Out-of-time-order correlation in the quantum Ising Floquet spin system and magnonic crystals
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913832728788992 |
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| author | Shukla, Rohit Kumar |
| author_facet | Shukla, Rohit Kumar |
| contents | In recent times out-of-time-order correlators (OTOC) have been established as a tool to understand butterfly effects, quantum information scrambling, and many-body localization. They can also be useful in determining different phases of quantum critical systems. OTOCs can identify the quantum chaos within a system undergoing time evolution; and therefore, they can distinguish between chaotic and regular dynamics. This motivates us to study OTOCs in integrable and nonintegrable periodically kicked quantum spin models. A periodically kicked quantum Ising spin system, known as the quantum Ising Floquet system, is a variant of the transverse Ising model. In place of constant transverse magnetic fields in the transverse Ising system, time-periodic fields are applied in the form of delta pulses in the quantum Ising Floquet spin system. It provides very interesting and peculiar dynamics separate from that of the transverse Ising system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_07550 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Out-of-time-order correlation in the quantum Ising Floquet spin system and magnonic crystals Shukla, Rohit Kumar Quantum Physics In recent times out-of-time-order correlators (OTOC) have been established as a tool to understand butterfly effects, quantum information scrambling, and many-body localization. They can also be useful in determining different phases of quantum critical systems. OTOCs can identify the quantum chaos within a system undergoing time evolution; and therefore, they can distinguish between chaotic and regular dynamics. This motivates us to study OTOCs in integrable and nonintegrable periodically kicked quantum spin models. A periodically kicked quantum Ising spin system, known as the quantum Ising Floquet system, is a variant of the transverse Ising model. In place of constant transverse magnetic fields in the transverse Ising system, time-periodic fields are applied in the form of delta pulses in the quantum Ising Floquet spin system. It provides very interesting and peculiar dynamics separate from that of the transverse Ising system. |
| title | Out-of-time-order correlation in the quantum Ising Floquet spin system and magnonic crystals |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2505.07550 |