Hybrid quantum-classical method for simulating high-temperature dynamics of nuclear spins in solids
First-principles calculations of high-temperature spin dynamics in solids in the context of nuclear magnetic resonance (NMR) are a long-standing problem, whose conclusive solution can significantly advance the applications of NMR as a diagnostic tool for material properties. In this work, we propose...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
12 December 2018
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| In: |
Physical review
Year: 2018, Jahrgang: 98, Heft: 21 |
| ISSN: | 2469-9969 |
| DOI: | 10.1103/PhysRevB.98.214421 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevB.98.214421 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.98.214421 
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| Verfasserangaben: | Grigory A. Starkov and Boris V. Fine |
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| 520 | |a First-principles calculations of high-temperature spin dynamics in solids in the context of nuclear magnetic resonance (NMR) are a long-standing problem, whose conclusive solution can significantly advance the applications of NMR as a diagnostic tool for material properties. In this work, we propose a hybrid quantum-classical method for computing NMR free induction decay(FID) for spin-1/2 lattices. The method is based on the simulations of a finite cluster of spins 1/2 coupled to an environment of interacting classical spins via a correlation-preserving scheme. Such simulations are shown to lead to accurate FID predictions for one-, two-, and three-dimensional lattices with a broad variety of interactions. The accuracy of these predictions can be efficiently estimated by varying the size of quantum clusters used in the simulations. | ||
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