7.2k citations · 7.4k across the 5 of their papers we have counts for
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Majorana loop stabilizer codes for error correction of fermionic quantum simulations
Zhang Jiang, Jarrod McClean, Ryan Babbush +1
Fermion-to-qubit mappings that preserve geometric locality are especially useful for simulating lattice fermion models (e.g., the Hubbard model) on a quantum computer. They avoid t…
Postponing the orthogonality catastrophe: efficient state preparation for electronic structure simulations on quantum devices
Norm M. Tubman, Carlos Mejuto-Zaera, Jeffrey M. Epstein +8
Despite significant work on resource estimation for quantum simulation of electronic systems, the challenge of preparing states with sufficient ground state support has so far been…
Efficient population transfer via non-ergodic extended states in quantum spin glass
Kostyantyn Kechedzhi, Vadim Smelyanskiy, Jarrod R. McClean +6
We analyze a new computational role of coherent multi-qubit quantum tunneling that gives rise to bands of non-ergodic extended (NEE) quantum states each formed by a superposition o…
Quantum Simulation of Chemistry with Sublinear Scaling in Basis Size
Ryan Babbush, Dominic W. Berry, Jarrod R. McClean +1
We present a quantum algorithm for simulating quantum chemistry with gate complexity where is the number of electrons and is the number of plan…
Encoding Electronic Spectra in Quantum Circuits with Linear T Complexity
Ryan Babbush, Craig Gidney, Dominic W. Berry +5
We construct quantum circuits which exactly encode the spectra of correlated electron models up to errors from rotation synthesis. By invoking these circuits as oracles within the…
Barren plateaus in quantum neural network training landscapes
Jarrod R. McClean, Sergio Boixo, Vadim N. Smelyanskiy +2
Many experimental proposals for noisy intermediate scale quantum devices involve training a parameterized quantum circuit with a classical optimization loop. Such hybrid quantum-cl…