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Replication of Quantum Factorisation Records with an 8-bit Home Computer [pdf]

(eprint.iacr.org)
108 points sebgan | 1 comments | 12 Jul 25 02:05 UTC | HN request time: 0.204s | source
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wasabi991011 ◴[12 Jul 25 05:32 UTC] No.44539574[source]▶
Yeah there's a reason that the quantum computing field has moved away from attempting factorisations. Not that there's not still hype and misleading claims being punished, but the hardware has improved a ton since 2001 and ever closer to actual useful quantum computation (such as large size quantum chemistry calculations).
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thrance ◴[12 Jul 25 11:44 UTC] No.44541356[source]▶
Are those useful computations in the room with us right now? No, but seriously, I feel like factorization is the one application that could justify those massive investments QC is receiving (even though it would probably make the world strictly worse...).

All those other applications, no matter how neat, I feel are quite niche. Like, "simulate pairs of electrons in the Ising model". Cool. Is that a multi-billion dollars industry though?

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1. rgbforge ◴[12 Jul 25 12:45 UTC] No.44541671[source]▶
If results from methods with higher electronic structure accuracy than DFT (MP2, couple cluster) can be made cheap enough, it would hugely disrupt industrial chemistry, medical experimentation, pharmaceuticals, the energy sector, etc.