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Using quantum computers to simulate molecules

/u/MeoWHamsteR7
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⚡ Quantum Brief
A Reddit user questioned the feasibility of quantum computers simulating molecules, a frequently cited application in physics, materials science, and pharmaceutical research. The claim suggests quantum computers can "become" molecules, drastically reducing computational complexity compared to classical methods by leveraging quantum states to model particle interactions directly. Skepticism arises from the lack of concrete evidence showing quantum advantage over classical simulations, despite theoretical promises dating back to Feynman’s 1982 proposal. Experts in the thread may clarify whether current quantum hardware—error-prone and limited in qubits—can outperform classical supercomputers for practical molecular simulations. The discussion highlights growing interest in merging quantum computing with computational physics, influencing academic and career choices in emerging tech fields.
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So whenever you're reading about the potential applications of QC, it is often mentioned that one such application is the ability to greatly aid physics, material science, and pharma research by increasing our abilities to accurately simulate the various particles and their interactions. The promise always goes along the lines of "Quantum computers will be able to actually be the molecules, thus greatly reduce the computational complexity involved in simulating their interactions". I'd just taken this claim at face value as just another amazing thing QC will be capable of, but recently I began thinking about it properly - and it quite frankly sounds like bullshit. Can anyone please explain to me whether this is indeed a potential application of quantum computing, and if so, what grants quantum computing to do this? Does it really overcome classical methods? This is more than a passing interest to me, because I am considering pursuing a Master's in computational physics, and being able to combine that with quantum computing sounds like a dream come true. Thank you for your time :) submitted by /u/MeoWHamsteR7 [link] [comments]

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Source: Reddit r/QuantumComputing (RSS)

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