Optimal learning of quantum channels in diamond distance
Our learning scheme and upper bound In this subsection we summarize our channel-learning protocol and its main guarantee,…
Scientists discover a new quantum state of matter that functions at room temperature
Researchers observed a room-temperature supersolid phase in a condensate made from hybrid light-matter particles called exciton polaritons.Randomly positioned…
India’s Scientific Brilliance: DIRAC Medal Highlights Achievements in Theoretical Physics
The DIRAC Medal has returned to India. In the discipline of theoretical physics, it is one of the…
Scientists find quantum link in how fast systems reach thermal balance
Physicists at the Austrian Academy of Sciences, Universitat Autònoma de Barcelona, and the University of Geneva have proven…
Scientists observed a quantum jump in sound in real time by tracking tiny energy changes hundreds of times in milliseconds |
Stanford physicists have recorded what they describe as the first direct observation of quantum jumps of sound in…
Scientists find fundamental limits on quantum battery reliability
A collaboration of researchers from various parts of the world has identified the fundamental limits on the reliability…
Tiny Diamond Beams Could Unlock More Powerful Quantum Networks
Conceptual illustration of an integrated quantum photonic circuit in which diamond nanobeams containing quantum emitters and spins are…
An information-theoretic proof of the Planckian bound for thermalization
We demonstrate the following lower bound on the thermalization time. Result For any thermalization machine satisfying requirements 1…
Physicists Made Light Swim Upstream and Broke Newton’s Third Law
A leaf dropped into a river goes wherever the current takes it. To travel upstream, something has to…
Stanford physicists observe a quantum jump of sound for the first time
Stanford researchers have directly tracked a single quantum of mechanical vibration, or phonon, abruptly disappearing from a microscopic…
Researchers Turned “Empty Space” Into a Tool for Superconductivity
Schematic of vacuum-fluctuation-enhanced superconductivity. Credit: USTC Researchers used a specially designed cavity to strengthen quantum vacuum fluctuations and…
Einstein’s Gravity Just Passed a Strange New Quantum Test
A new experiment found that a falling quantum wave behaves just as Einstein’s equivalence principle predicts. The result…