Homework Statement
https://dl.dropboxusercontent.com/u/62834965/neutron_interferometer.png
Consider a neutron interferometer (NI), such as the Mach-Zehnder interferometer in the figure.
We send in a beam of neutrons. We assume that the flux of neutrons is so low (neutrons can be very slow)...
(inspired partially by this blog post: http://johncarlosbaez.wordpress.com/2012/01/19/classical-mechanics-versus-thermodynamics-part-1/
To my understanding, the thermodynamic configuration space has a nice symplectic structure. For example, using the language of classical mechanics, starting...