AUTHOR=Yokoyama Tatsuhiro TITLE=Simulation study of the impacts of E-region density on the growth of equatorial plasma bubbles JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2024.1502618 DOI=10.3389/fspas.2024.1502618 ISSN=2296-987X