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From: pbw@cbosgd.UUCP (Paul Westerfield)
Newsgroups: net.physics
Subject: superconductivity
Message-ID: <829@cbosgd.UUCP>
Date: Thu, 12-Jan-84 20:40:03 EST
Article-I.D.: cbosgd.829
Posted: Thu Jan 12 20:40:03 1984
Date-Received: Sat, 14-Jan-84 02:48:14 EST
Distribution: net
Organization: AT&T Bell Laboratories, Columbus
Lines: 13


	Does anyone out in net land happen to be familiar enough with very
low temperature physics to explain the low level characteristics that allow
metals to exhibit superconductance characteristics? From a purely physical
viewpoint, it seems that there would be NO conductance at absolute zero, this
being defined as the minimum energy state, and hence implying no electron
movement (conductance). Is this true and it's only states NEAR 0 deg. K that
are valid superconductance regions for certain metals? As far as I've heard,
some physicists would be happy just to get this effect at even 30 deg. K, but
are currently working around 4 deg. K.  Any info?

						Paul B. Westerfield
						AT&T Bell Labs - Columbus