Do classical laws arise from quantum laws?
Date: Monday, November 12, 2007 @ 19:55:02 UTC
Topic: Science


By Miranda Marquit

“The physics community is mostly divided into two groups,” Johannes Kofler tells PhysOrg.com. “One group believes that quantum theory is underlying the classical world, and that classical physics comes from the quantum. The other group thinks that quantum physics has to be altered. It forbids that quantum mechanics works on a macro level in the classical world by postulating additional laws.”


Kofler belongs to the former group. He and Časlav Brukner, both from the University of Vienna and from the Institute for Quantum Optics and Quantum Information (IQOQI) of the Austrian Academy of Sciences, have developed a novel theoretical approach to understanding the transition from quantum to classical physics.

Their work has been published in Physical Review Letters with the title, “Classical World Arising out of Quantum Physics under the Restriction of Coarse-Grained Measurements.”...

Full story: http://www.physorg.com/news114087870.html






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