University of Vienna

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Lost Schrödinger manuscript reveals his hidden-variable quantum model

Holds the Schrödinger archive containing the lost manuscript

A three-page draft by Erwin Schrödinger sat unnoticed in the University of Vienna archive for 82 years. The quantum pioneer wrote it in late 1944 to show that determinism couldn't be ruled out — a position he refused to abandon even though he leaned toward indeterminism.

Updated 2 hours ago