On 09-12-2017 02:03, Brent Meeker wrote:
On 12/8/2017 4:49 PM, smitra wrote:
It's not irrelevant if you don't have the information that locates you
in a sector where the uncertainties are indeed small enough. You have
to start with the complete state in the bird's view, and then consider
the sector where you have some definite information and then project
onto that subspace.
That reminds me of a student asked to find the spot where silver atoms
would strike the detector after passing through a Stern-Gerlach
instrument who started, "Well first you should write down the
Hamiltonian of the Stern-Gerlach magnets..."
The discussions on this list, this is actually relevant.
Saibal
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