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Apr 13, 2017 at 12:19 history edited CommunityBot
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Aug 1, 2011 at 21:48 vote accept Mark Eichenlaub
Aug 1, 2011 at 6:32 comment added Marek Right. Similarly, we know dozens of other bases that correspond to eigenstates of some Hamiltonian or other. Of course none of these is in any way natural (or even useful) to an arbitrary general problem.
Aug 1, 2011 at 6:28 history answered David Z CC BY-SA 3.0