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quant-ph2013
The entanglement of two qubits coupled ultrastrongly with a quantum oscillator
Guihua Tian, Shuquan Zhong
We explore the possibility of the controlled manipulation of the entanglement of two qubits with an external apparatus, the Rabi Hamiltonian. The novel results show that the initia…
quant-ph2013
Use strong coupling strength to coherently preserve quantum entanglement
Guihua Tian, Shuquan Zhong
The dynamics of two qubits ultra-strongly coupled with a quantum oscillator is investigated by the adiabatic approximation method. The evolution formula of the initial four Bell st…