Physics

  • Article |

    Electrically controlled quantum confinement of excitons to below 10 nm is achieved in a 2D semiconductor by combining in-plane electric fields with interactions between excitons and free charges.

    • Deepankur Thureja
    • , Atac Imamoglu
    •  & Puneet A. Murthy
  • Article |

    By using 17 physical qubits in a superconducting circuit to encode quantum information in a surface-code logical qubit, fast (1.1 μs) and high-performance (logical error probability of 3%) quantum error-correction cycles are demonstrated.

    • Sebastian Krinner
    • , Nathan Lacroix
    •  & Andreas Wallraff
  • Article
    | Open Access

    A quantum network formed by three optically connected nodes comprising solid-state qubits demonstrates the teleportation of quantum information between two non-neighbouring nodes, negating the need for a direct connection between them.

    • S. L. N. Hermans
    • , M. Pompili
    •  & R. Hanson
  • Article |

    Using a compact, particle-beam-driven plasma-based accelerator to accelerate high-quality electron beams that are completely characterized in the six-dimensional phase space, free-electron lasing  is observed with narrow-band amplified radiation in the infrared range.

    • R. Pompili
    • , D. Alesini
    •  & M. Ferrario
  • Article |

    Bubbles of ultracold atoms have been created, observed and characterized at the NASA Cold Atom Lab onboard the International Space Station, made possible by the microgravity environment of the laboratory.

    • R. A. Carollo
    • , D. C. Aveline
    •  & N. Lundblad
  • Article
    | Open Access

    Pressures of up to 900 gigapascals (9 million atmospheres) are achieved in a laser-heated double-stage diamond cell, enabling the synthesis of Re7N3, and materials characterization is performed in situ using single-crystal X-ray diffraction.

    • Leonid Dubrovinsky
    • , Saiana Khandarkhaeva
    •  & Natalia Dubrovinskaia
  • Article |

    Light-field control of real and virtual charge carriers in a gold–graphene–gold heterostructure is demonstrated, and used to create a logic gate for application in lightwave electronics.

    • Tobias Boolakee
    • , Christian Heide
    •  & Peter Hommelhoff
  • Article |

    Three tunable quantum Hall broken-symmetry states in charge-neutral graphene are identified by visualizing their lattice-scale order with scanning tunnelling microscopy and spectroscopy.

    • Alexis Coissard
    • , David Wander
    •  & Benjamin Sacépé
  • Article |

    A Josephson diode is made by fabricating an inversion symmetry breaking van der Waals heterostructure of NbSe2/Nb3Br8/NbSe2, demonstrating that even without a magnetic field, the junction can be superconducting with a positive current but resistive with a negative current.

    • Heng Wu
    • , Yaojia Wang
    •  & Mazhar N. Ali
  • Article |

    A comparison of the energetics of jumping between biological and engineered systems shows that engineered systems can greatly increase energy limits using the process of work multiplication, and this analysis leads to the demonstration of a 30-centimetre device jumping over 30 metres.

    • Elliot W. Hawkes
    • , Charles Xiao
    •  & Günter Niemeyer
  • Article |

    A study combining spectroscopy and mathematical topology  reports the observation of linked node loops in a quantum magnet, with properties suggesting a Seifert bulk–boundary correspondence.

    • Ilya Belopolski
    • , Guoqing Chang
    •  & M. Zahid Hasan
  • Article |

    A programmable neutral-atom quantum computer based on a two-dimensional array of qubits led to the creation of 2–6-qubit Greenberger–Horne–Zeilinger states and showed the ability to execute quantum phase estimation and optimization algorithms.

    • T. M. Graham
    • , Y. Song
    •  & M. Saffman
  • Article |

    Piezoelectric coupling of a single superconducting qubit to two phononic crystal nanoresonators results in an integrated device that is able to control and read out the quantum state of the two mechanical resonators.

    • E. Alex Wollack
    • , Agnetta Y. Cleland
    •  & Amir H. Safavi-Naeini
  • Article
    | Open Access

    The CUORE experiment finds no evidence for neutrinoless double beta decay after operating a large cryogenic TeO2 calorimeter stably for several years in an extreme low-radiation environment at a temperature of 10 millikelvin.

    • D. Q. Adams
    • , C. Alduino
    •  & S. Zucchelli
  • Article
    | Open Access

    Using data gathered from the microphones of the Perseverance rover, the first characterization of the acoustic environment on Mars is presented, showing two distinct values for the speed of sound in CO2-dominated atmosphere.

    • S. Maurice
    • , B. Chide
    •  & P. Willis
  • Article |

    A catalogue of the naturally occurring three-dimensional stoichiometric materials with flat bands around the Fermi level provides a powerful search engine for future theoretical and experimental studies.

    • Nicolas Regnault
    • , Yuanfeng Xu
    •  & B. Andrei Bernevig
  • Article |

    A new approach to generating quantum sensors with close-to-optimal performance is demonstrated experimentally through Ramsey interferometry with (up to) N = 26 entangled atoms on a trapped-ion quantum computer, without a priori knowledge of the device or its noise environment.

    • Christian D. Marciniak
    • , Thomas Feldker
    •  & Thomas Monz
  • Article |

    A material design strategy and fabrication process is described to produce all-polymer light-emitting diodes with high brightness, current efficiency and good mechanical stability, with applications in skin electronics and human–machine interfaces.

    • Zhitao Zhang
    • , Weichen Wang
    •  & Zhenan Bao
  • Article |

    Using continuous microwave application without substantial heating, Floquet–Andreev states in graphene Josephson junctions are realized, and their energy spectra are measured directly by superconducting tunnelling spectroscopy.

    • Sein Park
    • , Wonjun Lee
    •  & Gil-Ho Lee
  • Article
    | Open Access

    A hybrid quantum-classical algorithm for solving many-electron problems is developed, enabling the simulation, with the aid of 16 qubits on a quantum processor, of chemical systems with up to 120 orbitals.

    • William J. Huggins
    • , Bryan A. O’Gorman
    •  & Joonho Lee
  • Article |

    A piezoelectric fibre woven into a machine-washable fabric converts tenuous sound pressure into electric signals and is used to listen to cardiac sound, determine the source direction of a sound, and record and play back audio.

    • Wei Yan
    • , Grace Noel
    •  & Yoel Fink
  • Article
    | Open Access

    The fabrication of copper thin films with ultraflat surfaces and only occasional mono-atomic steps, which show semi-permanent resistance to oxidation over long periods, is reported and the mechanism explained using first-principles calculations.

    • Su Jae Kim
    • , Yong In Kim
    •  & Se-Young Jeong
  • Article |

    A study reports europium molecular crystals with optically addressable spin states that exhibit ultra-narrow linewidths, demonstrating the use of rare-earth molecular crystals as a platform for photonic quantum technologies.

    • Diana Serrano
    • , Senthil Kumar Kuppusamy
    •  & Philippe Goldner
  • Article
    | Open Access

    Relaxation of a perturbed plasma back to its initial state over nanosecond timescales establishes that megahertz repetition rates are supported, and high luminosities and brilliances are in principle attainable with plasma-wakefield accelerator facilities.

    • R. D’Arcy
    • , J. Chappell
    •  & J. Osterhoff
  • Review Article |

    Recent theoretical and experimental progress in identifying and understanding magnetic topological materials is reviewed, highlighting the antiferromagnetic topological insulator MnBi2Te4 and the ferromagnetic Weyl semimetal Co3Sn2S2, and future research directions are discussed.

    • B. Andrei Bernevig
    • , Claudia Felser
    •  & Haim Beidenkopf
  • Article
    | Open Access

    A study reports a quantum gravity gradient sensor with a design that eliminates the need for long measurement times, and demonstrates the detection of an underground tunnel in an urban environment.

    • Ben Stray
    • , Andrew Lamb
    •  & Michael Holynski
  • Article |

    Multiple complementary optical signatures confirm the persistence of ferroelectricity and inversion-symmetry-breaking magnetic order down to monolayer NiI2, introducing the physics of type-II multiferroics into the area of van der Waals materials.

    • Qian Song
    • , Connor A. Occhialini
    •  & Riccardo Comin
  • Article |

    Via spin-exchange interactions with 51V5+ ions, an optically addressed 171Yb3+ qubit in a nuclear-spin-rich yttrium orthovanadate crystal is used to implement a reproducible nuclear-spin-based quantum memory, and entangled Yb–V Bell states are demonstrated.

    • Andrei Ruskuc
    • , Chun-Ju Wu
    •  & Andrei Faraon
  • Article |

    Precise quantitative scaling laws are observed between the normalized T-linear coefficient and Tc among copper oxides, pnictides and a class of organic superconductors, suggesting a common underlying physics at work in these unconventional superconductors.

    • Jie Yuan
    • , Qihong Chen
    •  & Zhongxian Zhao
  • Article |

    Multiple ultracold ensembles of strontium atoms are trapped in the same optical lattice, realizing a multiplexed optical clock where precision measurements can benefit from having all atoms share the same trapping light and clock laser.

    • Xin Zheng
    • , Jonathan Dolde
    •  & Shimon Kolkowitz
  • Article |

    Analysing the structure of a PbTiO3 epitaxial layer sandwiched between SrRuO3 electrodes led to observation of a topology with two periodic modulations that form an incommensurate polar crystal, providing an analogue to incommensurate spin crystals.

    • Dorin Rusu
    • , Jonathan J. P. Peters
    •  & Marin Alexe