On Tuesday, October 26, 2021 at 1:48:17 PM UTC-5 Brent wrote: > Yet it's not clear that they actually demonstrated quantum supremacy. See > https://scottaaronson.blog/?p=5868 > > Brent > > The Chinese have made a number of these quantum computing systems that are singly devoted to solving one problem. Last year they announced a photon based computer that was fast and with huge space. However, it was not universal. Chinese science policy directors are eager to show Chinese supremacy, similar to Soviet space gymnastics in the early 1960s. It is not clear this reflects an immediate lead in the field. The long term situation though may be more difficult.
LC > > On 10/26/2021 7:45 AM, John Clark wrote: > > In yesterday's issue of the journal Physical Review Letters researchers > in China report they have performed a calculation in a problem that has > 10^43 dimensions in Hilbert space 10^24 times faster than the largest > conventional supercomputer using the best conventional algorithm can. The > calculation solved was about something called "Boson Sampling" which > doesn't seem to have much application in itself but is a good proof of > concept that a Quantum Computer can do things that a conventional computer > can't. Google solved a vastly smaller problem in Boson Sampling about a > year ago and claimed quantum supremacy using a 53 qubit Quantum Computer, > the Chinese used a 56 qubit Quantum Computer, that may seem like just a > small increase but with Quantum Computers things build exponentially so > that the problem the Chinese were able to solve was astronomically more > complex than the one Google had solved a year ago. > > Strong Quantum Computational Advantage Using a Superconducting Quantum > Processor > <https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.180501> > > Phase-Programmable Gaussian Boson Sampling Using Stimulated Squeezed Light > <https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.180502> > > Huge Leap for Quantum Primacy <https://physics.aps.org/articles/v14/147> > > John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > > nnq > > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-li...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAJPayv0WoNMZJ4PhB0kqWm4LWn6ZJWSd_Lbm3aR35EAEYJn7fA%40mail.gmail.com > > <https://groups.google.com/d/msgid/everything-list/CAJPayv0WoNMZJ4PhB0kqWm4LWn6ZJWSd_Lbm3aR35EAEYJn7fA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/f6fd02ae-d9f5-4e95-abb0-306fa7db109bn%40googlegroups.com.
