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Critical prethermal...
Critical prethermal discrete time crystal created by two-frequency driving
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- Beatrez, William (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Fleckenstein, Christoph (författare)
- KTH,Kondenserade materiens teori
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- Pillai, Arjun (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- de Leon Sanchez, Erica (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Akkiraju, Amala (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Diaz Alcala, Jesus (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Conti, Sophie (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Reshetikhin, Paul (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Druga, Emanuel (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA
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- Bukov, Marin (författare)
- Department of Physics, St Kliment Ohridski University of Sofia, Sofia, Bulgaria; Max Planck Institute for the Physics of Complex Systems, Dresden, Germany
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- Ajoy, Ashok (författare)
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
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(creator_code:org_t)
- 2023-01-12
- 2023
- Engelska.
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Ingår i: Nature Physics. - : Springer Nature. - 1745-2473 .- 1745-2481. ; 19:3, s. 407-413
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Discrete time crystals are non-equilibrium many-body phases of matter characterized by spontaneously broken discrete time-translation symmetry under periodic driving. At sufficiently high driving frequencies, the system enters the Floquet prethermalization regime, in which the periodically driven many-body state has a lifetime vastly exceeding the intrinsic decay time of the system. Here, we report the observation of long-lived prethermal discrete time-crystalline order in a three-dimensional (3D) lattice of 13C nuclei in diamond at room temperature. We demonstrate a two-frequency driving protocol, involving an interleaved application of slow and fast drives that simultaneously prethermalize the spins with an emergent quasi-conserved magnetization along the x̂ axis. This enables continuous and highly resolved observation of their dynamic evolution. We obtain videos of the time-crystalline response with a clarity and throughput orders of magnitude greater than previous experiments. Parametric control over the drive frequencies allows us to reach time-crystal lifetimes of up to 396 Floquet cycles, which we measure in a single-shot experiment. Such rapid measurement enables detailed characterization of the entire phase diagram, highlighting the role of prethermalization in stabilizing the time-crystal response. The two-frequency drive approach expands the toolkit for investigating non-equilibrium phases of matter stabilized by emergent quasi-conservation laws.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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Beatrez, William
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Fleckenstein, Ch ...
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Pillai, Arjun
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de Leon Sanchez, ...
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Akkiraju, Amala
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Diaz Alcala, Jes ...
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visa fler...
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Conti, Sophie
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Reshetikhin, Pau ...
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Druga, Emanuel
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Bukov, Marin
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Ajoy, Ashok
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