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Showing 1–7 of 7 results
Advanced filters: Author: Vibhor Singh Clear advanced filters

  • Mechanical resonators lose energy over time due to both dissipative and dephasing processes. Schneider et al. now use a fast time-domain technique to separate the influence of these two types of mechanism, and demonstrate that at high driving power, dephasing becomes the dominant factor.

    • Ben H. Schneider
    • Vibhor Singh
    • Gary A. Steele
    Research
    Nature Communications
    Volume: 5, P: 1-5

  • Optomechanics is the use of light to control the motion of a mechanical resonator, potentially cooling it to the quantum ground state. Here, the authors cool a millimetre-scale silicon nitride membrane to an effective temperature of 34 microkelvin by coupling it to a three-dimensional microwave cavity.

    • Mingyun Yuan
    • Vibhor Singh
    • Gary A. Steele
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • In electromechanical devices, nonlinear radiation-pressure interaction can lead to significant changes in the dynamics from just few photons. Here, by enhancing the light-matter coupling in a cavity electromechanical device, the author show the onset of mechanical instabilities with less than a single photon in the cavity.

    • Tanmoy Bera
    • Mridul Kandpal
    • Vibhor Singh
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • The ground state of charge-neutral bilayer graphene in a strong magnetic field is not fully determined. Now thermal transport measurements show an absence of heat flow through that state, suggesting that its collective excitations could be gapped.

    • Ravi Kumar
    • Saurabh Kumar Srivastav
    • Anindya Das
    ResearchOpen Access
    Nature Physics
    Volume: 20, P: 1941-1947

  • Mechanical resonators coupled to superconducting qubits are interesting platforms for quantum science and technology, but controlling them in quantum regime remains a challenge. The authors realize a hybrid device consisting of a superconducting transmon qubit and a mechanical resonator coupled using the magnetic-flux with the overall ability to increase the coupling strength and hence their control.

    • Tanmoy Bera
    • Sourav Majumder
    • Vibhor Singh
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-7