Schroedinger's principle eliminates the EPR-locality paradox

TL;DR

This paper introduces a principle derived from Schrödinger's work that demonstrates the non-existence of the EPR-locality paradox within the Copenhagen interpretation, using simple entangled spin states and wave-packet collapse.

Contribution

It presents a new principle from Schrödinger's original ideas that resolves the EPR-locality paradox in standard quantum mechanics.

Findings

The paradox is well-posed even with simple entangled spins.

Wave-packet collapse is central to the resolution.

The principle aligns with the Copenhagen interpretation.

Abstract

We introduce a principle, implicitly contained in Schroedinger's paper (Schr35), which allows a proof of the non-existence of the EPR-locality paradox in the Copenhagen interpretation of quantum mechanics. The paradox is shown to be well-posed already in the simplest example of an entangled state of two spins one-half, independently of the (well-taken) objections by Araki and Yanase that the measurement of spin is not a local measurement. We assume that any measurement results in the collapse of the wave-packet.