Holography of K-complexity: Switchbacks and Shockwaves Article Swipe
Eliezer Rabinovici
,
Julian Sonner
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2510.17975
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2510.17975
In this paper we study Krylov complexity in the presence of single and multiple operators in the DSSYK model, where we can use the analytical techniques coming from chord diagrammatics. One of the results we obtain is that it showcases the switchback effect, when the appropriate ``triple-scaling limit'' is taken, under which the model becomes dual to semiclassical JT gravity. We build on previous work, where it was shown that, in the continuum limit, Krylov complexity is defined as the sum of expectations value of right and left chord number operators. Here we argue that this property signals the emergence of the geometric nature of this notion of K-complexity. We show that in the regime where DSSYK is dual to semi-classical gravity, the light matter chord corresponds to a shockwave insertion in JT gravity. We identify the geodesic-length dual of the operator complexity and extend the relevant holographic dictionary to describe the details of the matter insertions. Additionally, we define a class of two-sided perturbations of the Lanczos algorithm that allows to analyze the switchback effect. In the appropriate semi-classical limit, this perturbed operator complexity is dual to an ERB length in JT gravity with corresponding shockwave insertions. We thus establish that K-complexity exhibits the expected switchback effect and universal late-time linear growth, consistent with previous findings regarding its geometric nature in the holographic bulk-boundary map.
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- Type
- preprint
- Landing Page
- http://arxiv.org/abs/2510.17975
- https://arxiv.org/pdf/2510.17975
- OA Status
- green
- OpenAlex ID
- https://openalex.org/W4416209109
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https://doi.org/10.48550/arxiv.2510.17975Digital Object Identifier
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Holography of K-complexity: Switchbacks and ShockwavesWork title
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preprintOpenAlex work type
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2025Year of publication
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2025-10-20Full publication date if available
- Authors
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Eliezer Rabinovici, Julian SonnerList of authors in order
- Landing page
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https://arxiv.org/abs/2510.17975Publisher landing page
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https://arxiv.org/pdf/2510.17975Direct link to full text PDF
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2510.17975Direct OA link when available
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0Total citation count in OpenAlex
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