Condensed-matter physics articles within Nature

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  • News & Views |

    Organic molecules are increasingly crucial in quantum-optics technologies. An experiment shows how the strong coupling between confined organic molecules and light can improve photon detection at room temperature.

    • Sebastian Klembt

  • 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

  • Review Article |

    This Review discusses the state of the art of interface optics—including refractive optics, meta-optics and moiré engineering—for the control of van der Waals polaritons.

    • Qing Zhang
    • , Guangwei Hu
    •  & Cheng-Wei Qiu

  • 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 |

    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

  • News & Views |

    Supersolids are exotic materials whose constituent particles can simultaneously form a crystal and flow without friction. The first 2D supersolid has been produced using ultracold gases of highly magnetic atoms.

    • Bruno Laburthe-Tolra

  • 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

  • News & Views |

    Experiments show that a collection of bouncing fluid droplets can behave like a microscopic system of spins — the intrinsic angular momenta of particles. This discovery could lead to a better understanding of the physics of spin systems.

    • Nicolas Vandewalle

  • 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 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 |

    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

  • News & Views |

    Plasmons are combinations of light and collective electron oscillations. The demonstration that plasmons can be dragged by drifting electrons in the 2D material graphene could lead to advances in optical physics.

    • Hugen Yan

  • 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 |

    First and second sound are experimentally observed in a two-dimensional superfluid, and the temperature-dependent sound speeds reveal the predicted jump in the superfluid density at the infinite-order Berezinskii–Kosterlitz–Thouless transition.

    • Panagiotis Christodoulou
    • , Maciej Gałka
    •  & Zoran Hadzibabic

  • Article |

    Optical experiments on WSe2/MoSe2 heterobilayers reveal signatures of moiré trions, including interlayer emission with sharp lines and a complex charge-density dependence, features that differ markedly from those of conventional trions.

    • Erfu Liu
    • , Elyse Barré
    •  & Chun Hung Lui

  • Article |

    Experimental measurements of vibrational sum-frequency generation spectra indicate that the dielectric response of water near an electrode may be strongly asymmetric, with different responses to positive and negative electrode charge.

    • Angelo Montenegro
    • , Chayan Dutta
    •  & Alexander V. Benderskii

  • Article |

    Nanoscale imaging of edge currents in charge-neutral graphene shows that charge accumulation can explain various exotic nonlocal transport measurements, bringing into question some theories about their origins.

    • A. Aharon-Steinberg
    • , A. Marguerite
    •  & E. Zeldov

  • Article |

    Hydrogen and helium mixtures can be compressed to the extreme temperature and pressure conditions found in the interior of Jupiter and Saturn, and the immiscibility revealed supports models of Jupiter that invoke a layered interior.

    • S. Brygoo
    • , P. Loubeyre
    •  & G. W. Collins

  • Article |

    Two-dimensional electronic systems in few-layer black arsenic show gate-tunable Rashba bands with unique spin–valley flavours and unconventional quantum Hall states due to synergetic spin–orbit coupling and the Stark effect.

    • Feng Sheng
    • , Chenqiang Hua
    •  & Yi Zheng

  • News & Views |

    Vortices of electrical polarization have been observed to vibrate at extremely high frequencies in a material called a ferroelectric. Such motion could be directly controlled by electric fields for ultrafast data processing.

    • Igor Luk’yanchuk
    •  & Valerii M. Vinokur

  • Article |

    The pressure dependence and magnetic field dependence of the specific heat of a quantum magnet, SrCu2(BO3)2, demonstrate that its phase diagram contains a line of first-order transitions terminating at a critical point, in analogy with water.

    • J. Larrea Jiménez
    • , S. P. G. Crone
    •  & F. Mila

  • Article |

    A dynamical study shows that vortices of electrical polarization have higher frequencies and smaller size than their magnetic counterparts, properties that are promising for electric-field-driven data processing.

    • Qian Li
    • , Vladimir A. Stoica
    •  & Haidan Wen

  • Article |

    Magic-angle graphene is found to have an exotic phase transition where, on heating, entropy is transferred from motional to magnetic degrees of freedom, analogously to the Pomeranchuk effect in 3He.

    • Asaf Rozen
    • , Jeong Min Park
    •  & Shahal Ilani

  • News & Views |

    Electrons usually move more freely at higher temperatures. But they have now been observed to ‘freeze’ as the temperature rises, in a system consisting of two stacked, but slightly misaligned, graphene sheets.

    • Biao Lian

  • Article |

    An electronic analogue of the Pomeranchuk effect is present in twisted bilayer graphene, shown by the stability of entropy in a ferromagnetic phase compared to an unpolarized Fermi liquid phase at certain high temperatures.

    • Yu Saito
    • , Fangyuan Yang
    •  & Andrea F. Young

  • Article |

    Using germanium quantum dots, a four-qubit processor capable of single-, two-, three-, and four-qubit gates, demonstrated by the creation of four-qubit Greenberger−Horne−Zeilinger states, is the largest yet realized with solid-state electron spins.

    • Nico W. Hendrickx
    • , William I. L. Lawrie
    •  & Menno Veldhorst

  • Article |

    The binding of multidentate ligands to the surface of lead halide perovskite nanocrystals suppresses the formation of surface defects that result in halide segregation, yielding materials with efficient and colour-stable red emission.

    • Yasser Hassan
    • , Jong Hyun Park
    •  & Henry J. Snaith

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