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IBM Quantum Computer Simulates Real Magnetic Materials and Matches Lab Data (nerds.xyz)

(Saturday March 28, 2026 @06:34PM (EditorDavid) from the quantum-leaps dept.)


"IBM says its quantum computer can now simulate real magnetic materials and match actual lab experiment results," writes Slashdot reader [1]BrianFagioli , "which is something people have been waiting years to see."

> Instead of just theoretical output, the system reproduced neutron scattering data from a known material, meaning it lines up with real world physics. It still relies on a mix of quantum and classical computing and this is a narrow use case for now, but it is one of the first times quantum hardware has produced results that scientists can directly validate against experiments, which makes it a lot more interesting than the usual hype.

Classical computers "are not great at modeling quantum systems," according to [2]this article at Nerds.xyz . "The math gets messy fast, and scientists end up relying on approximations... Quantum computers are supposed to solve that problem..."

> If this direction continues, it could start to matter in areas like superconductors, battery tech, and even drug development. Those are the kinds of problems where better simulations can actually lead to better outcomes, not just nicer charts in a research paper.

"I am extremely excited about what this means for science," said study co-author Allen Scheie from the Los Alamos National Laboratory. In [3]an announcement from IBM , Scheie calls this "the most impressive match I've seen between experimental data and qubit simulation, and it definitely raises the bar for what can be expected from quantum computers."



[1] https://www.slashdot.org/~BrianFagioli

[2] https://nerds.xyz/2026/03/ibm-quantum-materials/

[3] https://research.ibm.com/blog/quantum-computers-take-a-step-into-real-materials-science



This is the QC we need! (Score:2)

by Gravis Zero ( 934156 )

Finally, we're seeing applications of QC that are actually useful. I look forward to this expanding so that we can greatly advance materials science by being able to simulate materials without ever having to construct them.

IBM: The eternal punching bag of Big Tech (Score:2, Interesting)

by LondoMollari ( 172563 )

Yeah, let me get out infront of the comments that will be full of the usual “Big Blue is so 1970s” snark, because nothing says “edgy” like dunking on the company that literally built the infrastructure the entire digital world runs on.

But let’s be real for a second. While everyone was busy calling IBM boring, stodgy, or “the company your grandpa still uses,” they were out here creating one foundational technology after another:

The hard disk drive (195

Re: (Score:2)

by Morromist ( 1207276 )

I'm starting to get the sense that the next big hype is going to be Quantum Computing after people realize that the only people who use AI to make money are computer programmers, people making porn and scammers.

IBM's stock is down a lot rn, this might be a good time to buy if you belive in the company.

This is the first story I've heard about IBM (Score:2)

by Valgrus Thunderaxe ( 8769977 )

...in awhile, that didn't involve the usual 30K personnel firing we hear about every year. Does this company still make computers?

How is this from 2023 different ? (Score:2)

by greytree ( 7124971 )

How is this from 2023 different ?

"Quantum Computing Advance Begins New Era, IBM Says. A quantum computer came up with better answers to a physics problem than a conventional supercomputer."

https://www.nytimes.com/2023/06/14/science/ibm-quantum-computing.html

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