Dr. David Bradnick wrote a book on “demons”. He argues that demons are actually non-personal emergent forces.
I don’t know whether there is a relationship between quantum physics and emergence theory. But it is a scientific explanation nonetheless. (Whether correct or not.)
From the book:
The author does not fully agree with Yong, but the main idea is the same. I myself suppose that some people are able to tap into this malevolent force through different means. Those activities could be called “witchcraft”.