Hybrid infinite time-evolving block decimation algorithm for long-range multidimensional quantum many-body systems
In recent years, the infinite time-evolving block decimation (iTEBD) method has been demonstrated to be one of the most efficient and powerful numerical schemes for time evolution in one-dimensional quantum many-body systems. However, a major shortcoming of the method, along with other state-of-the-...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 July 2020
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| In: |
Physical review
Year: 2020, Jahrgang: 102, Heft: 3 |
| ISSN: | 2469-9969 |
| DOI: | 10.1103/PhysRevB.102.035115 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevB.102.035115 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.102.035115 
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| Verfasserangaben: | Tomohiro Hashizume, Jad C. Halimeh, and Ian P. McCulloch |
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| 245 | 1 | 0 | |a Hybrid infinite time-evolving block decimation algorithm for long-range multidimensional quantum many-body systems |c Tomohiro Hashizume, Jad C. Halimeh, and Ian P. McCulloch |
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| 520 | |a In recent years, the infinite time-evolving block decimation (iTEBD) method has been demonstrated to be one of the most efficient and powerful numerical schemes for time evolution in one-dimensional quantum many-body systems. However, a major shortcoming of the method, along with other state-of-the-art algorithms for many-body dynamics, has been their restriction to one spatial dimension. We present an algorithm based on a hybrid extension of iTEBD where finite blocks of a chain are first locally time evolved before an iTEBD-like method combines these processes globally. This in turn permits simulating the dynamics of many-body systems in spatial dimensions d≥1 where the thermodynamic limit is achieved along one spatial dimension and where long-range interactions can also be included. Our work paves the way for simulating the dynamics of many-body phenomena that occur exclusively in higher dimensions and whose numerical treatments have hitherto been limited to exact diagonalization of small systems, which fundamentally limits a proper investigation of dynamical criticality. We expect the algorithm presented here to be of significant importance to validating and guiding investigations in state-of-the-art ion-trap and ultracold-atom experiments. | ||
| 700 | 1 | |a Halimeh, Jad C. |e VerfasserIn |0 (DE-588)1215514727 |0 (DE-627)1726697878 |4 aut | |
| 700 | 1 | |a McCulloch, Ian P. |e VerfasserIn |0 (DE-588)1215515294 |0 (DE-627)1726699986 |4 aut | |
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