[math-fun] Quantum mechanical derivation of the Wallis formula for pi

10 Nov 2015

      http://scitation.aip.org/content/aip/journal/jmp/56/11/10.1063/1.4930800

Here's an overview:

https://www.aip.org/publishing/journal-highlights/new-derivation-pi-links-qu...

Hans Havermann