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|Type:||Artigo de periódico|
|Title:||Decoherence as the process of generation of coherent states|
|Abstract:||Coherent states are the only quantum states that recover the harmonic oscillator classical motion. However, rather than being deduced as the classical limit of the theory, coherent states were introduced into physics in a different context and then found to have properties that we can identify with our familiar classical experience. If classicality is really brought about by decoherence, coherent states should emerge naturally as the unique privileged states selected by the interaction with the environment. This is shown explicitly here, for the field in a single-mode cavity with ordinary one-photon losses, by calculating them directly as the only pure state solutions of the master equation at zero temperature.|
|Editor:||Taylor & Francis Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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