News tagged with quantum information theory

The entropy of black holes

Yesterday I talked about black hole thermodynamics, specifically how you can write the laws of thermodynamics as laws about black holes. Central to the idea of thermodynamics is the property of entropy, which can be related ...

dateSep 12, 2014 in Astronomy
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Quantum engines must break down

Our present understanding of thermodynamics is fundamentally incorrect if applied to small systems and needs to be modified, according to new research from University College London (UCL) and the University of Gdańsk. The ...

dateJun 26, 2013 in Quantum Physics
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Playing quantum tricks with measurements

A team of physicists at the University of Innsbruck, Austria, performed an experiment that seems to contradict the foundations of quantum theory—at first glance. The team led by Rainer Blatt reversed a quantum measurement ...

dateFeb 15, 2013 in Quantum Physics
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