coarse-graining

English

Alternative forms

• coarse graining

Noun

coarse-graining (countable and uncountable, plural coarse-grainings)

1. (sciences) The rescaling of a phenomenon into units or cells of size close to the uncertainty of measurement.
   • 2005, James B. Hartle, “What Connects Different Interpretations of Quantum Mechanics?”, in Quo Vadis Quantum Mechanics?‎, →ISBN, page 75:

     As human observers we focus almost entirely on coarse-grainings of this quasiclassical realm. However, quantum theory does not distinguish the classical realm from other decoherent sets...

Related terms

• coarse-grained

See also

• Granularity on Wikipedia.Wikipedia