I've been reading Griffths QM recently, and in the book he mentioned a couple of times that though these pathological functions exist, they're not physically realizable. But what's wrong with these functions? What prevents them to be physically realizable ?(adsbygoogle = window.adsbygoogle || []).push({});

EDIT：Griffths' statement is wave function may not vanish at infinity, not blow up; Thanks to George Jones pointing out.

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# Square integrable functions blowing up at infinity

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