Nanoscience and technology articles within Nature Physics

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  • Article |

    The authors investigate out-of-equilibrium crystallization of a binary mixture of sphere-like nanoparticles in small droplets. They observe the spontaneous formation of an icosahedral structure with stable MgCu2 phases, which are promising for photonic applications.

    • Da Wang
    • , Tonnishtha Dasgupta
    •  & Alfons van Blaaderen

  • Article |

    High-quality WSe2–MoSe2 heterostructures support strong coupling between the two layers, which is associated with tight hybridization and effective charge separation. In these structures, the bands of the interlayer excitons can be pressure-engineered.

    • Juan Xia
    • , Jiaxu Yan
    •  & Zexiang Shen

  • Article |

    Analogous to the radiation-pressure coupling known in optomechanics, photon-pressure interaction between superconducting circuits can reach the strong coupling regime, which allows flexible control of the electromagnetic resonator’s quantum state.

    • D. Bothner
    • , I. C. Rodrigues
    •  & G. A. Steele

  • Perspective |

    Hybrid devices of superconductors and semiconductor nanowires may be topological and host majorana. This Perspective summarizes the current situation of the field, and highlights the developments in materials science required to make progress.

    • S. M. Frolov
    • , M. J. Manfra
    •  & J. D. Sau

  • Letter |

    A memory device is proposed that uses a dynamical modification of the stacking order of few-layer WTe2 to encode information. The change in stacking modifies both the Berry curvature and the Hall transport, allowing two states to be distinguished.

    • Jun Xiao
    • , Ying Wang
    •  & Aaron M. Lindenberg

  • Article |

    When interfacing a graphene layer with a thin solid emitter, the quantum plasmonic vacuum allows each solid electron to access all unoccupied valence states through the nonlocality of their light-matter interaction, creating ultra-strong coupling alongside mass and bandgap renormalization.

    • Yaniv Kurman
    •  & Ido Kaminer

  • Books & Arts |

    • Christine-Maria Horejs

  • Letter |

    Light-induced deformations in a film of superfluid helium covering an optical microresonator can greatly enhance Brillouin interactions, enabling strong coupling between counter-propagating modes as well as Brillouin lasing.

    • Xin He
    • , Glen I. Harris
    •  & Warwick P. Bowen

  • News & Views |

    Electrons driven through a suspended carbon nanotube by a constant bias excite mechanical vibrations — including self-sustaining oscillations — and, in some cases, even suppress them down to only a few quanta.

    • Martino Poggio
    •  & Nicola Rossi

  • News & Views |

    Qubits cannot exist without nonlinearity, but nonlinear elements in superconducting circuits lead to losses. A superconducting qubit has now been realized by nonlinearly coupling two microwave resonators, offering the promise of long coherence times.

    • Gerhard Kirchmair

  • Editorial |

    The demonstration of a quantum computational advantage is a milestone worth celebrating.

  • Article |

    Little is known about how edge states in topological materials interact with each other. Here, a quantum spin Hall insulator is used to show that when edge states are brought close together, additional gaps appear in the spectrum.

    • Jonas Strunz
    • , Jonas Wiedenmann
    •  & Laurens W. Molenkamp

  • News & Views |

    Physical forces have a profound influence on bacterial cell function and physiology. The new tools of nanophysics are bringing to light a tight connection between biomolecular mechanisms and mechanical forces in bacterial cell division.

    • Albertus Viljoen
    •  & Yves F. Dufrêne

  • News & Views |

    Non-Hermitian systems with gain and loss give rise to exceptional points with exceptional properties. An experiment with superconducting qubits now offers a first step towards studying these singularities in the quantum domain.

    • Stefan Rotter

  • Letter |

    The back-action of electrons can cool a nanomechanical oscillator to a few-quantum state when a current flows through a suspended nanotube. The electron back-action, which is attributed to an electrothermal effect, also induces self-oscillations.

    • C. Urgell
    • , W. Yang
    •  & A. Bachtold

  • Article |

    Scanning tunnelling microscopy shows that electrons in twisted bilayer graphene are strongly correlated for a wide range of density. In particular, a correlated regime appears near charge neutrality and theory suggests nematic ordering.

    • Youngjoon Choi
    • , Jeannette Kemmer
    •  & Stevan Nadj-Perge

  • Measure for Measure |

    Superconducting quantum interference devices can accurately measure temperatures even below 1 mK, but there’s more to them — as Thomas Schurig explains.

    • Thomas Schurig

  • News & Views |

    Floquet engineering harnesses alternating fields to create a topological band structure in an otherwise ordinary material. These fields drive plasmons that can spontaneously split into chiral circulating modes and induce magnetization.

    • Luis E. F. Foa Torres

  • Letter |

    The authors demonstrate that individual atoms on a surface can be detected and distinguished from each other with subångström resolution using the electron spin resonance.

    • Philip Willke
    • , Kai Yang
    •  & Christopher P. Lutz

  • News & Views |

    A rich pattern of fractional quantum Hall states in graphene double layers can be naturally explained in terms of two-component composite fermions carrying both intra- and interlayer vortices.

    • Gábor A. Csáthy
    •  & Jainendra K. Jain

  • Letter |

    It is shown that composite fermions in the fractional quantum Hall regime form paired states in double-layer graphene. Pairing between layers gives a phase similar to an exciton condensate and pairing within a layer may lead to non-abelian states.

    • J. I. A. Li
    • , Q. Shi
    •  & C. R. Dean

  • News & Views |

    Experiments and simulations show that trains of droplets in microfluidic networks undergo synchronized oscillations, and that strategies to prevent these oscillations can help maintain uniform distribution of red blood cells in microcirculation.

    • Siva A. Vanapalli

  • Article |

    The same type of polymer network deforms cell membranes inward, to absorb external material, and outward, to facilitate signal transmission. Experiments and theory show that these deformations are regulated by membrane tension and network mesh size.

    • Camille Simon
    • , Rémy Kusters
    •  & Cécile Sykes

  • Letter |

    The measured change in the fundamental frequency of a superconducting resonator coupled to a tunnel junction reveals a broadband constant Lamb shift, which is typically inaccessible in atomic systems.

    • Matti Silveri
    • , Shumpei Masuda
    •  & Mikko Möttönen

  • News & Views |

    Through stochastic resonance, noise-driven fluctuations make an otherwise weak periodic signal accessible. Experiments have now reported quantum stochastic resonance, which arises from intrinsic quantum fluctuations rather than external noise.

    • Stefan Ludwig

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