Macroscopic thermal entanglement due to radiation pressure |
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Authors: | Ferreira Aires Guerreiro Ariel Vedral Vlatko |
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Institution: | Faculdade Ciências Universidade do Porto, Rua do Campo Alegre 687 4169-007, Porto, Portugal. |
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Abstract: | Can entanglement and the quantum behavior in physical systems survive at arbitrary high temperatures? In this Letter we show that this is the case for a electromagnetic field mode in an optical cavity with a movable mirror in a thermal state. We also identify two different dynamical regimes of generation of entanglement separated by a critical coupling strength. |
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