Condensed-matter physics articles within Nature

Featured

  • Article
    | Open Access

    The Berry phase is resolved in light-driven crystals, via attosecond interferometry, in which the electronic wavefunction accumulates a geometric phase as it interacts with the laser field, mapping its coherence into the emission of high-order harmonics.

    • Ayelet J. Uzan-Narovlansky
    • , Lior Faeyrman
    •  & Nirit Dudovich

  • Article |

    Evidence for a quantum magnetic analogue of a supersolid appears in a recently synthesized antiferromagnet showing a strong magnetocaloric effect of the spin supersolid phase with potential for applications in sub-kelvin refrigeration.

    • Junsen Xiang
    • , Chuandi Zhang
    •  & Gang Su

  • News & Views |

    The integration of non-silicon semiconductors into systems on chips is needed for advanced power and sensing technologies. A semiconducting graphene ‘buffer’ layer grown on silicon carbide is a step on this path.

    • Francesca Iacopi
    •  & Andrea C. Ferrari

  • Article |

    We measure efficient heat conductance through the electrically insulating quantum Hall bulk and propose a theoretical model based on the role played by the localized states.

    • Ron Aharon Melcer
    • , Avigail Gil
    •  & Erez Berg

  • News & Views Forum |

    A transistor made from atomically thin materials mimics the way in which connections between neurons are strengthened by activity. Two perspectives reveal why physicists and neuroscientists share equal enthusiasm for this feat of engineering.

    • Frank H. L. Koppens
    • , James B. Aimone
    •  & Frances S. Chance

  • Article |

    We establish a spin nematic phase in the square-lattice iridate Sr2IrO4 and find a complete breakdown of coherent magnon excitations at short-wavelength scales, suggesting a many-body quantum entanglement in the antiferromagnetic state.

    • Hoon Kim
    • , Jin-Kwang Kim
    •  & B. J. Kim

  • News & Views |

    A curious topological structure known as a hopfion ring has been induced in a magnetic material. The first of its kind in 3D, the ring is a tantalizing prospect for several branches of computing development.

    • Hanu Arava
    •  & Charudatta M. Phatak

  • Article
    | Open Access

    Imaging of quantum oscillations in Bernal-stacked trilayer graphene with dual gates enables high-precision reconstruction of the highly tunable bands and reveals naturally occurring pseudomagnetic fields as low as 1 mT corresponding to graphene twisting by 1 millidegree.

    • Haibiao Zhou
    • , Nadav Auerbach
    •  & Eli Zeldov

  • Article
    | Open Access

    Transmission electron microscopy is used to observe three-dimensional topological solitons known as hopfions that in a chiral magnet are found to form rings around skyrmion strings, and a nucleation protocol for these rings is provided.

    • Fengshan Zheng
    • , Nikolai S. Kiselev
    •  & Rafal E. Dunin-Borkowski

  • Article
    | Open Access

    Minimization of kinetic energy leads to ferromagnetic correlations between itinerant electrons in MoSe2/WS2 moiré lattices even in the absence of exchange interactions.

    • L. Ciorciaro
    • , T. Smoleński
    •  & A. İmamoğlu

  • Article |

    A one-dimensional trapped-ion quantum simulator with up to 23 spins is used to demonstrate a continuous symmetry-breaking phase that relies on long-range interactions.

    • Lei Feng
    • , Or Katz
    •  & Christopher Monroe

  • News & Views |

    Experiments reveal flat bands in the relationship between the energy and the momentum of electrons in a 3D solid. Such behaviour is indicative of unusual physical phenomena, and has previously been seen only in 2D materials.

    • Xingjiang Zhou

  • Article |

    Angle-resolved photoemission spectroscopy of CaNi2 shows a band with vanishing dispersion across the full 3D Brillouin zone that is identified with the pyrochlore flat band as well as two additional flat bands that arise from multi-orbital interference of Ni d-electrons.

    • Joshua P. Wakefield
    • , Mingu Kang
    •  & Joseph G. Checkelsky

  • Article |

    The realization of dipolar quantum solids with an ultracold gas of magnetic atoms in an optical lattice ushers in quantum simulation of many-body systems with long-range anisotropic interactions.

    • Lin Su
    • , Alexander Douglas
    •  & Markus Greiner

  • Article |

    Measurements of thermal transport along 3C-SiC nanowires with and without a gold coating on the end(s) suggest that thermally excited surface phonon polaritons can be used in nanostructures to substantially enhance thermal conductivity.

    • Zhiliang Pan
    • , Guanyu Lu
    •  & Deyu Li

  • Article |

    Orbital multiferroicity reported in pentalayer rhombohedral graphene features ferro-orbital-magnetism and ferro-valleytricity, both of which can be controlled by an electric field.

    • Tonghang Han
    • , Zhengguang Lu
    •  & Long Ju

  • News & Views |

    Layers of a thin semiconductor material overlap in a particular pattern, giving rise to particle currents carrying a fraction of the charge of an electron — with potential for encoding quantum information.

    • Cécile Repellin

  • News & Views |

    A nickel-based compound has shown evidence of a superconducting state at a temperature of 80 kelvin. The material bridges a gap between other nickelates and a notable class of superconductor containing copper.

    • Matthias Hepting

  • Article |

    Transport measurements in twisted bilayer MoTe2 reveal quantized Hall resistance plateaus and composite Fermi liquid-like behaviour under zero magnetic field, constituting a direct observation of integer and fractional quantum anomalous Hall effects.

    • Heonjoon Park
    • , Jiaqi Cai
    •  & Xiaodong Xu

  • Article
    | Open Access

    Proximity-induced superconductivity on a single spin-degenerate quantum level of a surface state confined in a quantum corral on a superconducting substrate built atom by atom by a scanning tunnelling microscope is investigated.

    • Lucas Schneider
    • , Khai That Ton
    •  & Jens Wiebe

  • Article |

    In the layered magnetic semiconductor CrSBr, emergent light–matter hybrids (polaritons) increase the spectral bandwidth of correlations between the magnetic, electronic and optical properties, enabling largely tunable optical responses to applied magnetic fields and magnons.

    • Florian Dirnberger
    • , Jiamin Quan
    •  & Vinod M. Menon

  • Article
    | Open Access

    We report organic molecules showing both efficient luminescence and near-unity generation yield of excited states with high spin multiplicity, simultaneously supporting a high efficiency of initialization, spin manipulations and light-based readout at room temperature.

    • Sebastian Gorgon
    • , Kuo Lv
    •  & Emrys W. Evans

  • Article
    | Open Access

    Evidence is presented for a Pines’ demon as a three-dimensional acoustic plasmon in the multiband metal Sr2RuO4 from momentum-resolved electron energy-loss spectroscopy using a collimated, defocused beam with high momentum resolution.

    • Ali A. Husain
    • , Edwin W. Huang
    •  & Peter Abbamonte

  • Research Briefing |

    The ordering of magnetic moments in a strongly correlated system depends on the lattice they inhabit, with triangular lattices yielding exotic phases through an effect called geometrical frustration. Experiments demonstrate that ultracold atoms in such lattices show frustration and, surprisingly, display an ordering called ferromagnetism when mobile charges are present.

  • Article |

    Quantum oscillations in the three-dimensional topological semimetal CoSi are reported, where selected oscillation frequencies have no corresponding extremal Fermi surface cross-sections, representing instead oscillations of the quasiparticle lifetime.

    • Nico Huber
    • , Valentin Leeb
    •  & Marc A. Wilde

  • Article |

    The magnetic phases of the geometrically frustrated triangular lattice Hubbard model are directly investigated using ultracold fermionic atoms, indicating a possible transition to ferromagnetism at a filling of 1.2.

    • Muqing Xu
    • , Lev Haldar Kendrick
    •  & Markus Greiner

  • Article |

    Thermodynamic evidence of both integer and fractional Chern insulators at zero magnetic field is reported in small-angle twisted bilayer MoTe2 by combining the local electronic compressibility and magneto-optical measurements.

    • Yihang Zeng
    • , Zhengchao Xia
    •  & Jie Shan

  • Article |

    Equilibrium-like state variables, related by an equation of state, are identified in a study of turbulent cascade of matter waves in a far-from-equilibrium ultracold atomic Bose gas.

    • Lena H. Dogra
    • , Gevorg Martirosyan
    •  & Zoran Hadzibabic

  • Article |

    A moiré quasicrystal constructed by twisting three layers of graphene with two different twist angles shows high tunability between a periodic-like regime at low energies and a strongly quasiperiodic regime at higher energies alongside strong interactions and superconductivity.

    • Aviram Uri
    • , Sergio C. de la Barrera
    •  & Pablo Jarillo-Herrero

  • Article
    | Open Access

    The electronic states in three-dimensional crystals such as graphite can be tuned by a superlattice potential occurring at the interface with crystallographically aligned hexagonal boron nitride.

    • Ciaran Mullan
    • , Sergey Slizovskiy
    •  & Artem Mishchenko

  • Article |

    Transport measurements of dual-gated devices constructed by slightly rotating a monolayer graphene sheet atop a thin bulk graphite crystal are performed, showing that moiré potential transforms the electronic properties of an entire graphitic thin film.

    • Dacen Waters
    • , Ellis Thompson
    •  & Matthew Yankowitz

  • Article |

    By moving to a substrate that better stabilizes conditions, the doping series of Nd1–xSrxNiO2 is synthesized free from extended defects, resulting in enhancement of superconductivity in terms of transition temperature and range of doping.

    • Kyuho Lee
    • , Bai Yang Wang
    •  & Harold Y. Hwang

  • News & Views |

    An effect that transfers information using the rotational motion of electrons has been detected with light, forging a path towards technologies that are cheaper — and less harmful to the environment — than existing electronics.

    • Tatiana G. Rappoport

  • Article |

    The orbital Hall effect is observed in the light metal titanium, confirming the orbital Hall effect and indicating that orbital angular momentum is an important degree of freedom in solids.

    • Young-Gwan Choi
    • , Daegeun Jo
    •  & Hyun-Woo Lee

  • Article
    | Open Access

    A spin-triplet pair density wave is discovered in the candidate topological superconductor UTe2 using superconductive scanning tunnelling microscopy tips.

    • Qiangqiang Gu
    • , Joseph P. Carroll
    •  & Xiaolong Liu

  • News & Views |

    Periodic waves of changing electron density are linked to the ability of some materials to conduct electricity without resistance. Four studies reveal that such waves could emerge in more materials than expected.

    • Hui Chen
    •  & Hong-Jun Gao

  • Article |

    The primary pair density wave state has been discovered in a monolayer iron-based high-Tc superconductor, providing a platform to study the interplay between the correlated electronic states and unconventional Cooper pairing in high-Tc superconductors.

    • Yanzhao Liu
    • , Tianheng Wei
    •  & Jian Wang

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