Claudio Teitelboim
= Claudio Teitelboim
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<Claudio Teitelboim>, with <Máximo Bañados> and <Jorge Zanelli>, derived the <BTZ black hole> and investigated its thermodynamics. Their calculation related temperature and entropy to a three-dimensional black hole's horizon, with entropy proportional to horizon circumference.<The Black Hole in Three Dimensional Spacetime by Máximo Bañados and others>[Black-hole solution and partition-function thermodynamics]{ref}
In three spacetime dimensions the horizon cross-section is a curve, so its length replaces the familiar two-dimensional horizon area.