Electron acceleration via two-plasmon decay in a shaped liquid drop

Shaped liquid drops generate MeV temperature electron beams with millijoule class laser

  • Angana Mondal
  • Ratul Sabui
  • M. Krishnamurthy
Article

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  • Coherent perfect absorption allows to entirely dissipate the energy impinging on both single and multimode systems, but it typically does not allow for a control of the phase quadratures. Here, the authors implement coherent interferometric control of the phase quadratures in two strongly-coupled electromechanical nanoresonators.

    • Franck Correia
    • Gladys Jara-Schulz
    • Remy Braive
    ArticleOpen Access
  • Controlling microrobot movement in blood vessels is vital for medical treatments but is challenging due to red blood cells. This study combines simulations, experiments, and machine learning to demonstrate how hematocrit levels and robot geometry affect its locomotion characteristics in blood

    • Chenjun Wu
    • Toshihiro Omori
    • Takuji Ishikawa
    ArticleOpen Access
  • A quantum dot-superconductor array can form a Kitaev chain which hosts Majorana zero modes at a sweet spot. The authors examine how to enhance the excitation gap of the Majorana zero modes, which is crucial for implementing topological quantum computing with enhanced protection.

    • Chun-Xiao Liu
    • A. Mert Bozkurt
    • Michael Wimmer
    ArticleOpen Access
  • Frustration in magnetic systems may lead to exotic quantum phases such as spin liquid and spin ice state. Here the authors demonstrate that compressive epitaxial strain in La2NiO4 films deposited on different substrates can tune antiferromagnetic exchange interactions and increase the degree of frustration through the increased level of incompatibility between exchange interactions.

    • Izabela Biało
    • Leonardo Martinelli
    • Johan Chang
    ArticleOpen Access
  • Directly measuring entropy production from experimental data without prior knowledge of the underlying model is highly desirable, as it quantifies time-irreversibility in non-equilibrium systems and can be used to optimize system performance. In this work, the authors have developed a general methodology to infer entropy production for arbitrary time-dependent systems from its first few moments. The method gives quite accurate estimates both for theoretical examples as well as for experimental data on bit erasure.

    • Prashant Singh
    • Karel Proesmans
    ArticleOpen Access
  • Understanding complex systems requires causal analysis via observational time series, yet there is still a lack of direct ways aligned with the intuitive definition of causality. Here, the authors use reservoir computing to replicate the underlying system and apply interventions to it, enabling controlled trials and accurate causal discovery.

    • Jintong Zhao
    • Zhongxue Gan
    • Siyang Leng
    ArticleOpen Access
  • Qubit development demands two conflicting requirements: good isolation from the environment and yet a strong coupling with control drive lines. This work addresses this issue, by implementing an on-chip filter that decouples a superconducting qubit from resonant modes of the environments, while achieving strong coupling with low-frequency modes.

    • Aashish Sah
    • Suman Kundu
    • Mikko Möttönen
    ArticleOpen Access
  • An outstanding question for gauge-theory quantum simulators is to find viable schemes that allow one to move from the initial prototypes towards the large-scale regime. In this work, the authors present a detailed toolbox for the quantum simulator of Z2 lattice gauge theories coupled to dynamical matter using trapped-ion systems that can overcome these limitations.

    • Oana Bǎzǎvan
    • Sebastian Saner
    • Alejandro Bermudez
    ArticleOpen Access
  • Weak signal detection, as in the case for the search of Dark Matter, relies on the resonant effect, when many frequencies are scanner in search of the signal, but this is very time consuming. The authors present a magnetometry method that combines high sensitivity and a wider parameter space coverage adopting an artificially enlarged resonance width, increasing the scanning efficiency.

    • Zitong Xu
    • Xiaolin Ma
    • Dmitry Budker
    ArticleOpen Access

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