Effective Hamiltonian theory and its applications in quantum information

Daniel F.V. James, Jonathan Jerke

Research output: Contribution to journalArticlepeer-review

320 Scopus citations


This paper presents a useful compact formula for deriving an effective Hamiltonian describing the time-averaged dynamics of detuned quantum systems. The formalism also works for ensemble-averaged dynamics of stochastic systems. To illustrate the technique, we give examples involving Raman processes, Bloch-Siegert shifts, and quantum logic gates.

Original languageEnglish
Pages (from-to)625-632
Number of pages8
JournalCanadian Journal of Physics
Issue number6
StatePublished - Jun 2007


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