Higgsino dark matter in a non-standard history of the universe

A light higgsino is strongly favored by the naturalness, while as a dark matter candidate it is usually under-abundant. We consider the higgsino production in a non-standard history of the universe, caused by a scalar field with an initially displaced vacuum. We find that given a proper reheating te...

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Bibliographic Details
Main Author: Chengcheng Han
Format: Article
Language:English
Published: Elsevier 2019-11-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269319307191

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