I'm looking for a story that I read as a child. The synopsis is something like:

"a science fiction story about scientists who create a personal force field which makes a halo appear around their heads when it is on and they use this like gods or angels to trick a foreign invading military to back down"

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    Hi, welcome to SF&F! We don't know when you were a child, so what year would you have read this? Was it a book or a short story? – DavidW May 12 at 1:37
  • The accepted answer is not what I expected. I have a vague memory of a short SciFi story where someone rigged a forcefield to protect from alien natives - found they went from hostile to friendly. Eventually went out without the forcefield & was killed because they "didn't have the halo" Don't have enough details at the moment to make a separate question but I might if I can remember more. – Dragonel May 12 at 16:57
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    It's not considered good practice to edit your question to include the answers and/or "thank you" statements - it should stand on its own. In fact, at least on Stack Overflow (the main Stack Exchange programming site), even comments that say only "thank you" (and don't include other information) are deprecated - upvoting and accepting answers are supposed to be sufficient. – Ben Bolker May 12 at 17:35

Sounds like Robert Heinlein's novel, "The Day after Tomorrow".

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    You should explain what parts of the novel match, at least name the characters and describe the scene when this happens. – DavidW May 12 at 3:02
  • While the novel is obvious note that the halo is not a required part of the force field, it was done for show. – Loren Pechtel May 12 at 19:02

AKA Sixth Column. The USA is invaded by the "Pan-Asians" and all American citizens are enslaved. Anyone who is part Japanese is killed. The last few scientists in an underground fortress have discovered new scientific principles; and can transmute matter and use a new undetectable communications system. They set up a new religion as a cover for their activities and recruit Americans into it and pose as priests; which is where the halo effect comes into play.

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    Not really a different answer. Should probably be a comment. – Emsley Wyatt May 12 at 17:23
  • But, very useful information! – Ben Bolker May 12 at 17:33

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