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The Magnus expansion in the adiabatic picture

Date: 
Tuesday 3rd July 2007 - 15:30 to 16:00
Venue: 
INI Seminar Room 1
Abstract: 

In this talk we review the main aspects of the Magnus expansion for treating time-dependent systems evolving in a near-adiabatic regime. We discuss its applicability and the convergence domain. We will show, in particular, how this procedure alllows us to obtain very accurate approximations to the transition probability for time-dependent two-state quantum systems even far from the adiabatic limit.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons