Authors: George Rajna
Even the most brilliant scientific ideas need data. Just this year, the first-ever image of a black hole finally provided the evidence needed to support Einstein's 100-year-old theories.  EPFL researchers, with colleagues at the University of Cambridge and IBM Research-Zurich, unravel novel dynamics in the interaction between light and mechanical motion with significant implications for quantum measurements designed to evade the influence of the detector in the notorious 'back action limit' problem.  We don't have to get into what they claimed was the mechanism for destroying interference, because our experiment has shown there is an effect on the velocity of the particle, of just the size Heisenberg predicted.  Physicists have proposed an entirely new way to test the quantum superposition principle-the idea that a quantum object can exist in multiple states at the same time.  Researchers have developed a new device that can measure and control a nanoparticle trapped in a laser beam with unprecedented sensitivity.  Researchers have discovered a 'blind spot' in atomic force microscopy-a powerful tool capable of measuring the force between two atoms, imaging the structure of individual cells and the motion of biomolecules.  Australian scientists have investigated new directions to scale up qubits-utilising the spin-orbit coupling of atom qubits-adding a new suite of tools to the armory. 
Comments: 97 Pages.
[v1] 2019-11-02 04:24:56
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