Three-spin interactions enable maximal concurrence near multicritical points and sustain entanglement for intra-phase quenches in a central spin model.
Disentanglement of two qubits coupled to an XY spin chain: Role of quantum phase transition
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Numerical study of two-qutrit entanglement in a spin environment finds correlation between fast decay and quantum phase transitions.
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Generation of concurrence in a generalized central spin model with a three-spin interacting environment
Three-spin interactions enable maximal concurrence near multicritical points and sustain entanglement for intra-phase quenches in a central spin model.
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Entanglement dynamics of a two-qutrits system coupled to a spin chain
Numerical study of two-qutrit entanglement in a spin environment finds correlation between fast decay and quantum phase transitions.