[1] Time’s Arrow of a Quantum Superposition of Thermodynamic Evolutions. By G. Rubino , G. Manzano, and C. Brukner Fundamental laws of physics are generally time-symmetric. The directionality of time is then often explained with the thermodynamic arrow of time: the entropy of an isolated system increases during a process, and it is constant only …
The superpositions of thermodynamical arrows of time Read More »
Quantum gravity might soon be tested in the lab, thanks to a new analysis from our nodes in the UK, France and Hong Kong. Drawing on advances in quantum information science, the researchers have found that if gravity is fundamentally quantum rather than classical it must generate a signature known as non-Gaussianity. To look for …
PhysicsWorld: Quantum gravity could be tested using ultracold atoms Read More »
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