2025 0217 Quantum spin 3 (IMAGE)
Caption
Diagram illustrating the quantum spin proof provided by teams from NUS and UNSW in the journal Newton. The left panel shows a classical 'Wheel of Fortune' where the maximum of each shaded panel on either side can never be more than four. The middle panel shows the quantum-blurred probability of finding a spin pointing in a certain direction. On the right is the probability function of a striking nonclassical, 'Schrödinger cat' state, where the spin is in a superposition of pointing in opposite directions. This spin returns a probability of being positive equal to 0.636, which is larger than the classical maximum of 0.571, thus proving that the spin is in a state that cannot be described by classical physics.
Credit
Vaartjes, Arjen et al. Newton, Volume 0, Issue 0, 100017 (2025)
Usage Restrictions
No restrictions.
License
Public Domain