Here is an article about “ghostdocs”:
https://www.the-scientist.com/careers/scientists-are-opting-for-remote-postdoc-positions-64289
Scientists Are Opting For Remote Postdoc Positions | The Scientist Magazine®
How to Work Well From Far Away. Self-reflect first: Remote work is not for everyone, says the University of Maine’s Jacquelyn Gill. “You should really checkin with yourself about whether or not you’re self-motivated, whether you have the local resources and support, whether you’ll feel isolated, or you have a strong community.”