Systems for Wireless Communication

Kempf, Torsten; Ascheid, Gerd; Leupers, Rainer

doi:10.1007/978-1-4419-8153-0_2

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Quantum Field Interacting With a Classical Potential1

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“…Let us now follow up on the proposal by Achim Kempf [14] to study the case of qubits interacting with a quantum scalar field which is interacting with a classical potential. We model this by choosing…”

Section: Quantum Field Interacting With a Classical Potentialmentioning

confidence: 99%

Local entanglement generation in the adiabatic regime

Cliche

Veitia

2010

Phys. Rev. A

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We study entanglement generation in a pair of qubits interacting with an initially correlated system. Using time independent perturbation theory and the adiabatic theorem, we show conditions under which the qubits become entangled as the joint system evolves into the ground state of the interacting theory. We then apply these results to the case of qubits interacting with a scalar quantum field. We study three different variations of this setup; a quantum field subject to Dirichlet boundary conditions, a quantum field interacting with a classical potential and a quantum field that starts in a thermal state.Comment: 9 pages, 6 figures. v2: reference [14] adde

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Section: Quantum Field Interacting With a Classical Potentialmentioning

confidence: 99%