Ben Turner @usuallyjustben

Journalist and Staff writer @LiveScience. Other words at @SW_londoner @newscientist [email protected] Joined August 2019

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Ben Turner @usuallyjustben

5 years ago

@JoeIvesUK Maaaaaate, well done!

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Quanta Magazine @QuantaMagazine

5 years ago

Scientists crushed water between two diamonds to make “superionic ice,” a paradoxically hot form of water ice, @usuallyjustben reports for @LiveScience. livescience.com/stable-superio…

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@ScottCDunn At the same time, the qubits do themselves make up a localised, many-body system, with each qubit in one of two states or a superposition of them. They’re not atoms, but they’re a close to perfect analogue for them — a time crystal in their own right.

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Ben Turner @usuallyjustben

5 years ago

@ScottCDunn This is an interesting one. The answer is both. The qubits are simulating the many-body spin chain we’d call an atomic time crystal, so in that sense it’s a simulation. (There have been time crystals made with actual atoms but they’re harder to isolate and decohere much quicker.)

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Ben Turner @usuallyjustben

5 years ago

@ScottCDunn Sure, they’re destroying it every time they check, but they’re also proving that at any given point in time it isn’t drifting away from one of two initial states — that it’s a time crystal.

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Ben Turner @usuallyjustben

5 years ago

@ScottCDunn They would pick a point in time, peak to see that the crystal was in one of its two programmed states, and destroy the crystal. Then they would reprogramme the states (resetting the crystal) and peak at a different point in time. They would then do this many thousand times more.