Physics

  • Article |

    Using scanning tunnelling microscopy and spectroscopy, fractional edge excitations are observed in nanographene spin chains, enabling the potential to study strongly correlated phases in purely organic materials.

    • Shantanu Mishra
    • , Gonçalo Catarina
    •  & Roman Fasel
  • Article
    | Open Access

    The physics of oriented topological graphs produces anomalous non-reciprocal topological edge states that have greater robustness to disorder and defects than the best performers at present: namely, Chern states.

    • Zhe Zhang
    • , Pierre Delplace
    •  & Romain Fleury
  • Article |

    Experiments using two coupled optical ring resonators and based on the concept of synthetic dimension reveal non-Hermitian energy band structures exhibiting topologically non-trivial knots and links.

    • Kai Wang
    • , Avik Dutt
    •  & Shanhui Fan
  • Article |

    Fault-tolerant circuits for the control of a logical qubit encoded in 13 trapped ion qubits through a Bacon–Shor quantum error correction code are demonstrated.

    • Laird Egan
    • , Dripto M. Debroy
    •  & Christopher Monroe
  • Article |

    So far, only indirect evidence of Wigner crystals has been reported, but a specially designed scanning tunnelling microscope is used here to directly image them in a moiré heterostructure.

    • Hongyuan Li
    • , Shaowei Li
    •  & Feng Wang
  • Article |

    An acoustic topological gallery insulator constructed from sonic crystals made of thermoplastic rods decorated with carbon nanotube films enables the out-coupling of amplified and focused sound at audible frequencies.

    • Bolun Hu
    • , Zhiwang Zhang
    •  & Johan Christensen
  • Article |

    Nonlinearity induced by a single photon is desirable because it can drive power consumption of optical devices to their fundamental quantum limit, and is demonstrated here at room temperature.

    • Anton V. Zasedatelev
    • , Anton V. Baranikov
    •  & Pavlos G. Lagoudakis
  • Article |

    In a tiny chip-based particle accelerator, phase-space control of the emerging electron beam demonstrates guiding over a length of nearly 80 micrometres and an indispensable prerequisite to electron acceleration to high energies.

    • R. Shiloh
    • , J. Illmer
    •  & P. Hommelhoff
  • Article |

    Laser-free universal control of two trapped-ion qubits using a combination of radiofrequency and microwave magnetic fields achieves some of the highest fidelities ever reported for two-qubit maximally entangled states.

    • R. Srinivas
    • , S. C. Burd
    •  & D. H. Slichter
  • Article |

    Gold nanoflake pairs form by self-assembly in an aqueous ligand solution and offer stable and tunable microcavities by virtue of equilibrium between attractive Casimir forces and repulsive electrostatic forces.

    • Battulga Munkhbat
    • , Adriana Canales
    •  & Timur O. Shegai
  • Article |

    A study shows that rhombohedral graphene is an ideal platform for well-controlled tests of many-body theory and reveals that magnetism in moiré materials is fundamentally itinerant in nature.

    • Haoxin Zhou
    • , Tian Xie
    •  & Andrea F. Young
  • Article |

    Superconductivity is observed in rhombohedral trilayer graphene in the absence of a moiré superlattice, with two distinct superconducting states both occurring at a symmetry-breaking transition where the Fermi surface degeneracy changes.

    • Haoxin Zhou
    • , Tian Xie
    •  & Andrea F. Young
  • Article |

    Multiple redox transitions in a molecular memristor can be harnessed as ‘decision trees’ to undertake complex and reconfigurable logic operations in a single time step.

    • Sreetosh Goswami
    • , Rajib Pramanick
    •  & R. Stanley Williams
  • Article
    | Open Access

    A single electromagnetically trapped proton is sympathetically cooled to below ambient temperature by coupling it through a superconducting LC circuit to a laser-cooled cloud of Be+ ions stored in a spatially separated trap.

    • M. Bohman
    • , V. Grunhofer
    •  & S. Ulmer
  • Article |

    Directly coupling cavity photons to the photo-association resonances of pairs of atoms in a strongly interacting Fermi gas generates pair polaritons—hybrid excitaions coherently mixing photons, atom pairs and molecules.

    • Hideki Konishi
    • , Kevin Roux
    •  & Jean-Philippe Brantut
  • Article |

    Liquid ultrafast electron scattering measures structural responses in liquid water with femtosecond temporal and atomic spatial resolution to reveal a transient hydrogen bond contraction then thermalization preceding relaxation of the OH stretch.

    • Jie Yang
    • , Riccardo Dettori
    •  & Xijie Wang
  • Article |

    Model patchy colloids with directional bonding are designed that assemble into icosahedral quasicrystals through the propagation of an icosahedral network of bonds and may be realized using DNA origami particles.

    • Eva G. Noya
    • , Chak Kui Wong
    •  & Jonathan P. K. Doye
  • Article
    | Open Access

    A globally chiral atomic superfluid is induced by time-reversal symmetry breaking in an optical lattice and exhibits global angular momentum, which is expected to lead to topological excitations and the demonstration of a topological superfluid.

    • Xiao-Qiong Wang
    • , Guang-Quan Luo
    •  & Zhi-Fang Xu
  • Article |

    Optical imaging of single-molecule electrochemical reactions in aqueous solution enables super-resolution electrochemiluminescence microscopy, which can be used to monitor the adhesion dynamics of live cells with high spatiotemporal resolution.

    • Jinrun Dong
    • , Yuxian Lu
    •  & Jiandong Feng
  • Article |

    Nonlinearity is shown to induce quantized topological transport via soliton motion; specifically, we demonstrate nonlinear Thouless pumping of photons in waveguide arrays with a non-uniformly occupied energy band.

    • Marius Jürgensen
    • , Sebabrata Mukherjee
    •  & Mikael C. Rechtsman
  • Article |

    A macroscopic analogue of a spin system is shown to emerge in an ensemble of droplets bouncing on the surface of a vibrating bath, revealing symmetry-breaking phenomena such as ‘magnetic’ ordering.

    • Pedro J. Sáenz
    • , Giuseppe Pucci
    •  & John W. M. Bush
  • Article |

    Spectroscopic measurements confirm that when water is adsorbed on drops of an alkali alloy at low pressure a gold-coloured metallic layer forms as electrons rapidly move from the drop into the water.

    • Philip E. Mason
    • , H. Christian Schewe
    •  & Pavel Jungwirth
  • Article |

    Flexible electronic platforms would enable the integration of functional electronic circuitry with many everyday objects; here, a low-cost and fully flexible 32-bit microprocessor is produced.

    • John Biggs
    • , James Myers
    •  & Scott White
  • Article |

    A large violation of the Pauli limit and re-entrant superconductivity in a magnetic field is reported for magic-angle twisted trilayer graphene, suggesting that the spin configuration of the superconducting state of this material is unlikely to consist of spin singlets.

    • Yuan Cao
    • , Jeong Min Park
    •  & Pablo Jarillo-Herrero
  • Article |

    High-performance hydrodynamic simulations show that the skeletal structure of the deep-sea sponge Euplectella aspergillum reduces the hydrodynamic stresses on it, while possibly being beneficial for feeding and reproduction.

    • Giacomo Falcucci
    • , Giorgio Amati
    •  & Sauro Succi
  • Article |

    A programmable quantum simulator with 256 qubits is created using neutral atoms in two-dimensional optical tweezer arrays, demonstrating a quantum phase transition and revealing new quantum phases of matter.

    • Sepehr Ebadi
    • , Tout T. Wang
    •  & Mikhail D. Lukin
  • Article |

    Operating in space, NASA’s Deep Space Atomic Clock, a trapped-ion clock, is shown to have long-term stability and drift that are an order of magnitude better than current space clocks.

    • E. A. Burt
    • , J. D. Prestage
    •  & T. A. Ely
  • Article |

    Cellular fluidics provides a platform of unit-cell-based, three-dimensional structures for the deterministic control of multiphase flow, transport and reaction processes.

    • Nikola A. Dudukovic
    • , Erika J. Fong
    •  & Eric B. Duoss
  • Article |

    Fizeau drag of plasmon polaritons by an electron flow in strongly biased monolayer graphene is directly observed by exploiting the high electron mobility and slow plasmon propagation of Dirac electrons.

    • Wenyu Zhao
    • , Sihan Zhao
    •  & Feng Wang
  • Article |

    Direct infrared nano-imaging of plasmonic waves in graphene carrying high current density reveals the Fizeau drag of plasmon polaritons by fast-moving quasi-relativistic electrons.

    • Y. Dong
    • , L. Xiong
    •  & D. N. Basov
  • Article |

    As a blueprint for high-precision quantum simulation, an 18-qubit algorithm that consists of more than 1,400 two-qubit gates is demonstrated, and reconstructs the energy eigenvalues of the simulated one-dimensional wire to a precision of 1 per cent.

    • C. Neill
    • , T. McCourt
    •  & V. Smelyanskiy