A Perspective on Quantum Computing Applications in Quantum Chemistry using 25--100 Logical Qubits · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/2506.19337/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTA Perspective on Quantum Computing Applications in Quantum Chemistry using 25--100 Logical Qubits — mentioned by nabla9https://news.ycombinator.com/item?id=45087376urn:hackerpapers:mention:2506.19337:45087376Sun, 31 Aug 2025 21:43:46 GMT<p>The general idea is that with N fault-tolerant qubits, you can find the ground-state energy of an electronic system with N spin orbitals. 100 spin orbitals is the practical upper limit of current computers, so when you get into several hundred qubits, you can start seeing gains. In some special problems hybrid methods start giving gains in 100 qubits or below. Gate count estimates for performing quantum chemistry on small quantum computers https://arxiv.org/pdf/1312.1695 A Perspective on Quantum Computing Applications in Quantum Chemistry using 25--100 Logical Qubits…</p><p><a href="https://hackerpaper.kaipfister.de/p/2506.19337/">Paper and discussion history</a>. A mention is not an endorsement.</p>quant-ph