Are We Living in a Simulated Universe?


If the universe is just a Matrix-like simulation, how could we ever know? Physicist Silas Beane of the University of Bonn, Germany, thinks he has the answer. His paper "Constraints on the Universe as a Numerical Simulation" has been submitted to the journal Physical Review D.

Decoherence-protected quantum gates for a hybrid solid-state spin register


Protecting the dynamics of coupled quantum systems from decoherence by the environment is a key challenge for solid-state quantum information processing.

drawings and calculations

Drawings and calculations

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