The Algorithm Melvin found out that the most simple realization can be asymmetric and therefore counterintuitive (Copyright: Robert Fickler, Universität Wien).
Quantum physics is counterintuitive. Many of the phenomena in the quantum world do not have a classical analog: In the quantum world, a coin is not either heads or tails - but can have both properties at the same time. For a better understanding of such phenomena, laboratory experiments are indispensable. Quantum physicist Mario Krenn and his colleagues in the group of Anton Zeilinger from the Faculty of Physics at the University of Vienna have developed an algorithm which designs new useful quantum experiments. As the computer does not rely on human intuition, it finds novel unfamiliar solutions. The research has just been published in the journal Physical Review Letters. The idea was developed when the physicists wanted to create new quantum states in the laboratory, but were unable to conceive of methods to do so.
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