Physics articles within Nature Communications

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  • Article
    | Open Access

    Control of correlated excitonic states is a key goal of modern optoelectronic physics. Here, the authors demonstrate filling- and field-tunable exciton valley-pseudospin orders in a moiré heterostructure.

    • Richen Xiong
    • , Samuel L. Brantly
    •  & Chenhao Jin

  • Article
    | Open Access

    Extreme magnetoresistance is characterized by a large and non-saturating magnetoresistance. Typically, it is observed in materials with compensated bandstructures, however, here, Christensen et al demonstrate a large and non-saturating magnetoresistance in a γAl2O3/SrTiO3 heterostructure, which is related to disorder, rather than the materials bandstructure.

    • D. V. Christensen
    • , T. S. Steegemans
    •  & N. Pryds

  • Article
    | Open Access

    At the quantum limit, vacuum fluctuations determine the precision with which a signal can be measured. In this work the authors use a technique known as squeezing to greatly reduce the vacuum fluctuation noise present at microwave frequencies.

    • Arjen Vaartjes
    • , Anders Kringhøj
    •  & Jarryd J. Pla

  • Article
    | Open Access

    The authors observe multiferroicity in a single-layer non van der Waals material, CuCrSe2. The coexistence of room-temperature ferroelectricity and ferromagnetism up to 120 K is corroborated by a set of comprehensive experimental techniques.

    • Zhenyu Sun
    • , Yueqi Su
    •  & Baojie Feng

  • Article
    | Open Access

    Existing proposals of axion insulators are limited to spin-1/2 systems. Here the authors put forward a concept of a high spin axion insulator with several peculiar properties, such as the absence of gapless surface states and tunability of the axion field by an external magnetic field.

    • Shuai Li
    • , Ming Gong
    •  & X. C. Xie

  • Article
    | Open Access

    Exploring new mechanics regime, researchers created centimeter-long, nanometer-thin resonators, achieving unmatched room temperature mechanical isolation via cutting edge nanoengineering and machine learning design; rivaling cryogenic counterparts.

    • Andrea Cupertino
    • , Dongil Shin
    •  & Richard A. Norte

  • Article
    | Open Access

    Stark spectroscopy of molecules in liquid solutions was once challenging due to orientation effects, solved by freezing but limiting ambient studies. Now, THz Stark spectroscopy with intense terahertz pulses enables dynamic analysis of molecules in both non-polar and polar solvents at any temperature, advancing conventional methods.

    • Bong Joo Kang
    • , Egmont J. Rohwer
    •  & Thomas Feurer

  • Article
    | Open Access

    Universality of critical behaviour of O(N) field theories on regular homogeneous lattices is established, but open questions remain for more complex lattices. Bighin et al. study universality on a non-homogeneous graph showing that its scaling theory is controlled by a single parameter, the spectral dimension.

    • Giacomo Bighin
    • , Tilman Enss
    •  & Nicolò Defenu

  • Article
    | Open Access

    Currently, precious metal recovery from e-waste water is usually performed by liquid extraction or sorbent processes. Here, the authors show the untapped potential of dielectric insulators as catalysts for the 1-step selective recovery of gold in aqueous solutions by contact-electrocatalysis.

    • Yusen Su
    • , Andy Berbille
    •  & Zhong Lin Wang

  • Article
    | Open Access

    Standard ways of characterising quantum states incur exponential overhead. Here, the authors consider the task of reconstructing density matrices of multimode continuous variable systems, and demonstrate a method which scales polynomially with the system size, provided the state lies in a polynomial dimensional subspace.

    • Kevin He
    • , Ming Yuan
    •  & David I. Schuster

  • Article
    | Open Access

    The authors demonstrated an unprecedented level of polarization squeezing of light generated by an atomic ensemble, and a new regime of continuous quantum measurements on a macroscopic material oscillator.

    • Christian Bærentsen
    • , Sergey A. Fedorov
    •  & Eugene S. Polzik

  • Article
    | Open Access

    Efficient organic light-emitting diodes require a multilayer architecture to confine charge recombination to the emissive layer. Here, authors demonstrate efficient single-layer devices for emitters with imbalanced charge transport without the need of additional charge transport or blocking layers.

    • Xiao Tan
    • , Dehai Dou
    •  & Gert-Jan A. H. Wetzelaer

  • Article
    | Open Access

    Antiferromagnetic spintronics offer high speed operations, and reduced issues with stray fields compared to ferromagnetic systems, however, antiferromagnets are typically more challenging to manipulate electrically. Here, Yang, Kim, and coauthors demonstrate electrical control of magnon dispersion and frequency in an α-Fe2O3/Pt heterostructure.

    • Dongsheng Yang
    • , Taeheon Kim
    •  & Hyunsoo Yang

  • Article
    | Open Access

    Extending magnetic nanostructures into three dimensions offers a vast increase in potential functionalities, but this typically comes at the expense of ease of fabrication and measurement. Here, Dion et al. demonstrate an approach to creating three dimensional magnetic nanostructures while retaining easy fabrication and readout of established two dimensional approaches.

    • Troy Dion
    • , Kilian D. Stenning
    •  & Jack C. Gartside

  • Article
    | Open Access

    The laser pulses that drive most laser wakefield accelerators have wavelengths near 1 micrometer and peak power > 100 terawatts. Here, the authors drive plasma wakes with 10 micrometer, 2-terawatt pulses, yielding relativistic electron beams with a collimated, narrow-energy-bandwidth component.

    • R. Zgadzaj
    • , J. Welch
    •  & M. C. Downer

  • Article
    | Open Access

    Color centers in diamond have been proposed as a link between remote superconducting units in hybrid quantum systems, where their orbital degree of freedom is utilized. Here the authors report coherent electric-field control of the orbital state of a neutral NV center in diamond.

    • Hodaka Kurokawa
    • , Keidai Wakamatsu
    •  & Hideo Kosaka

  • Article
    | Open Access

    A field-programmable radio frequency surface (FPRFS) is proposed that can implement arbitrary antennas and impedance matching networks. An asymmetric excitation scheme is demonstrated to ensure radiation efficiency independent of the number of FPRFS switches.

    • Tianzhi Li
    • , Yang Yu
    •  & Efstratios Skafidas

  • Article
    | Open Access

    Damaging energy bursts in a tokamak are a major obstacle to achieving stable high-fusion performance. Here, the authors demonstrate the use of adaptive and machine-learning control to optimize the 3D magnetic field to prevent edge bursts and maximize fusion performance in two different fusion devices, DIII-D and KSTAR.

    • S. K. Kim
    • , R. Shousha
    •  & E. Kolemen

  • Article
    | Open Access

    Carbon nanotube-based single photon emitters allow for room-temperature operation, but suffer from vanishing indistinguishability due to strong dephasing. Following a theoretical proposal, the authors tackle the problem experimentally by using a cavity to enhance the photon coherence time and the emission spectral density in the regime of incoherent good cavity-coupling.

    • Lukas Husel
    • , Julian Trapp
    •  & Alexander Högele

  • Article
    | Open Access

    The coupling between topological electronic properties and magnetic order offers a promising route for magnetoelectric control with great potential for both applications and fundamental physics. Here, Susilo et al demonstrate the rich tunability of magnetic properties in nodal-line magnetic semiconductor Mn3Si2Te6 using pressure as control knob.

    • Resta A. Susilo
    • , Chang Il Kwon
    •  & Jun Sung Kim

  • Article
    | Open Access

    Here Pantazopoulos, Feist, García-Vidal, and Kamra explore the combination spin, phonon and photon coupling in a system of magnetic nanoparticles, and find that it leads to an emergent spin-spin interaction. This interaction is long-range and leads to an unconventional form of magnetism that can exhibit strong magnetization at temperatures very close to the critical temperature.

    • Petros Andreas Pantazopoulos
    • , Johannes Feist
    •  & Akashdeep Kamra

  • Article
    | Open Access

    The authors theoretically study the pressure dependence of the phase diagram of the nickelate PrNiO2 with and without Sr doping. At high pressure, they find that the superconducting dome is significantly enhanced in both Tc and doping-range of superconductivity compared with ambient pressure, with a maximal Tc of 100 K around 100 GPa in absence of external doping.

    • Simone Di Cataldo
    • , Paul Worm
    •  & Karsten Held

  • Article
    | Open Access

    Authors predict polar Bloch points with negative capacitance in tensile-strained ultrathin ferroelectric PbTiO3 film by phase-field simulations, observing their polarization structures by scanning transmission electron microscopic imaging.

    • Yu-Jia Wang
    • , Yan-Peng Feng
    •  & Xiu-Liang Ma

  • Article
    | Open Access

    Previous work proposed the Berry curvature dipole as the mechanism of the nonlinear Hall effect. Lee et al. establish the sign-changing Berry curvature hot spots from spin-orbit split bands as the origin of the Berry curvature dipole and link it to the nonlinear Hall effect in the topological semimetal NbIrTe4.

    • Ji-Eun Lee
    • , Aifeng Wang
    •  & Hyejin Ryu

  • Article
    | Open Access

    Here the authors identify a generic coupling in phase-separated liquids between motility and phase equilibria perturbations: phase-separated droplets swim to their dissolution. This suggests alternative transport mechanism for biomolecular condensates.

    • Etienne Jambon-Puillet
    • , Andrea Testa
    •  & Eric R. Dufresne

  • Article
    | Open Access

    When a solid object is placed in a supersaturated environment, it can exhibit interesting dynamics. Spagnolie et al. conducted an experiment using raisins and 3D-printed bodies in carbonated water and found that the motion of the solid object is influenced by the accumulation and release of bubbles as they reach the surface.

    • Saverio E. Spagnolie
    • , Samuel Christianson
    •  & Carsen Grote

  • Article
    | Open Access

    Low-dimensional ferroelectric systems are predicted to have topologically nontrivial polar structures, such as vortices or skyrmions. Here authors present atomic-scale 3D topological polar structures in BaTiO3 nanoparticles using atomic electron tomography and revealed their size-dependent transitions.

    • Chaehwa Jeong
    • , Juhyeok Lee
    •  & Yongsoo Yang

  • Article
    | Open Access

    Here, the authors report the observation of an interlayer plasmon polaron in heterostructures composed of graphene and monolayer WS2. This is manifested in the ARPES spectra as a strong quasiparticle peak accompanied by several carrier density-dependent shake-off replicas around the WS2 conduction band minimum.

    • Søren Ulstrup
    • , Yann in ’t Veld
    •  & Jyoti Katoch

  • Article
    | Open Access

    Creating accurate digital twins and controlling nonlinear systems displaying chaotic dynamics is challenging due to high system sensitivity to initial conditions and perturbations. The authors introduce a nonlinear controller for chaotic systems, based on next-generation reservoir computing, with improved accuracy, energy cost, and suitable for implementation with field-programmable gate arrays.

    • Robert M. Kent
    • , Wendson A. S. Barbosa
    •  & Daniel J. Gauthier

  • Article
    | Open Access

    Solving ill-posed inverse problems require regularisation based on prior knowledge, which is formulated mathematically or learned from data. Here, the authors demonstrated the concept of semantic regularisation based on large language model to circumvent the current limitation.

    • Hongrui Zhang
    • , Yanjin Chen
    •  & Lianlin Li

  • Article
    | Open Access

    Experimental characterization of the transition state in chemical reactions is challenging due to its transient nature. Here, Zhang et al. observe quantum states near the activated complex region of the F + NH3 → HF + NH2 reaction via a dipole-bound state of the FNH3- anion formed upon photodetachment, which allows probing regions of reactive potential energy surfaces out of the Franck-Condon-active areas.

    • Rui Zhang
    • , Shuaiting Yan
    •  & Chuangang Ning

  • Article
    | Open Access

    Lightweight and flexible thin crystalline silicon solar cells have huge market potential but remain relatively unexplored. Here, authors present a thin silicon structure with reinforced ring to prepare free-standing 4.7-μm 4-inch silicon wafers, achieving efficiency of 20.33% for 28-μm solar cells.

    • Taojian Wu
    • , Zhaolang Liu
    •  & Wenzhong Shen

  • Article
    | Open Access

    Previous measurements of FeSe0.45Te0.55 found one-dimensional (1D) defects that were interpretated as domain walls hosting propagating Majorana topological modes. Here, the authors reveal that these 1D defects correspond to sub-surface debris and show that the filling of the superconducting gap on these defects is topologically trivial.

    • A. Mesaros
    • , G. D. Gu
    •  & F. Massee

  • Article
    | Open Access

    Sublattice symmetry has long been synonymous with chiral symmetry when it comes to topological classification. Here, the authors challenge this notion by systematically investigating sublattice symmetry and revealing its spatial nature with a precise description in terms of symmetry algebra and representation.

    • Rong Xiao
    •  & Y. X. Zhao

  • Article
    | Open Access

    Finding an optimal shape for transport networks, represented as multilayer structures, is a challenging problem. The authors propose analytical and computational frameworks to analyze sharp transitions from symmetric to asymmetric shapes in optimal networks, that can be applied for planning and development of improved multimodal transportation systems within a city.

    • Siddharth Patwardhan
    • , Marc Barthelemy
    •  & Filippo Radicchi

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