On structure-preserving transformations of the Itō generator matrix for model reduction of quantum feedback networks

John Edward Gough, H. I. Nurdin

Research output: Contribution to journalArticlepeer-review

8 Citations (SciVal)

Abstract

Two standard operations of model reduction for quantum feedback networks, elimination of internal connections under the instantaneous feedback limit and adiabatic elimination of fast degrees of freedom, are cast as structure-preserving transformations of Itō generator matrices. It is shown that the order in which they are applied is inconsequential.
Original languageEnglish
Pages (from-to)5422-36
Number of pages15
JournalPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume370
Issue number1979
DOIs
Publication statusPublished - 28 Nov 2012

Keywords

  • quantum networks
  • model reduction
  • Schur complement
  • singular perturbation

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