Australian Scientists Just Made Quantum Computing 10 Times More Stable

Australian engineers have created a new quantum bit which remains in a stable superposition for 10 times longer than previously achieved, dramatically expanding the time during which calculations could be performed in a future silicon quantum computer.

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in a related article

Diamonds aren’t forever: Team creates first quantum computer bridge

For the first time on a single chip, scientists have demonstrated all the components needed to create a quantum bridge to link quantum computers together.

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I wonder what sort of games you could play on a quantum computer

Cymek said:

I wonder what sort of games you could play on a quantum computer

Very sneaky ones I would imagine.

Cymek said:

I wonder what sort of games you could play on a quantum computer

Well, anything that can be solved using oodles of trial and error.
Crossword, Sudoku, Chess, Checkers, Go, Combinatorial Chemistry come to mind.

But the quantum speedup would not be the same as the number of qbits because speedup subtleties that can be applied on a standard computer won’t work on a quantum one. Perhaps we could expect an improvement of the order of log of the number of qbits.

CrazyNeutrino said:

Australian Scientists Just Made Quantum Computing 10 Times More Stable

Australian engineers have created a new quantum bit which remains in a stable superposition for 10 times longer than previously achieved, dramatically expanding the time during which calculations could be performed in a future silicon quantum computer.

More…

From article, “ten times longer” is 2.4 milliseconds. A quantum computer survives for 2.4 milliseconds before destroying itself. That sure is useful – not.

I used to think that quantum dots had a short lifetime, but they last for several days.