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2021 Fiscal Year Annual Research Report

Matter-Light Interferometry and Quantum Phase Transitions

Research Project

Project/Area Number 19F19792
Research InstitutionOkinawa Institute of Science and Technology Graduate University

Principal Investigator

BUSCH Thomas  沖縄科学技術大学院大学, 量子システム研究ユニット, 教授 (30715272)

Co-Investigator(Kenkyū-buntansha) GIETKA KAROL  沖縄科学技術大学院大学, 量子システム研究ユニット, 外国人特別研究員
Project Period (FY) 2019-11-08 – 2022-03-31
Keywordsquantum metrology / quantum simulation
Outline of Annual Research Achievements

The research focused on using quantum simulation techniques to emulate processes interesting from the viewpoint of metrology. In particular, the research led to a better understanding of critical quantum metrology and a new way of exploiting systems exhibiting quantum phase transitions in quantum metrology.

Research Progress Status

令和3年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和3年度が最終年度であるため、記入しない。

  • Research Products

    (10 results)

All 2022 2021

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 6 results) Presentation (4 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Understanding and Improving Critical Metrology. Quenching Superradiant Light-Matter Systems Beyond the Critical Point2022

    • Author(s)
      Gietka Karol、Ruks Lewis、Busch Thomas
    • Journal Title

      Quantum

      Volume: 6 Pages: 700~700

    • DOI

      10.22331/q-2022-04-27-700

    • Peer Reviewed / Open Access
  • [Journal Article] Squeezing by critical speeding up: Applications in quantum metrology2022

    • Author(s)
      Karol Gietka
    • Journal Title

      Physical Review A

      Volume: 105 Pages: 042620~042620

    • Peer Reviewed / Open Access
  • [Journal Article] Cavity-enhanced magnetometer with a spinor Bose?Einstein condensate2021

    • Author(s)
      Gietka Karol、Mivehvar Farokh、Busch Thomas
    • Journal Title

      New Journal of Physics

      Volume: 23 Pages: 043020~043020

    • DOI

      10.1088/1367-2630/abedff

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Simulating the Same Physics with Two Distinct Hamiltonians2021

    • Author(s)
      Gietka Karol、Usui Ayaka、Deng Jianqiao、Busch Thomas
    • Journal Title

      Physical Review Letters

      Volume: 126 Pages: 160402~160402

    • DOI

      10.1103/PhysRevLett.126.160402

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Adiabatic critical quantum metrology cannot reach the Heisenberg limit even when shortcuts to adiabaticity are applied2021

    • Author(s)
      Gietka Karol、Metz Friederike、Keller Tim、Li Jing
    • Journal Title

      Quantum

      Volume: 5 Pages: 489~489

    • DOI

      10.22331/q-2021-07-01-489

    • Peer Reviewed / Open Access
  • [Journal Article] Inverted harmonic oscillator dynamics of the nonequilibrium phase transition in the Dicke model2021

    • Author(s)
      Gietka Karol、Busch Thomas
    • Journal Title

      Physical Review E

      Volume: 104 Pages: 034132~034132

    • DOI

      10.1103/PhysRevE.104.034132

    • Peer Reviewed / Open Access
  • [Presentation] Harnessing ultracold center-of-mass excitations in quantum metrology2022

    • Author(s)
      Karol Gietka
    • Organizer
      Ultracold Atoms Japan 2022
    • Int'l Joint Research
  • [Presentation] Critical Quantum Metrology Across the Superradiant Phase Transition2021

    • Author(s)
      Karol Gietka
    • Organizer
      40+1 anniversary of Center for Theoretical Physics PAN
    • Int'l Joint Research
  • [Presentation] Critical Quantum Metrology Across the Superradiant Phase Transition2021

    • Author(s)
      Karol Gietka
    • Organizer
      Quantum Optics X
    • Int'l Joint Research
  • [Presentation] Critical Quantum Metrology Across the Superradiant Phase Transition2021

    • Author(s)
      Karol Gietka
    • Organizer
      Quantum Optics and Information Meeting 6
    • Int'l Joint Research

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Published: 2022-12-28  

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