Latest Research

  • Article |

    Einstein–Podolsky–Rosen entanglement between a millimetre-size mechanical membrane oscillator and a collective atomic spin oscillator formed by an ensemble of caesium atoms is achieved, although the two systems are spatially separated by one metre.

    • Rodrigo A. Thomas
    • , Michał Parniak
    • , Christoffer Østfeldt
    • , Christoffer B. Møller
    • , Christian Bærentsen
    • , Yeghishe Tsaturyan
    • , Albert Schliesser
    • , Jürgen Appel
    • , Emil Zeuthen
    •  & Eugene S. Polzik
  • Article |

    The phrase ‘arrow of time’ refers to the asymmetry in the flow of events. A machine learning algorithm trained to infer its direction identifies entropy production as the relevant underlying physical principle in the decision-making process.

    • Alireza Seif
    • , Mohammad Hafezi
    •  & Christopher Jarzynski
  • Article |

    Many-body localization—a phenomenon where an isolated system fails to reach thermal equilibrium—has been studied with a programmable quantum processor, which reveals the crucial role played by the initial energy on the onset of localization.

    • Qiujiang Guo
    • , Chen Cheng
    • , Zheng-Hang Sun
    • , Zixuan Song
    • , Hekang Li
    • , Zhen Wang
    • , Wenhui Ren
    • , Hang Dong
    • , Dongning Zheng
    • , Yu-Ran Zhang
    • , Rubem Mondaini
    • , Heng Fan
    •  & H. Wang
  • Article |

    The authors investigate the role of spherical confinement and curvature-induced topological defects on the crystallization of charged colloids. They conclude that crystallization in spherical confinement is due to a combination of thermodynamics and kinetic pathways.

    • Yanshuang Chen
    • , Zhenwei Yao
    • , Shixiang Tang
    • , Hua Tong
    • , Taiki Yanagishima
    • , Hajime Tanaka
    •  & Peng Tan
  • Article |

    A time–information uncertainty relation in thermodynamics has been derived, analogous to the time–energy uncertainty relation in quantum mechanics, imposing limits on the speed of energy and entropy exchange between a system and external reservoirs.

    • Schuyler B. Nicholson
    • , Luis Pedro García-Pintos
    • , Adolfo del Campo
    •  & Jason R. Green
  • Article |

    A weak-to-strong quantum measurement transition has been observed in a single-trapped-ion system, where the ion’s internal electronic state and its vibrational motion play the roles of the measured system and the measuring pointer.

    • Yiming Pan
    • , Jie Zhang
    • , Eliahu Cohen
    • , Chun-wang Wu
    • , Ping-Xing Chen
    •  & Nir Davidson
  • Letter |

    Transport measurements show that spontaneous symmetry breaking plays a crucial role in the correlated insulating and metallic states in twisted double bilayer graphene.

    • Minhao He
    • , Yuhao Li
    • , Jiaqi Cai
    • , Yang Liu
    • , K. Watanabe
    • , T. Taniguchi
    • , Xiaodong Xu
    •  & Matthew Yankowitz
  • Letter |

    Bacteria live in heterogeneous environments, so it is important to investigate their behaviour in porous media. Here the authors show that flow disorder enhances the effect of chemical gradients in micropockets in a porous medium, which then aid the transport of bacteria.

    • Pietro de Anna
    • , Amir A. Pahlavan
    • , Yutaka Yawata
    • , Roman Stocker
    •  & Ruben Juanes
  • Article |

    The radiation emission rate from gravity-related wave function collapse is calculated and the results of a dedicated experiment at the Gran Sasso laboratory are reported, ruling out the natural parameter-free version of the Diósi–Penrose model.

    • Sandro Donadi
    • , Kristian Piscicchia
    • , Catalina Curceanu
    • , Lajos Diósi
    • , Matthias Laubenstein
    •  & Angelo Bassi
  • Article |

    Softness, a machine-learned structural quantity, has been recently identified as a parameter that characterizes glassy dynamics. Here, the authors observe devitrification in 3D soft colloidal glasses and find that softness may indicate regions predisposed to crystallization.

    • Divya Ganapathi
    • , Dibyashree Chakrabarti
    • , A. K. Sood
    •  & Rajesh Ganapathy
  • Letter |

    By incorporating a ferromagnetic layer in their superconductor–semiconductor nanowire hybrid device, Vaitiekėnas et al. show that zero-bias peaks—potential Majorana bound states—can be induced without an external magnetic field.

    • S. Vaitiekėnas
    • , Y. Liu
    • , P. Krogstrup
    •  & C. M. Marcus
  • Article |

    An interferometer device is used to detect the quantum-mechanical phase that is gained when two anyons are braided around each other. The fractional value of the phase proves that these quasiparticles are neither bosons nor fermions.

    • J. Nakamura
    • , S. Liang
    • , G. C. Gardner
    •  & M. J. Manfra
  • Article |

    The non-zero geometric phase acquired by the braiding of vortex modes in photonic waveguide lattices demonstrates their potential to serve as a platform for the study of both Abelian and non-Abelian braiding in bosonic systems.

    • Jiho Noh
    • , Thomas Schuster
    • , Thomas Iadecola
    • , Sheng Huang
    • , Mohan Wang
    • , Kevin P. Chen
    • , Claudio Chamon
    •  & Mikael C. Rechtsman
  • Article |

    Ultracold alkaline-earth fermionic atoms with large number of nuclear spin states possess SU(N) symmetry. That deeply affects their interaction properties, and allows a Fermi gas of these atoms to be cooled quickly to the quantum degenerate regime.

    • Lindsay Sonderhouse
    • , Christian Sanner
    • , Ross B. Hutson
    • , Akihisa Goban
    • , Thomas Bilitewski
    • , Lingfeng Yan
    • , William R. Milner
    • , Ana M. Rey
    •  & Jun Ye
  • Letter |

    X-ray scattering experiments show that the quantum fluctuations associated with charge order take a form that is incompatible with the idea of competition between charge order and superconductivity.

    • W. S. Lee
    • , Ke-Jin J. Zhou
    • , M. Hepting
    • , J. Li
    • , A. Nag
    • , A. C. Walters
    • , M. Garcia-Fernandez
    • , H. C. Robarts
    • , M. Hashimoto
    • , H. Lu
    • , B. Nosarzewski
    • , D. Song
    • , H. Eisaki
    • , Z. X. Shen
    • , B. Moritz
    • , J. Zaanen
    •  & T. P. Devereaux
  • Article |

    The authors investigate out-of-equilibrium crystallization of a binary mixture of sphere-like nanoparticles in small droplets. They observe the spontaneous formation of an icosahedral structure with stable MgCu2 phases, which are promising for photonic applications.

    • Da Wang
    • , Tonnishtha Dasgupta
    • , Ernest B. van der Wee
    • , Daniele Zanaga
    • , Thomas Altantzis
    • , Yaoting Wu
    • , Gabriele M. Coli
    • , Christopher B. Murray
    • , Sara Bals
    • , Marjolein Dijkstra
    •  & Alfons van Blaaderen
  • Article |

    The unpredictability of evolution makes it difficult to deal with drug resistance because over the course of a treatment there may be mutations that we cannot predict. The authors propose to use quantum methods to control the speed and distribution of potential evolutionary outcomes.

    • Shamreen Iram
    • , Emily Dolson
    • , Joshua Chiel
    • , Julia Pelesko
    • , Nikhil Krishnan
    • , Özenç Güngör
    • , Benjamin Kuznets-Speck
    • , Sebastian Deffner
    • , Efe Ilker
    • , Jacob G. Scott
    •  & Michael Hinczewski
  • Article |

    High-quality WSe2–MoSe2 heterostructures support strong coupling between the two layers, which is associated with tight hybridization and effective charge separation. In these structures, the bands of the interlayer excitons can be pressure-engineered.

    • Juan Xia
    • , Jiaxu Yan
    • , Zenghui Wang
    • , Yongmin He
    • , Yongji Gong
    • , Weiqiang Chen
    • , Tze Chien Sum
    • , Zheng Liu
    • , Pulickel M. Ajayan
    •  & Zexiang Shen
  • Letter |

    Electrons and holes in doped quantum wells cannot form bound states from usual Coulomb interaction. However, when the system is embedded in a cavity, the exchange of photons provides an effective attraction, leading to the creation of bound excitons.

    • Erika Cortese
    • , Ngoc-Linh Tran
    • , Jean-Michel Manceau
    • , Adel Bousseksou
    • , Iacopo Carusotto
    • , Giorgio Biasiol
    • , Raffaele Colombelli
    •  & Simone De Liberato
  • Article |

    For a scenario of two separated but entangled observers, inequalities are derived from three fundamental assumptions. An experiment shows that these inequalities can be violated if quantum evolution is controllable on the scale of an observer.

    • Kok-Wei Bong
    • , Aníbal Utreras-Alarcón
    • , Farzad Ghafari
    • , Yeong-Cherng Liang
    • , Nora Tischler
    • , Eric G. Cavalcanti
    • , Geoff J. Pryde
    •  & Howard M. Wiseman
  • Article |

    The presence of axion-like dark matter candidates is expected to induce an oscillating magnetic field, enhanced by a ferromagnet. Limits on the electromagnetic coupling strength of axion-like particles are reported over a mass range spanning three decades.

    • Alexander V. Gramolin
    • , Deniz Aybas
    • , Dorian Johnson
    • , Janos Adam
    •  & Alexander O. Sushkov
  • Letter |

    Composite fermions can be tuned to very low effective density in a clean two-dimensional electron gas, which allows the formation of a Bloch ferromagnet.

    • Md Shafayat Hossain
    • , Tongzhou Zhao
    • , Songyang Pu
    • , M. A. Mueed
    • , M. K. Ma
    • , K. A. Villegas Rosales
    • , Y. J. Chung
    • , L. N. Pfeiffer
    • , K. W. West
    • , K. W. Baldwin
    • , J. K. Jain
    •  & M. Shayegan
  • Letter |

    A three-dimensional topological magnetic superlattice structure exhibits the quantum anomalous Hall effect when the Fermi energy is tuned into the correct energy window.

    • Haiming Deng
    • , Zhiyi Chen
    • , Agnieszka Wołoś
    • , Marcin Konczykowski
    • , Kamil Sobczak
    • , Joanna Sitnicka
    • , Irina V. Fedorchenko
    • , Jolanta Borysiuk
    • , Tristan Heider
    • , Łukasz Pluciński
    • , Kyungwha Park
    • , Alexandru B. Georgescu
    • , Jennifer Cano
    •  & Lia Krusin-Elbaum
  • Letter |

    The strange metal phase in unconventional superconductors is probed by Hall measurements. This reveals that quantum criticality drives the Hall effect, which also correlates with the superconductivity. This indicates that all three may be linked.

    • Ian M. Hayes
    • , Nikola Maksimovic
    • , Gilbert N. Lopez
    • , Mun K. Chan
    • , B. J. Ramshaw
    • , Ross D. McDonald
    •  & James G. Analytis
  • Letter |

    Magnons are collective excitations that dictate many of a magnet’s low-temperature properties. By means of Raman scattering, the magnon spectra of CrI3 are measured in the monolayer limit.

    • John Cenker
    • , Bevin Huang
    • , Nishchay Suri
    • , Pearl Thijssen
    • , Aaron Miller
    • , Tiancheng Song
    • , Takashi Taniguchi
    • , Kenji Watanabe
    • , Michael A. McGuire
    • , Di Xiao
    •  & Xiaodong Xu
  • Letter |

    A protocol for the reliable, efficient and precise characterization of quantum noise is reported and implemented in an architecture consisting of 14 superconducting qubits. Correlated noise within arbitrary sets of qubits can be easily detected.

    • Robin Harper
    • , Steven T. Flammia
    •  & Joel J. Wallman
  • Letter |

    Using doped BaFe2As2, the authors test whether nematicity is linked to superconductivity in the iron pnictides by applying the conjugate field to nematicity—a specific form of strain—and observe that the critical temperature decreases.

    • Paul Malinowski
    • , Qianni Jiang
    • , Joshua J. Sanchez
    • , Joshua Mutch
    • , Zhaoyu Liu
    • , Preston Went
    • , Jian Liu
    • , Philip J. Ryan
    • , Jong-Woo Kim
    •  & Jiun-Haw Chu
  • Article |

    The flow of fluid, such as mucus in the human respiratory tract, can affect biological function. Here the authors show that the hydrodynamic interactions mediated by mucus are essential for the directional coordination of ciliary beating in the lungs.

    • Etienne Loiseau
    • , Simon Gsell
    • , Aude Nommick
    • , Charline Jomard
    • , Delphine Gras
    • , Pascal Chanez
    • , Umberto D’Ortona
    • , Laurent Kodjabachian
    • , Julien Favier
    •  & Annie Viallat
  • Article |

    Analogous to the radiation-pressure coupling known in optomechanics, photon-pressure interaction between superconducting circuits can reach the strong coupling regime, which allows flexible control of the electromagnetic resonator’s quantum state.

    • D. Bothner
    • , I. C. Rodrigues
    •  & G. A. Steele
  • Article |

    The authors investigate the relationship between the volume of malignant tumours and their metabolic processes using a large dataset of patients with cancer. They find that cancers follow a superlinear metabolic scaling law, which implies that the proliferation of cancer cells accelerates with increasing volume.

    • Víctor M. Pérez-García
    • , Gabriel F. Calvo
    • , Jesús J. Bosque
    • , Odelaisy León-Triana
    • , Juan Jiménez
    • , Julián Pérez-Beteta
    • , Juan Belmonte-Beitia
    • , Manuel Valiente
    • , Lucía Zhu
    • , Pedro García-Gómez
    • , Pilar Sánchez-Gómez
    • , Esther Hernández-San Miguel
    • , Rafael Hortigüela
    • , Youness Azimzade
    • , David Molina-García
    • , Álvaro Martínez
    • , Ángel Acosta Rojas
    • , Ana Ortiz de Mendivil
    • , Francois Vallette
    • , Philippe Schucht
    • , Michael Murek
    • , María Pérez-Cano
    • , David Albillo
    • , Antonio F. Honguero Martínez
    • , Germán A. Jiménez Londoño
    • , Estanislao Arana
    •  & Ana M. García Vicente
  • Article |

    Higher-dimensional entanglement between two photons can be preserved for a photon passing through a complex medium by applying an appropriate scrambling operation on the entangled partner that does not enter the complex medium.

    • Natalia Herrera Valencia
    • , Suraj Goel
    • , Will McCutcheon
    • , Hugo Defienne
    •  & Mehul Malik
  • Article |

    An optomechanical cavity comprising a re-entrant cavity and membrane resonators can be tuned in and out of the Casimir regime. At the transition between the two regimes, the mechanical resonators exhibit a change in stiffness—the Casimir spring.

    • J. M. Pate
    • , M. Goryachev
    • , R. Y. Chiao
    • , J. E. Sharping
    •  & M. E. Tobar
  • Letter |

    The Mott insulator ground state is a crucial feature of high-temperature superconductors such as the cuprates. Here, the authors find an exactly solvable model that contains both superconductivity and Mottness.

    • Philip W. Phillips
    • , Luke Yeo
    •  & Edwin W. Huang
  • Article |

    A magnetic impurity is placed on the tip of a scanning tunnelling microscope, allowing direct tunnelling between two Yu–Shiba–Rusinov bound states. This technique can probe and enhance the impurity state lifetime.

    • Haonan Huang
    • , Ciprian Padurariu
    • , Jacob Senkpiel
    • , Robert Drost
    • , Alfredo Levy Yeyati
    • , Juan Carlos Cuevas
    • , Björn Kubala
    • , Joachim Ankerhold
    • , Klaus Kern
    •  & Christian R. Ast
  • Letter |

    The flat electronic bands that are associated with ordered phases in twisted bilayer graphene at a magic twist angle have been imaged using angle-resolved photoemission spectroscopy.

    • M. Iqbal Bakti Utama
    • , Roland J. Koch
    • , Kyunghoon Lee
    • , Nicolas Leconte
    • , Hongyuan Li
    • , Sihan Zhao
    • , Lili Jiang
    • , Jiayi Zhu
    • , Kenji Watanabe
    • , Takashi Taniguchi
    • , Paul D. Ashby
    • , Alexander Weber-Bargioni
    • , Alex Zettl
    • , Chris Jozwiak
    • , Jeil Jung
    • , Eli Rotenberg
    • , Aaron Bostwick
    •  & Feng Wang
  • Article |

    Scanning tunnelling microscopy is enhanced by microwave radiation that allows photon-assisted tunnelling processes. This technique is demonstrated on impurity states in a superconductor.

    • Olof Peters
    • , Nils Bogdanoff
    • , Sergio Acero González
    • , Larissa Melischek
    • , J. Rika Simon
    • , Gaël Reecht
    • , Clemens B. Winkelmann
    • , Felix von Oppen
    •  & Katharina J. Franke
  • Article |

    An adaptive heterodyne technique with a Josephson parametric amplifier detector allows a high-precision single-shot canonical phase measurement on a one-photon wave packet, complementing near-ideal measurements of photon number or field amplitude.

    • Leigh S. Martin
    • , William P. Livingston
    • , Shay Hacohen-Gourgy
    • , Howard M. Wiseman
    •  & Irfan Siddiqi
  • Article |

    A transient intermediate complex in a chemical reaction—formed from collisions between molecules with a few atoms—is observed under ultracold conditions. Its lifetime can be directly measured after suppression of the photo-excitation process.

    • Yu Liu
    • , Ming-Guang Hu
    • , Matthew A. Nichols
    • , David D. Grimes
    • , Tijs Karman
    • , Hua Guo
    •  & Kang-Kuen Ni
  • Letter |

    Thermal transport measurements show that there is a thermal Hall effect in the out-of-plane direction in two cuprates in the pseudogap regime. This indicates that phonons are carrying the heat and that they have a handedness of unknown origin.

    • G. Grissonnanche
    • , S. Thériault
    • , A. Gourgout
    • , M.-E. Boulanger
    • , E. Lefrançois
    • , A. Ataei
    • , F. Laliberté
    • , M. Dion
    • , J.-S. Zhou
    • , S. Pyon
    • , T. Takayama
    • , H. Takagi
    • , N. Doiron-Leyraud
    •  & L. Taillefer
  • Article |

    Weyl points in three-dimensional systems with certain symmetry carry non-Abelian topological charges, which can be transformed via non-trivial phase factors that arise upon braiding these points inside the reciprocal space.

    • Adrien Bouhon
    • , QuanSheng Wu
    • , Robert-Jan Slager
    • , Hongming Weng
    • , Oleg V. Yazyev
    •  & Tomáš Bzdušek
  • Perspective |

    Hybrid devices of superconductors and semiconductor nanowires may be topological and host majorana. This Perspective summarizes the current situation of the field, and highlights the developments in materials science required to make progress.

    • S. M. Frolov
    • , M. J. Manfra
    •  & J. D. Sau