...
Suppressing decoherence and improving entanglement by quantum-jump-based feedback control in two-level systems
Suppressing decoherence improving entanglement by quantum-jump-based feedback two-level systems
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2010/10/19
We study the quantum-jump-based feedback control on the entanglement shared between two
qubits with one of them subject to decoherence, while the other qubit is under the control. This situation is v...
Weak-Coupling Theory for Semiclassical Periodically Driven
Two-Level Systems: Beyond Rotating-Wave Approximation
periodically driven two-level systems weak-coupling theory beyond rotating-wave
approximation
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2007/8/15
2007Vol.48No.2pp.339-342DOI:
Weak-Coupling Theory for Semiclassical Periodically Driven
Two-Level Systems: Beyond Rotating-Wave Approximation
YANG Xiao-Xue and WU Ying
D...
Explicit Realization of Pseudo-Hermitian and Quasi-Hermitian Quantum Mechanics for Two-Level Systems
Pseudo-Hermitian quasi-Hermitian metric operator observable two-level system
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2010/4/9
We give an explicit characterization of the most general quasi-Hermitian operator H, the associated metric operators h+, and h+-pseudo-Hermitian operators acting in C2. The latter represent the physic...