Re: ASA Member in the News

From: Charles Carrigan <>
Date: Tue Jun 21 2005 - 15:32:22 EDT

anyone care to fill me in on what an "exciton" is?
Charles W. Carrigan, Ph.D.
Olivet Nazarene University
Dept. of Geology
One University Ave.
Bourbonnais, IL 60914
PH: (815) 939-5346
FX: (815) 939-5071

>>> Jack Haas <> 06/21/05 10:48 AM >>>

ASA member David Snoke in the news.

Physical Review Letters
Pitt and Bell Labs researchers send 'heavy photons' over world-record
distances <>
Scientists from the University of Pittsburgh and Bell Labs report that
they have designed and demonstrated a two-dimensional semiconductor
structure in which excitons exist longer and travel farther than
previously recorded.* David Snoke,* a senior author and an associate
professor of physics and astronomy at Pitt, and his colleagues report a
system in which excitons move freely over distances of hundreds of
microns. Their findings open up the possibility of new applications,
such as excitonic circuits.
Received on Tue Jun 21 15:36:55 2005

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