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Physicists found the shortest measure to collapse a quantum state

Measuring a quantum object causes it to lose its strange quantum properties, and it only takes between 0.1 billionths of a second and 0.1 sextillionths of a second.

physical


September 22, 2022

The collapse of the quantum wave function is not instantaneous

Shutterstock / peterschreiber.media

Quantum wave function collapse, in which quantum objects go from existing in many possible states at once to settling into a particular one understood by classical physics, does not occur instantaneously, directly challenging a textbook understanding. long standing text of quantum physics.

The most notorious example of this phenomenon is Erwin Schr√∂dinger’s thought experiment in which a cat in a box is in a quantum state of “dead” and “alive” at the same time. Opening the box and looking…

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