Search Results - "McArdle, Sam"
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Learning from Physics Experiments with Quantum Computers: Applications in Muon Spectroscopy
Published in PRX quantum (01-06-2021)“…Computational physics is an important tool for analyzing, verifying, and—at times—replacing physical experiments. Nevertheless, simulating quantum systems and…”
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2
Variational ansatz-based quantum simulation of imaginary time evolution
Published in npj quantum information (06-09-2019)“…Imaginary time evolution is a powerful tool for studying quantum systems. While it is possible to simulate with a classical computer, the time and memory…”
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3
Virtual Distillation for Quantum Error Mitigation
Published in Physical review. X (19-11-2021)“…Contemporary quantum computers have relatively high levels of noise, making it difficult to use them to perform useful calculations, even with a large number…”
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4
Error Mitigation via Verified Phase Estimation
Published in PRX quantum (01-05-2021)“…The accumulation of noise in quantum computers is the dominant issue stymieing the push of quantum algorithms beyond their classical counterparts. We do not…”
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5
Evaluating a quantum-classical quantum Monte Carlo algorithm with Matchgate shadows
Published in Physical review research (24-10-2024)“…Solving the electronic structure problem of molecules and solids to high accuracy is a major challenge in quantum chemistry and condensed matter physics. The…”
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6
Error-Mitigated Digital Quantum Simulation
Published in Physical review letters (10-05-2019)“…Variational algorithms may enable classically intractable simulations on near-future quantum computers. However, their potential is limited by hardware errors…”
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7
Quantum computational chemistry
Published in Reviews of modern physics (01-03-2020)“…One of the most promising suggested applications of quantum computing is solving classically intractable chemistry problems. This may help to answer unresolved…”
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8
Digital quantum simulation of molecular vibrations
Published in Chemical science (Cambridge) (14-06-2019)“…Molecular vibrations underpin important phenomena such as spectral properties, energy transfer, and molecular bonding. However, obtaining a detailed…”
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9
Qubit-Efficient Randomized Quantum Algorithms for Linear Algebra
Published in PRX quantum (01-04-2024)“…We propose a class of randomized quantum algorithms for the task of sampling from matrix functions, without the use of quantum block encodings or any other…”
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10
Learning from physics experiments, with quantum computers: Applications in muon spectroscopy
Published 11-12-2020“…PRX Quantum 2, 020349 (2021) Computational physics is an important tool for analysing, verifying, and -- at times -- replacing physical experiments…”
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11
Qubit-Efficient Randomized Quantum Algorithms for Linear Algebra
Published 20-05-2024“…We propose a class of randomized quantum algorithms for the task of sampling from matrix functions, without the use of quantum block encodings or any other…”
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12
Quantum state preparation without coherent arithmetic
Published 26-10-2022“…We introduce a versatile method for preparing a quantum state whose amplitudes are given by some known function. Unlike existing approaches, our method does…”
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13
A streamlined quantum algorithm for topological data analysis with exponentially fewer qubits
Published 26-09-2022“…Topological invariants of a dataset, such as the number of holes that survive from one length scale to another (persistent Betti numbers) can be used to…”
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14
Exploiting fermion number in factorized decompositions of the electronic structure Hamiltonian
Published 21-05-2022“…Achieving an accurate description of fermionic systems typically requires considerably many more orbitals than fermions. Previous resource analyses of quantum…”
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15
Improving the accuracy of quantum computational chemistry using the transcorrelated method
Published 19-06-2020“…Accurately treating electron correlation in the wavefunction is a key challenge for both classical and quantum computational chemistry. Classical methods have…”
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16
Evaluating a quantum-classical quantum Monte Carlo algorithm with Matchgate shadows
Published 10-09-2024“…Solving the electronic structure problem of molecules and solids to high accuracy is a major challenge in quantum chemistry and condensed matter physics. The…”
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Journal Article -
17
Error-mitigated digital quantum simulation
Published 28-05-2019“…Phys. Rev. Lett. 122, 180501 (2019) Variational algorithms may enable classically intractable simulations on near-future quantum computers. However, their…”
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18
Quantum algorithms: A survey of applications and end-to-end complexities
Published 04-10-2023“…The anticipated applications of quantum computers span across science and industry, ranging from quantum chemistry and many-body physics to optimization,…”
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19
Quantum computational chemistry
Published 27-01-2020“…Rev. Mod. Phys. 92, 15003 (2020) One of the most promising suggested applications of quantum computing is solving classically intractable chemistry problems…”
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20
Digital quantum simulation of molecular vibrations
Published 23-01-2020“…Chem. Sci., 2019, 10, 5725 Molecular vibrations underpin important phenomena such as spectral properties, energy transfer, and molecular bonding. However,…”
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