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Svyatoslav Stepanov
Svyatoslav Stepanov


  • Diagnosis Index entries containing back-references to H31.09: Scar, scarring L90.5 - see also CicatrixICD-10-CM Diagnosis Code L90.5Scar conditions and fibrosis of skin2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Applicable ToAdherent scar (skin)

  • Cicatrix

  • Disfigurement of skin due to scar

  • Fibrosis of skin NOS

  • Scar NOS

  • Type 2 Excludeshypertrophic scar (L91.0)

  • keloid scar (L91.0)

chorioretinal H31.00-ICD-10-CM Diagnosis Code H31.00-Unspecified chorioretinal scars2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code specified type NEC H31.09-



Although entanglement is a key resource for quantum-enhanced metrology, not all entanglement is useful. For example, in the process of many-body thermalization, bipartite entanglement grows rapidly, naturally saturating to a volume law. This type of entanglement generation is ubiquitous in nature but has no known application in most quantum technologies. The generation, stabilization, and exploitation of genuine multipartite entanglement, on the other hand, is far more elusive yet highly desirable for metrological applications. Recently, it has been shown that quantum many-body scars can have extensive multipartite entanglement. However, the accessibility of this structure for real application has been so far unclear. In this work, we show how systems containing quantum many-body scars can be used to dynamically generate stable multipartite entanglement and describe how to exploit this structure for phase estimation with a precision that beats the standard quantum limit. Key to this is a physically motivated modification of a Hamiltonian that generates a variety of multipartite entangled states through the dynamics in the scar subspace.

Although the outbreak of fires in early February 2023 has subsided, the burned area remained visible from space.Wildland fires raged across central and southern Chile in early February 2023. The blazes killed dozens, injured thousands, and left many people homeless. The smoke that previously poured over the Pacific Ocean has since lessened, but the scars on the landscape remain.

The image above, acquired on the morning of February 2, 2023, shows a lush green landscape with only a few distinct burn scars, including one along the Biobío River from a fire in December 2022. By the afternoon of February 2, smoke streamed from fires that had started burning in the region. By February 14, 2023 (top), numerous additional fires had scarred the landscape. Most of the burn scars pictured here were in the Biobío and Ñuble regions. 041b061a72


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  • Michael Louis  Austin
  • Мария Кузина
    Мария Кузина
  • Wesley Moore
    Wesley Moore
  • Jane Fisher
    Jane Fisher
  • David Cook
    David Cook
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