Dear colleagues and students,


we would like to invite you to an extra talk of the Physics Colloquium:


Speaker:
   Marlan Scully, Texas A&M University and Princeton University

Title:         Using Quantum Mechanics to Detect Anthrax

Place:       Lecture Hall C, Wednesday, March 18th, 17:15

Abstract:  Counterintuitive effects such as amplification without noise and lasing without inversion are examples of quantum coherence. More recently, the study of quantum coherence effects has lead to improvements in laser spectroscopy which allow us to "instantaneously" detect anthrax type endospores. In the latter example, marker molecules in the endospore are put into maximal oscillation which is detected by scattering laser light off the coherently oscillating molecules. This is called coherent Raman scattering and is a type of Dicke superradiance. The preceding topics were tempered and advanced in the heat of vigorous debate.

For Ref., see http://www.pnas.org/content/105/2/422.abstract and http://www.sciencemag.org/cgi/reprint/316/5822/265.pdf


Yours sincerely,
for the organizers

Hanns-Christoph Nägerl