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Characterizing entanglement of an artificial atom and a cavity cat state with Bell’s inequality
Characterizing entanglement cavity cat state Bell’s inequality
2016/1/22
The Schrodinger’s cat thought experiment highlights the counterintuitive concept of entan-glement in macroscopically distinguishable systems. The hallmark of entanglement is the detection of strong co...
ENTANGLEMENT DISTRIBUTION OVER THE SUBSYSTEMS AND ITS INVARIANCE
ENTANGLEMENT DISTRIBUTION OVER THE SUBSYSTEMS INVARIANCE
2014/5/28
We study the entanglement dynamics of two qubits, each of which is embedded into its local amplitude-damping reservoir, and the entanglement distribution among all the bipartite subsystems including q...
Entanglement transitions in random definite particle states
entanglement transitions Quantum Physics
2010/11/8
Entanglement within qubits are studied for the subspace of definite particle states or definite number of up spins. A transition from an algebraic decay of entanglement within two qubits (1/N^2) with ...
Dualities and Identities for Maximal-Entanglement Quantum Codes
Dualities Identities Maximal-Entanglement Quantum Codes
2010/11/8
The dual of an entanglement-assisted quantum error-correcting (EAQEC) code is the code resulting from exchanging the original code's information qubits for its ebits and vice versa. As an introduction...
Deterministic polarization-entanglement purification using spatial entanglement
Deterministic polarization-entanglement purification spatial entanglement
2010/11/8
We present an efficient entanglement purification protocol with hyperentanglement in which additional spatial entanglement is utilized to purify the two-particle polarization-entangled state. The bit-...
Entanglement and symmetry effects in the transition to the Schroedinger cat regime
Entanglement symmetry effects transition Schroedinger cat regime
2010/11/5
We study two-spin entanglement and order parameter fluctuations as a function of the system size in the XY model in a transverse field and in the isotropic XXX model. Both models are characterized by ...
Non-Markovian Entanglement Sudden Death and Rebirth of a Two-Qubit System in the Presence of System-Bath Coherence
Non-Markovian Entanglement Sudden Death Rebirth Two-Qubit System the Presence System-Bath Coherence
2010/11/5
We present a detailed study of the entanglement dynamics of a two-qubit system coupled to independent non-Markovian environments, employing hierarchy equations. This recently developed theoretical tre...
Entanglement created by spontaneously generated coherence
Entanglement created spontaneously generated coherence
2010/10/29
We propose a scheme able to generate on demand a steady state entanglement between two non-degenerate cavity modes. The scheme relies on the interaction of the cavity modes with an ensemble of driven ...