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Dirac braket-formalism

  • To: mathgroup at
  • Subject: [mg72801] Dirac braket-formalism
  • From: Gernot Pfanner <pfannerg at>
  • Date: Sat, 20 Jan 2007 03:20:42 -0500 (EST)
  • Reply-to: pfannerg at


Is there a straightforward way to do simple operations in
the braket-formalism with Mathematica?
I stumbled across the "New notation"-Demo [1], but in Linux, Mathematica
does not accept the angular brackets (in In[28]:=... of [1]). It marks
them as "missing closure" (i.e. in a purple colour) and In[33]:= (of [1])
therefore returns

Syntax::sntxb : Expression cannot beginn with "a,:psi:|:phi:" 

(:psi:,:phi: represented as greek letters).
In this spirit
With many thanks in advance
Yours Gernot

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