Scientists have discovered that all quantum particles exhibit a property known as ‘backflow,’ allowing them to travel in the opposite direction from which they are pushed.
While it’s long been known that particles can move in this way when there are no external forces at play, a study has now found that it also applies in more realistic situations, when such forces are present.
The discovery means backflow is ‘ubiquitous’ among quantum particles, the researchers say, potentially opening the door for new methods of computer encryption and other quantum technology.
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