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pro vyhledávání: '"Chan, Hans Hon Sang"'
We adapt a recent advance in resource-frugal quantum signal processing - the Quantum Eigenvalue Transform with Unitary matrices (QET-U) - to explore non-unitary imaginary time evolution on early fault-tolerant quantum computers using exactly emulated
Externí odkaz:
http://arxiv.org/abs/2303.06161
We present shadow spectroscopy as a simulator-agnostic quantum algorithm for estimating energy gaps using very few circuit repetitions (shots) and no extra resources (ancilla qubits) beyond performing time evolution and measurements. The approach bui
Externí odkaz:
http://arxiv.org/abs/2212.11036
First quantized, grid-based methods for chemistry modelling are a natural and elegant fit for quantum computers. However, it is infeasible to use today's quantum prototypes to explore the power of this approach, because it requires a significant numb
Externí odkaz:
http://arxiv.org/abs/2202.05864
Autor:
Chan, Hans Hon Sang, Fitzpatrick, Nathan, Segarra-Marti, Javier, Bearpark, Michael J., Tew, David P.
Ab initio electronic excited state calculations are necessary for the quantitative study of photochemical reactions, but their accurate computation on classical computers is plagued by prohibitive scaling. The Variational Quantum Deflation (VQD) is a
Externí odkaz:
http://arxiv.org/abs/2105.10275
Akademický článek
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