Overdamping of Neutron-Mirror-Neutron Transitions in Neutron Stars
B.O. Kerbikov
TL;DR
This paper demonstrates that in neutron stars, collisional decoherence suppresses neutron-mirror neutron oscillations, leading to exponential relaxation and a negligible mirror neutron admixture, contrary to previous expectations of oscillatory behavior.
Contribution
It reveals that collisional decoherence dominates neutron-mirror neutron transitions in neutron stars, preventing oscillations and resulting in exponential relaxation.
Findings
Decoherence causes exponential relaxation instead of oscillations.
Mirror neutron admixture remains very small in neutron stars.
Oscillations are suppressed by collisional decoherence by many orders of magnitude.
Abstract
The neutron to mirror neutron transitions in neutron stars would possibly result in significant effects. In this work we show that collisional decoherence entails exponential relaxation in lieu of oscillations. Decoherence is a great many orders of magnitude faster than the expected oscillations. The admixture of mirror neutrons at all times remains very small with respect to ordinary neutrons component.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Atomic and Subatomic Physics Research · Dark Matter and Cosmic Phenomena