• Corpus ID: 119322616

Multimode Gaussian optimizers for the Wehrl entropy and quantum Gaussian channels

@inproceedings{Palma2017MultimodeGO,
  title={Multimode Gaussian optimizers for the Wehrl entropy and quantum Gaussian channels},
  author={Giacomo De Palma and Dario Trevisan and Vittorio Giovannetti},
  year={2017}
}
We prove in the multimode scenario a fundamental relation between the Wehrl and the von Neumann entropy, stating that the minimum Wehrl entropy among all the quantum states with a given von Neumann entropy is achieved by thermal Gaussian states. We also prove that thermal Gaussian input states minimize the output von Neumann entropy of multimode quantum Gaussian attenuators, amplifiers and phase-contravariant channels among all the input states diagonal in some product basis and with a given… 

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    IEEE Transactions on Information Theory
  • 2019
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  • G. Palma
  • Computer Science, Physics
    IEEE Trans. Inf. Theory
  • 2019
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  • G. Palma
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    ArXiv
  • 2017
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