Author

Tigran Sedrakyan

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Preprint Sep 2026

Quantum computational advantage in random-circuit sampling on IBM superconducting quantum computers

We report forward random-circuit sampling (RCS) on the 120-qubit Nighthawk r2 superconducting processor (\textit{ibm\_phoenix}) with square-lattice connectivity, using 61 qubits, native CZ gates, and the standard cloud execution stack with no benchmark-specific calibration. Two independent fidelity estimators---mirror...

Tigran Sedrakyan, Yuxuan Zhang, H. Karapetyan et al. · 0 citations

Preprint Aug 2026

Neural Flux Attachment: From Bose Condensates to Chiral Topological Matter

Can one neural wave function describe both a Bose condensate and a chiral topological liquid? We introduce ChernFormer, which combines a fermionic transformer with a fixed Chern-Simons phase that attaches one statistical vortex to every particle pair. Each factor changes sign under exchange, so their product is exactly...

Rudik Badalyan, Kh. G. Nazaryan, Tigran Sedrakyan · 0 citations