Physics articles within Nature Physics

Featured

  • Research Briefing |

    In its superconducting state, MoTe2 displays oscillations arising from an edge supercurrent, and when it is near niobium, there is an incompatibility between electron pairs diffusing from niobium and the pairs intrinsic to MoTe2. Insight into this competition between pairs is obtained by monitoring the noise spectrum of the MoTe2 supercurrent oscillations.

  • News & Views |

    Predicting the large-scale behaviour of complex systems is challenging because of their underlying nonlinear dynamics. Theoretical evidence now verifies that many complex systems can be simplified and still provide an insightful description of the phenomena of interest.

    • Jianxi Gao

  • Article |

    Although using low-rank matrices is the go-to approach to model the dynamics of complex systems, its validity remains formally unconfirmed. An analysis of random networks and real-world data now sheds light on this low-rank hypothesis and its implications.

    • Vincent Thibeault
    • , Antoine Allard
    •  & Patrick Desrosiers

  • Article |

    It has been suggested that Gaussian boson sampling may provide a quantum computational advantage for calculating the vibronic spectra of molecules. Now, an equally efficient classical algorithm has been identified.

    • Changhun Oh
    • , Youngrong Lim
    •  & Liang Jiang

  • News & Views |

    A promising pathway towards the laser cooling of a molecule containing a radioactive atom has been identified. The unique structure of such a molecule means that it can act as a magnifying lens to probe fundamental physics.

    • Steven Hoekstra

  • Research Briefing |

    Predicting the complex flows that emerge in active fluid networks remains a challenge. A combination of experiments and theory was used to determine the hydraulic laws of active fluids. Analogies with frustrated magnetism and loop models explain the emergent flow patterns that result when active fluids explore pipe networks.

  • Article
    | Open Access

    Experiments with active colloidal fluids in large-scale hydraulic networks reveal a connection between emergent flows and dynamical spin-ice patterns.

    • Camille Jorge
    • , Amélie Chardac
    •  & Denis Bartolo

  • News & Views |

    Orderly or coherent multicellular flows are fundamental in biology, but their triggers are not understood. In epithelial tissues, the tug-of-war between cells is now shown to lead to intrinsic asymmetric distributions in cell polarities that drive such flows.

    • Guillermo A. Gomez

  • Article |

    An error detecting code running on a trapped-ion quantum computer protects expressive circuits of eight logical qubits with a high-fidelity and partially fault-tolerant implementation of a universal gate set.

    • Chris N. Self
    • , Marcello Benedetti
    •  & David Amaro

  • Article |

    The Haldane model is a paradigmatic example of topological behaviour but has not previously been implemented in condensed-matter experiments. Now a moiré bilayer is shown to realize this model with the accompanying quantized transport response.

    • Wenjin Zhao
    • , Kaifei Kang
    •  & Kin Fai Mak

  • News & Views |

    The ability to extract information from diffuse background signals in ultrafast electron diffraction experiments now enables a direct view of the formation of topological defects during a light-induced phase transition.

    • Isabella Gierz

  • Article |

    Bound states in the continuum are topological states with useful symmetry protection properties. An experiment now shows how to use them to form macroscopically coherent complexes of polariton condensates.

    • Antonio Gianfrate
    • , Helgi Sigurðsson
    •  & Daniele Sanvitto

  • News & Views |

    Networks of dynamic actin filaments and myosin motors, confined in cell-like droplets, drive diverse spatiotemporal patterning of contractile flows, waves, and spirals. This multiscale active sculpting is tuned by the system dynamics and size.

    • Rae M. Robertson-Anderson

  • Article
    | Open Access

    Heating and cooling are shown to happen along distinct thermodynamic pathways, which makes the former faster than the latter. This finding calls for a rethink of the fundamentals of thermalization processes at the microscale and of devices like Brownian heat engines.

    • M. Ibáñez
    • , C. Dieball
    •  & R. A. Rica

  • Comment |

    Quantum hypothesis testing—the task of distinguishing quantum states—enjoys surprisingly deep connections with the theory of entanglement. Recent findings have reopened the biggest questions in hypothesis testing and reversible entanglement manipulation.

    • Mario Berta
    • , Fernando G. S. L. Brandão
    •  & Marco Tomamichel

  • News & Views |

    Physical networks, composed of nodes and links that occupy a spatial volume, are hard to study with conventional techniques. A meta-graph approach that elucidates the impact of physicality on network structure has now been introduced.

    • Zoltán Toroczkai

  • Editorial |

    Many advances in biological physics result from multidisciplinary collaborations. We celebrate the physics of life with a collection of articles that offer insight into successful interactions between researchers from different fields.

  • News & Views |

    Electrons trapped above the surface of solid neon can be used to create qubits using spatial states with different charge distributions. These charge qubits combine direct electric field control with long coherence times.

    • Atsushi Noguchi

  • Comment |

    Fluid flows play a key part in living systems. Cross-disciplinary engagement between fluid physics and biology greatly benefits both fields.

    • Kirsty Y. Wan

  • News & Views |

    Understanding the mechanism underlying light-induced superconductivity could help manifest it at higher temperatures. Experiments now show that the excitation of a specific phonon leads to a resonant enhancement of this effect in K3C60.

    • Jingdi Zhang

  • News & Views |

    Semiconducting dipolar excitons — bound states of electrons and holes — in artificial moiré lattices constitute a promising condensed matter system to explore the phase diagram of strongly interacting bosonic particles.

    • Nadine Leisgang

  • Comment |

    Kenneth Wilson worked on the renormalization group during the Cold War, when communication between scientists in the Soviet Union and in the West was restricted. Nevertheless, Soviet physicists had a strong influence on Wilson’s work.

    • P. Chandra

  • Comment |

    Historically, most renormalization group studies have been performed for equilibrium systems. Here, I give a personal reflection on the unexpected outcome of studying non-equilibrium flocking using renormalization methods.

    • Yuhai Tu

  • News & Views |

    The Kondo effect — the screening of an impurity spin by conduction electrons — is a fundamental many-body effect. However, recent experiments combined with simulations have caused a long-standing model system for the single-atom Kondo effect to fail.

    • Jörg Kröger
    •  & Takashi Uchihashi

  • Comment |

    Supersymmetric quantum field theories have special properties that make them easier to study. This Comment discusses how the constraints that supersymmetry places on renormalization group flows have been used to study strongly coupled field theories.

    • Jaewon Song

  • Comment |

    The renormalization group evolved from ad hoc procedures to cope with divergences in perturbative calculations. This Comment summarizes efforts to develop a mathematically rigorous approach to renormalization group calculations.

    • Antti Kupiainen

  • Comment |

    Renormalization began as a tool to eliminate divergences in quantum electrodynamics, but it is now the basis of our understanding of physics at different energy scales. Here, I review its evolution with an eye towards physics beyond the Wilsonian paradigm.

    • Philip W. Phillips

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