Latest Research

  • Article |

    Results from the first experimental campaign of the Wendelstein 7-X stellarator demonstrate that its magnetic-field design grants good control of parasitic plasma currents, leading to long energy confinement times.

    • A. Dinklage
    • , C. D. Beidler
    • , P. Helander
    • , G. Fuchert
    • , H. Maaßberg
    • , K. Rahbarnia
    • , T. Sunn Pedersen
    • , Y. Turkin
    • , R. C. Wolf
    • , A. Alonso
    • , T. Andreeva
    • , B. Blackwell
    • , S. Bozhenkov
    • , B. Buttenschön
    • , A. Czarnecka
    • , F. Effenberg
    • , Y. Feng
    • , J. Geiger
    • , M. Hirsch
    • , U. Höfel
    • , M. Jakubowski
    • , T. Klinger
    • , J. Knauer
    • , G. Kocsis
    • , A. Krämer-Flecken
    • , M. Kubkowska
    • , A. Langenberg
    • , H. P. Laqua
    • , N. Marushchenko
    • , A. Mollén
    • , U. Neuner
    • , H. Niemann
    • , E. Pasch
    • , N. Pablant
    • , L. Rudischhauser
    • , H. M. Smith
    • , O. Schmitz
    • , T. Stange
    • , T. Szepesi
    • , G. Weir
    • , T. Windisch
    • , G. A. Wurden
    •  & D. Zhang
  • Author Correction |

    • Lior Atia
    • , Dapeng Bi
    • , Yasha Sharma
    • , Jennifer A. Mitchel
    • , Bomi Gweon
    • , Stephan A. Koehler
    • , Stephen J. DeCamp
    • , Bo Lan
    • , Jae Hun Kim
    • , Rebecca Hirsch
    • , Adrian F. Pegoraro
    • , Kyu Ha Lee
    • , Jacqueline R. Starr
    • , David A. Weitz
    • , Adam C. Martin
    • , Jin-Ah Park
    • , James P. Butler
    •  & Jeffrey J. Fredberg
  • Article |

    The angle of Cherenkov radiation in one-dimensional photonic crystals can be controlled by making use of constructive interference. This feature allows new design of particle detectors with improved performance.

    • Xiao Lin
    • , Sajan Easo
    • , Yichen Shen
    • , Hongsheng Chen
    • , Baile Zhang
    • , John D. Joannopoulos
    • , Marin Soljačić
    •  & Ido Kaminer
  • Review Article |

    Evidence that ants communicate mechanically to move objects several times their size has prompted a theory that places the group near a transition between uncoordinated and coordinated motion. These findings and their implications are reviewed here.

    • Ofer Feinerman
    • , Itai Pinkoviezky
    • , Aviram Gelblum
    • , Ehud Fonio
    •  & Nir S. Gov
  • Article |

    Ergodicity can be strongly broken by integrable or many-body localized systems. A new form of weak ergodicity breaking is shown to arise from the presence of special eigenstates in the many-body spectrum akin to quantum scars in chaotic systems.

    • C. J. Turner
    • , A. A. Michailidis
    • , D. A. Abanin
    • , M. Serbyn
    •  & Z. Papić
  • Letter |

    A neutron scattering study of an Ising-like quasi-one-dimensional antiferromagnet, BaCo2V2O8, reveals a topological quantum phase transition when it is subjected to a transverse magnetic field.

    • Quentin Faure
    • , Shintaro Takayoshi
    • , Sylvain Petit
    • , Virginie Simonet
    • , Stéphane Raymond
    • , Louis-Pierre Regnault
    • , Martin Boehm
    • , Jonathan S. White
    • , Martin Månsson
    • , Christian Rüegg
    • , Pascal Lejay
    • , Benjamin Canals
    • , Thomas Lorenz
    • , Shunsuke C. Furuya
    • , Thierry Giamarchi
    •  & Béatrice Grenier
  • Letter |

    α-RuCl3, a promising candidate to realize the Kitaev model, has attracted great interest recently. Two types of fractional excitation—gauge fluxes and Majorana fermions—are observed, which contribute to the spin excitation gap in different ways.

    • Nejc Janša
    • , Andrej Zorko
    • , Matjaž Gomilšek
    • , Matej Pregelj
    • , Karl W. Krämer
    • , Daniel Biner
    • , Alun Biffin
    • , Christian Rüegg
    •  & Martin Klanjšek
  • Article |

    Superconductivity is studied in the molecular solid K3C60 when it is pressurized and illuminated with short laser pulses. Similarities with the non-illuminated case show that superconductivity exists at higher temperatures than previously thought.

    • A. Cantaluppi
    • , M. Buzzi
    • , G. Jotzu
    • , D. Nicoletti
    • , M. Mitrano
    • , D. Pontiroli
    • , M. Riccò
    • , A. Perucchi
    • , P. Di Pietro
    •  & A. Cavalleri
  • Article |

    Wind-mediated ripples form on a centimetre scale in sand, and in dunes on a scale spanning tens of metres, but patterns on intermediate scales are rare. A theory now fills the gap by predicting megaripples, which resemble structures seen on Mars.

    • Marc Lämmel
    • , Anne Meiwald
    • , Hezi Yizhaq
    • , Haim Tsoar
    • , Itzhak Katra
    •  & Klaus Kroy
  • Letter |

    A detailed and systematic neutron scattering study of rare-earth pyrochlore magnet Pr2Hf2O7 provides evidence for a quantum spin ice state, and emergent lattice quantum electrodynamics consistent with theoretical predictions.

    • Romain Sibille
    • , Nicolas Gauthier
    • , Han Yan
    • , Monica Ciomaga Hatnean
    • , Jacques Ollivier
    • , Barry Winn
    • , Uwe Filges
    • , Geetha Balakrishnan
    • , Michel Kenzelmann
    • , Nic Shannon
    •  & Tom Fennell
  • Letter |

    A new type of exciton is observed in transition-metal dichalcogenide heterobilayers that is indirect in both real space and momentum space. It consists of a paired electron in MoS2 at the K point and hole spread across MoS2 and WSe2 at the Γ point.

    • Jens Kunstmann
    • , Fabian Mooshammer
    • , Philipp Nagler
    • , Andrey Chaves
    • , Frederick Stein
    • , Nicola Paradiso
    • , Gerd Plechinger
    • , Christoph Strunk
    • , Christian Schüller
    • , Gotthard Seifert
    • , David R. Reichman
    •  & Tobias Korn
  • Letter |

    Sending quantum states as shaped microwave photonic wavepackets realizes on-demand, high-fidelity quantum state transfer and entanglement between two superconducting cavity quantum memories.

    • Christopher J. Axline
    • , Luke D. Burkhart
    • , Wolfgang Pfaff
    • , Mengzhen Zhang
    • , Kevin Chou
    • , Philippe Campagne-Ibarcq
    • , Philip Reinhold
    • , Luigi Frunzio
    • , S. M. Girvin
    • , Liang Jiang
    • , M. H. Devoret
    •  & R. J. Schoelkopf
  • Article |

    As a benchmark for the development of a future quantum computer, sampling from random quantum circuits is suggested as a task that will lead to quantum supremacy—a calculation that cannot be carried out classically.

    • Sergio Boixo
    • , Sergei V. Isakov
    • , Vadim N. Smelyanskiy
    • , Ryan Babbush
    • , Nan Ding
    • , Zhang Jiang
    • , Michael J. Bremner
    • , John M. Martinis
    •  & Hartmut Neven
  • Publisher Correction |

    • Lior Atia
    • , Dapeng Bi
    • , Yasha Sharma
    • , Jennifer A. Mitchel
    • , Bomi Gweon
    • , Stephan A. Koehler
    • , Stephen J. DeCamp
    • , Bo Lan
    • , Jae Hun Kim
    • , Rebecca Hirsch
    • , Adrian F. Pegoraro
    • , Kyu Ha Lee
    • , Jacqueline R. Starr
    • , David A. Weitz
    • , Adam C. Martin
    • , Jin-Ah Park
    • , James P. Butler
    •  & Jeffrey J. Fredberg
  • Article |

    Attosecond XUV spectroscopy is reported, focussing on non-Born–Oppenheimer dynamics in molecular gases of light elements. It is shown that the phase of the detected photoelectrons carries information from both vibrational and electronic degrees of freedom.

    • L. Cattaneo
    • , J. Vos
    • , R. Y. Bello
    • , A. Palacios
    • , S. Heuser
    • , L. Pedrelli
    • , M. Lucchini
    • , C. Cirelli
    • , F. Martín
    •  & U. Keller
  • Article |

    Surface plasmon polaritons in an array of metallic nanoparticles evolve quickly into the band minimum by interacting with a molecule bath, forming a Bose–Einstein condensate at room temperature within picoseconds.

    • Tommi K. Hakala
    • , Antti J. Moilanen
    • , Aaro I. Väkeväinen
    • , Rui Guo
    • , Jani-Petri Martikainen
    • , Konstantinos S. Daskalakis
    • , Heikki T. Rekola
    • , Aleksi Julku
    •  & Päivi Törmä
  • Letter |

    Antiparallel streams of nematically oriented cells arise in both embryonic development and cancer. In vitro experiments and a hydrodynamic active gel theory suggest that these cells are subject to a transition that is driven by their activity.

    • G. Duclos
    • , C. Blanch-Mercader
    • , V. Yashunsky
    • , G. Salbreux
    • , J.-F. Joanny
    • , J. Prost
    •  & P. Silberzan
  • Letter |

    Light fields of energy comparable to the Coloumb field that binds valence electrons in atoms generate states where nearly free electrons oscillate in the laser field. These are now shown to exist in rare gases, acting as gain for laser filamentation.

    • Mary Matthews
    • , Felipe Morales
    • , Alexander Patas
    • , Albrecht Lindinger
    • , Julien Gateau
    • , Nicolas Berti
    • , Sylvain Hermelin
    • , Jérôme Kasparian
    • , Maria Richter
    • , Timm Bredtmann
    • , Olga Smirnova
    • , Jean-Pierre Wolf
    •  & Misha Ivanov
  • Article |

    The charge–phase duality in superconductors implies that the well-known SQUID has an analogue based on the interference of fluxons. Such a ‘charge quantum interference device’ (or CQUID) has now been experimentally demonstrated.

    • S. E. de Graaf
    • , S. T. Skacel
    • , T. Hönigl-Decrinis
    • , R. Shaikhaidarov
    • , H. Rotzinger
    • , S. Linzen
    • , M. Ziegler
    • , U. Hübner
    • , H.-G. Meyer
    • , V. Antonov
    • , E. Il’ichev
    • , A. V. Ustinov
    • , A. Ya. Tzalenchuk
    •  & O. V. Astafiev