1. Jan 21, 2015 #1

   Stephen Tashi

   

   Science Advisor

   In classical physics, the definition of a unit of measure involves a deterministic process (e.g. "the amount of force necessary to give a kilogram mass the acceleration of 1 meter per second square"). How are such units defined in Quantum Mechanics?
   
   ( Do we replace references to quantities with references to their expected values? )

    

   Stephen Tashi, Jan 21, 2015
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3. Jan 21, 2015 #2

   Vanadium 50

   

   Staff Emeritus

   Science Advisor

   Education Advisor

   Units are defined the same. The universe is fundamentally quantum, but that doesn't stop us from defining (e.g.) the kilogram.

    

   Vanadium 50, Jan 21, 2015

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