Workshops and Seminars, Year 2010


14 - 05 - 2010 ore 14:00 - Aula Seminari del III piano


Teiko Heinosaari (Niels Bohr Institute, Copenhagen University): Incompatibility of Quantum Measurements - Some recent results


The existence of incompatible measurements is a fundamental feature of quantum theory. Incompatibility has several different manifestations. For instance, not all pairs of measurements can be performed simultaneously. Another fact is that generally a measurement disturbs the subsequent measuremens. I will review some recent results on this topic of incompatibility of quantum measurements.  


05 - 03 - 2010 ore 15:00 - Aula seminari III piano


Claudio Fernandez (Pontifcia Universidad Catolica de Chile): Mourre theory and unitary operators


We show how to use a unitary Mourre method to prove the absence of singular continuous spectrum for abstract unitary operators. As in the self-adjoint case, one can also control the possible eigenvalues. Finally, we show how to apply the theory in several specifc examples, including quantum mechanical systems.