Posted: Oct 07, 2011 4:56 am
by hackenslash
Teuton wrote:
hackenslash wrote:No. In physics, an operator is more than a mathematical entity.

Nothing can be both a mathematical and a physical entity.

hackenslash wrote:
For example, energy, momentum and spin are all operators, and are real quantities.

"Physical Quantities:
Hermitian operators in the Hilbert space associated with a system represent physical quantities, and their eigenvalues represent the possible results of measurements of those quantities."


This means that operators aren't physical quantities (properties) themselves but mathematical representations thereof.

Still getting all your definitions from the dictionary of what colour is my lint. ... moper.html ... _Operators