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CPM Seminar
Erik Sorensen
Department Physics and Astronomy It is natural to think that a disordered system should behave as an insulator. The possible phases of disordered systems with interactions are much more difficult to predict and a topic of great current interest. In this talk I focus on disordered bosonic systems where, in 2D, a transition directly from an insulating to a superconducting phase occurs without an intervening metallic phase. After a discussion of some of the experimental results on this transition, I will present numerical results we have obtained using a new high performance `worm' algorithm we have developed. Results for the various phase transitions occurring in this system as well as transport properties will be discussed.
Thurday, October 24th 2002, 15:30 |