Quantum thermalization and Floquet engineering in a spin ensemble with a clock transition
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917738541219840 |
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| author | Lei, Mi Fukumori, Rikuto Wu, Chun-Ju Barnes, Edwin Economou, Sophia Choi, Joonhee Faraon, Andrei |
| author_facet | Lei, Mi Fukumori, Rikuto Wu, Chun-Ju Barnes, Edwin Economou, Sophia Choi, Joonhee Faraon, Andrei |
| contents | Studying and controlling quantum many-body interactions is fundamentally important for quantum science and related emerging technologies. Optically addressable solid-state spins offer a promising platform for exploring various quantum many-body phenomena due to their scalability to a large Hilbert space. However, it is often challenging to probe many-body dynamics in solid-state spin systems due to large on-site disorder and undesired coupling to the environment. Here, we investigate an optically addressable solid-state spin system comprising a strongly interacting ensemble of millions of ytterbium-171 ions in a crystal. Notably, this platform features a clock transition that gives rise to pure long-range spin-exchange interactions, termed the dipolar XY model. Leveraging this unique feature, we investigate quantum thermalization by varying the relative ratio of interaction strength to disorder, dynamically engineering the XY model into other many-body Hamiltonian models, and realizing a time-crystalline phase of matter through periodic driving. Our findings indicate that an ensemble of rare-earth ions serves as a versatile testbed for many-body physics and offers valuable insights for advancing quantum technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_00252 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum thermalization and Floquet engineering in a spin ensemble with a clock transition Lei, Mi Fukumori, Rikuto Wu, Chun-Ju Barnes, Edwin Economou, Sophia Choi, Joonhee Faraon, Andrei Quantum Physics Studying and controlling quantum many-body interactions is fundamentally important for quantum science and related emerging technologies. Optically addressable solid-state spins offer a promising platform for exploring various quantum many-body phenomena due to their scalability to a large Hilbert space. However, it is often challenging to probe many-body dynamics in solid-state spin systems due to large on-site disorder and undesired coupling to the environment. Here, we investigate an optically addressable solid-state spin system comprising a strongly interacting ensemble of millions of ytterbium-171 ions in a crystal. Notably, this platform features a clock transition that gives rise to pure long-range spin-exchange interactions, termed the dipolar XY model. Leveraging this unique feature, we investigate quantum thermalization by varying the relative ratio of interaction strength to disorder, dynamically engineering the XY model into other many-body Hamiltonian models, and realizing a time-crystalline phase of matter through periodic driving. Our findings indicate that an ensemble of rare-earth ions serves as a versatile testbed for many-body physics and offers valuable insights for advancing quantum technologies. |
| title | Quantum thermalization and Floquet engineering in a spin ensemble with a clock transition |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2408.00252 |