Enhanced violation of Leggett-Garg Inequality in three flavour neutrino oscillations via non-standard interactions

TL;DR

This paper investigates how non-standard interactions can enhance the quantum violation of Leggett-Garg inequalities in three-flavor neutrino oscillations, highlighting increased quantum coherence effects.

Contribution

It demonstrates that non-standard interactions can significantly amplify LGI violations in neutrino oscillations, a novel insight into quantum effects in particle physics.

Findings

Enhanced LGI violation with NSI parameters

Quantum coherence persists over astrophysical scales

Potential implications for neutrino quantum behavior

Abstract

Neutrino oscillations occur due to non-zero masses and mixings and most importantly they are believed to maintain quantum coherence even over astrophysical length scales. In the present study, we explore the quantumness of three flavour neutrino oscillations by studying the extent of violation of Leggett-Garg inequalities (LGI) if non-standard interactions are taken into account. We report an enhancement in violation of LGI with respect to the standard scenario for appropriate choice of NSI parameters.