253 citations
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11 papers · 1 filter
Driving three atoms into a singlet state in an optical cavity via adiabatic passage of a dark state
Mei Lu, Yan Xia, Jie Song +1
In this paper, we propose an efficient scheme to drive three atoms in an optical cavity into a singlet state via adiabatic passage. Appropriate Rabi frequencies of the classical fi…
State-independent teleportation of an atomic state between two cavities
Shi-Biao Zheng
A scheme is presented for the teleportation of an unknown atomic state between two separated cavities. The scheme involves two interaction-detection cycles and uses resonantly coup…
Jaynes-Cummings model with a collective atomic mode
Shi-Biao Zheng
We study the dynamics of a single control atom and an atomic sample interacting with a nonresonant cavity mode. The control atom is driven by an auxiliary classical field. Under ce…
Arbitrary control of multiple-qubit systems in the symmetric Dicke subspace
Shi-Biao Zheng
We discuss a general physical mechanism for arbitrary control of the quantum states of multiple qubits in the symmetric Dicke subspace. The qubit-qubit coupling leads to unequal en…
Macroscopic superposition and entanglement for displaced thermal fields induced by a single atom
Shi-Biao Zheng
We show that a cavity field can evolve from an initial displaced mixed thermal state to a macroscopic superpositions of displaced thermal states via resonant interaction with a two…
Macroscopic displaced thermal field as the entanglement catalyst
Shi-Biao Zheng
We show that entanglement of multiple atoms can arise via resonant interaction with a displaced thermal field with a macroscopic photon-number. The cavity field acts as the catalys…