Neutrinos, mixed bosons, Quantum Reference Frames and entanglement

TL;DR

This paper explores how quantum reference frames can define the rest frame for mixed particles, revealing a new form of frame-dependent entanglement with potential phenomenological implications.

Contribution

It introduces a quantum frame-based approach to define rest frames for mixed particles and uncovers a novel type of frame-dependent entanglement.

Findings

Quantum frames enable defining rest frames for mixed particles.

Reveals a new form of frame-dependent entanglement.

Potential implications for particle reaction phenomenology.

Abstract

We discuss the relevance of quantum reference frames in the description of mixed particle states. We show that the notion of rest frame for mixed particles, which is classically ill-defined, can be introduced in the context of quantum frames. We discuss the possible phenomenological implications, displaying a new form of framedependent entanglement that characterizes reactions involving mixed particles.