Entanglement dynamics of two qubits under the influence of external kicks and Gaussian pulses

Details Entanglement dynamics of two qubits under the influence of external kicks and Gaussian pulses Entanglement dynamics of two qubits under the influence of external kicks and Gaussian pulses

2010-09-07

arxiv.org/abs/1009.1350v3

J. Phys. A: Math. Theor. 44, 405302 (2011)

Physics

Quantum Physics

Scientific paper

10.1088/1751-8113/44/40/405302

We have investigated the dynamics of entanglement between two spin-1/2 qubits that are subject to independent kick and Gaussian pulse type external magnetic fields analytically as well as numerically. Dyson time ordering effect on the dynamics is found to be important for the sequence of kicks. We show that "almost-steady" high entanglement can be created between two initially unentangled qubits by using carefully designed kick or pulse sequences.

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