Physicists found the shortest measurement to collapse a quantum state

Measuring a quantum entity makes it suffer its unusual quantum properties, and it lone takes betwixt 0.1 billionth of a 2nd to 0.1 sextillionth of a second

Physics 22 September 2022

By Karmela Padavic-Callaghan

Quantum question relation illness is not instantaneous

Shutterstock / peterschreiber.media

The illness of the quantum question relation – successful which quantum objects spell from existing wrong galore imaginable states astatine erstwhile to settling into a factual 1 understood by classical physics –  does not hap instantaneously, straight challenging a longstanding textbook knowing of quantum physics.

The astir notorious illustration of this improvement is Erwin Schrödinger’s thought experiment wherever a feline successful a container is successful a quantum authorities of some “dead” and “alive” astatine the aforesaid time. Opening the container and looking astatine …