Alternative Experimental Protocol for a PBR-Like Result

TL;DR

This paper proposes alternative experimental protocols that support the assumptions behind the PBR theorem, leading to similar foundational results in quantum mechanics.

Contribution

It introduces new experimental protocols that replicate and weaken the PBR theorem's results, supporting measurement independence in quantum foundations.

Findings

Protocols support measurement independence

Achieve PBR-like results in special cases

Weaker PBR-like results generally

Abstract

Pusey, Barrett and Rudolph (PBR) have recently proven an important new theorem in the foundations of quantum mechanics. Here we propose alternative experimental protocols which lead to the PBR result for a special case and a weaker PBR-like result generally. Alternative experimental protocols support the assumption of measurement independence required for the PBR theorem.