Authors: George Rajna
With the demonstration of a sub-picosecond thin-disk laser oscillator delivering a record-high 350-watt average output power, physicists at ETH Zurich set a new benchmark and pave the path toward even more powerful lasers.  But in new experiments by physicists at MIT and elsewhere, the opposite happens: When a pattern called a charge density wave in a certain material is hit with a fast laser pulse, a whole new charge density wave is created-a highly ordered state, instead of the expected disorder.  Scientists from Universität Hamburg have united the two research fields and succeeded in observing the emergence of ions in ultracold atoms.  Researchers at the Kirchhoff Institute for Physics of Heidelberg University recently succeeded in verifying so-called non-local quantum correlations between ultracold clouds of rubidium atoms.  Four decades after it was predicted, scientist create a skyrmion, and take one step towards efficient nuclear fusion.  While standard quantum hardware entangles particles in two states, the team has found a way to generate and entangle pairs of particles that each has 15 states. 
Comments: 41 Pages.
[v1] 2019-11-13 07:55:01
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