Condensed-matter physics articles within Nature

Featured

  • News & Views |

    Clever manipulation of electrons has enabled scientists to change a key property of light emitted by a device using electrically controlled magnetization. The method could lead to stable and energy-efficient information transfer.

    • Satoshi Hiura
  • Article |

    Through inelastic light scattering chiral spin-2 long-wavelength magnetorotons are observed, revealing chiral graviton modes in fractional quantum Hall states and aiding in understanding the quantum metric impacts in topological correlated systems.

    • Jiehui Liang
    • , Ziyu Liu
    •  & Aron Pinczuk
  • News & Views |

    Complex magnetic structures called skyrmions have been generated on a nanometre scale and controlled electrically — a promising step for fast, energy-efficient computer hardware systems that can store large amounts of data.

    • Qiming Shao
  • News & Views |

    An array of robots has been set up so that pushes between them produce movements that do not conform to the usual laws of motion. Fascinating behaviour emerges from these interactions: wave phenomena known as solitons.

    • Sebastian D. Huber
    •  & Kukka-Emilia Huhtinen
  • Article |

    Wafer-scale realization of a nanoscale magnetic tunnel junction hosting a single, ambient skyrmion enables its large readout, efficient switching, and compatibility with lateral manipulation, and thereby provides the backbone for all-electrical skyrmionic device architectures.

    • Shaohai Chen
    • , James Lourembam
    •  & Anjan Soumyanarayanan
  • Article
    | Open Access

    By stabilizing a stationary giant quantum vortex in superfluid 4He and introducing a minimally invasive way to characterize the vortex flow, intricate wave–vortex interactions are shown to simulate black hole ringdown physics.

    • Patrik Švančara
    • , Pietro Smaniotto
    •  & Silke Weinfurtner
  • Article |

    A local driving mechanism for solitons that accelerates both solitons and antisolitons in the same direction, called non-reciprocal driving, is introduced, showing a subtle interplay between non-reciprocity and topological solitons and providing waveguiding and wave-processing possibilities for other fields.

    • Jonas Veenstra
    • , Oleksandr Gamayun
    •  & Corentin Coulais
  • Article
    | Open Access

    Laser-based micro-focused angle-resolved photoemission spectroscopy reveals both fractionalized and marginal quasiparticles in C3-symmetric electron pockets near the Brillouin zone centre of the ferromagnetic kagome metal Fe3Sn2.

    • Sandy Adhitia Ekahana
    • , Y. Soh
    •  & G. Aeppli
  • News & Views |

    By adapting a device designed to create extremely high pressures into one that can sense magnetic fields, researchers have obtained evidence that a hydrogen-rich material is a superconductor, eliminating long-standing doubts.

    • Kin On Ho
    •  & Sen Yang
  • Article |

    Integer and fractional quantum anomalous Hall effects in a rhombohedral pentalayer graphene–hBN moiré superlattice are observed, providing an ideal platform for exploring charge fractionalization and (non-Abelian) anyonic braiding at zero magnetic field.

    • Zhengguang Lu
    • , Tonghang Han
    •  & Long Ju
  • Article |

    Examining the in-plane spin components of the noncoplanar antiferromagnet manganese ditelluride provides spectroscopic and computational evidence of materials with a new type of plaid-like spin splitting in the antiferromagnetic ground state.

    • Yu-Peng Zhu
    • , Xiaobing Chen
    •  & Chang Liu
  • News & Views |

    Magnetic materials with zero net magnetization fall into two classes: conventional antiferromagnets and altermagnets. Physicists have identified a property in altermagnets that widens the divide between the two groups.

    • Carmine Autieri
  • News & Views |

    By combining materials-synthesis techniques, researchers have come up with a way of building layered structures that display intriguing wave-like patterns of electric polarization, and could be useful for next-generation electronics.

    • Berit H. Goodge
  • Research Briefing |

    Non-Abelian anyons are emergent quasiparticles found in exotic quantum states of matter, which could have applications in fault-tolerant topological quantum computing. But performing the manipulations necessary to make these quasiparticles has proved a challenge — now overcome through a happy confluence of theoretical and experimental innovation.

  • Article
    | Open Access

    The stacking of freestanding ferroelectric perovskite layers with controlled twist angles results in a peculiar pattern of polarization vortices and antivortices that emerges from the flexoelectric coupling of polarization to strain gradients.

    • G. Sánchez-Santolino
    • , V. Rouco
    •  & J. Santamaria
  • Article
    | Open Access

    Using photoemission spectroscopy and ab initio calculations, evidence is given of two distinct unconventional mechanisms of lifted Kramers spin degeneracy generated by the altermagnetic phase of centrosymmetric MnTe with vanishing net magnetization.

    • J. Krempaský
    • , L. Šmejkal
    •  & T. Jungwirth
  • Article
    | Open Access

    We provide evidence for superconducting topological Fermi arcs in PbBi2—a Weyl semimetal previously studied mostly for its bulk properties—from which Marjorama fermions could be derived for research in quantum computers.

    • Andrii Kuibarov
    • , Oleksandr Suvorov
    •  & Sergey Borisenko
  • Article
    | Open Access

    A spin–orbital- and angular-momentum-sensitive methodology used to study Sr2RuO4 reveals subtle spectroscopic signatures that are consistent with the formation of spin–orbital chiral currents at the surface of the material.

    • Federico Mazzola
    • , Wojciech Brzezicki
    •  & Antonio Vecchione
  • Article |

    Using valley-resolved scanning tunnelling spectroscopy, twisted WSe2 bilayers are studied, including incommensurate dodecagon quasicrystals at 30° and commensurate moiré crystals at 21.8° and 38.2°.

    • Yanxing Li
    • , Fan Zhang
    •  & Chih-Kang Shih
  • 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