A computationally efficient hybrid approach based on artificial neural networks and the wavelet transform for quantum simulations of graphene nanoribbon FETs
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Computational Electronics"
DOI: 10.1007/s10825-019-01350-2
Abstract: Numerical modeling of graphene nanoribbon field-effect transistors (GNRFETs) using quantum-mechanical approaches is often associated with a heavy computational burden, indicating the urgent need for new methods to resolve this issue. A computationally efficient hybrid approach… read more here.
Keywords: computationally efficient; graphene nanoribbon; quantum simulations; approach ... See more keywords
Scaling up quantum simulations
Sign Up to like & getrecommendations! Published in 2019 at "Nature"
DOI: 10.1038/d41586-019-01483-1
Abstract: It is difficult to carry out and verify digital quantum simulations that use many quantum bits. A hybrid device based on a digital classical computer and an analog quantum processor suggests a way forward.A programmable… read more here.
Keywords: quantum; scaling quantum; quantum simulations;
Towards accurate quantum simulations of large systems with small computers
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep41263
Abstract: Numerical simulations are important for many systems. In particular, various standard computer programs have been developed for solving the quantum Schrödinger equations. However, the accuracy of these calculations is limited by computer capabilities. In this… read more here.
Keywords: quantum; large systems; accurate quantum; towards accurate ... See more keywords
Can we use on-the-fly quantum simulations to connect molecular structure and sunscreen action?
Sign Up to like & getrecommendations! Published in 2019 at "Faraday discussions"
DOI: 10.1039/c8fd00228b
Abstract: The ground-up design of new molecular sunscreens, with improved photostability, absorbance and spectral coverage, stands as a challenge to fundamental chemical science. Correlating sunscreen molecular structure and function requires detailed insight into the relaxation pathways… read more here.
Keywords: fly quantum; molecular structure; use fly; quantum simulations ... See more keywords
Systematically localizable operators for quantum simulations of quantum field theories
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.012619
Abstract: Correlations and measures of entanglement in ground state wavefunctions of relativistic quantum field theories are spatially localized over length scales set by the mass of the lightest particle. We utilize this localization to design digital… read more here.
Keywords: field theories; physics; quantum simulations; quantum field ... See more keywords
Improved Hamiltonians for Quantum Simulations of Gauge Theories.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.051601
Abstract: Quantum simulations of lattice gauge theories for the foreseeable future will be hampered by limited resources. The historical success of improved lattice actions in classical simulations strongly suggests that Hamiltonians with improved discretization errors will… read more here.
Keywords: hamiltonians quantum; improved hamiltonians; simulations gauge; quantum simulations ... See more keywords
Increasing the Representation Accuracy of Quantum Simulations of Chemistry without Extra Quantum Resources
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review X"
DOI: 10.1103/physrevx.10.011004
Abstract: Proposals for near-term experiments in quantum chemistry on quantum computers leverage the ability to target a subset of degrees of freedom containing the essential quantum behavior, sometimes called the active space. This approximation allows one… read more here.
Keywords: increasing representation; accuracy; quantum simulations; chemistry ... See more keywords