Featured
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Nature Podcast |
How AI could improve robotics, the cockroach’s origins, and promethium spills its secrets
We round up some recent stories from the Nature Briefing.
- Benjamin Thompson
- , Elizabeth Gibney
- & Flora Graham
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Article
| Open AccessCanted spin order as a platform for ultrafast conversion of magnons
A study demonstrates a new functionality of canted spin order for magnonics and shows that it facilitates mechanisms for ultrafast nonlinear conversion of magnons.
- R. A. Leenders
- , D. Afanasiev
- & R. V. Mikhaylovskiy
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Article |
A site-resolved two-dimensional quantum simulator with hundreds of trapped ions
In this work, stable trapping of a two-dimensional Wigner crystal of above 500 ions is achieved, and the quantum simulation of 300 ions with individual state detection demonstrated.
- S.-A. Guo
- , Y.-K. Wu
- & L.-M. Duan
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Article
| Open AccessWork hardening in colloidal crystals
Deformation of soft colloidal crystals lead to work hardening, similar to that seen in the deformation of metals.
- Seongsoo Kim
- , Ilya Svetlizky
- & Frans Spaepen
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Correspondence |
Keep an open mind on faster-than-light ‘tachyons’ as the source of quantum entanglement
- Ian Crawford
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Nature Video |
Laser-powered bullets reveal surprising metal hardness
Micro-ballistics research has shown metals hardening as they are heated, under extreme strain rates.
- Dan Fox
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Article
| Open AccessCapturing electron-driven chiral dynamics in UV-excited molecules
Time-resolved photoelectron circular dichroism with a temporal resolution of 2.9 fs is used to track the ultrafast electron dynamics following ultraviolet excitation of neutral chiral molecules, which generate chiral currents that exhibit periodic rotation direction reversal.
- Vincent Wanie
- , Etienne Bloch
- & Francesca Calegari
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News |
Element from the periodic table’s far reaches coaxed into elusive compound
Chemists achieve synthetic feat with radioactive promethium for the first time.
- Mark Peplow
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Article |
Imaging surface structure and premelting of ice Ih with atomic resolution
Atomic-resolution imaging of the surface structure of hexagonal water ice is achieved using cryogenic atomic force microscopy, providing a molecular perspective on the origin and mechanism of of ice premelting.
- Jiani Hong
- , Ye Tian
- & Ying Jiang
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Article
| Open AccessThe solar dynamo begins near the surface
Simple analytic estimates and detailed numerical calculations show that the solar dynamo begins near the surface, rather than at the much-deeper tachocline.
- Geoffrey M. Vasil
- , Daniel Lecoanet
- & Keith Julien
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Article
| Open AccessObservation of a promethium complex in solution
Stable chelation of the 147Pm radionuclide in aqueous solution by the newly synthesized organic diglycolamide ligand is demonstrated and the resulting complex studied, showing accelerated shortening of bonds at the beginning of the lanthanide series.
- Darren M. Driscoll
- , Frankie D. White
- & Alexander S. Ivanov
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News |
‘Quantum internet’ demonstration in cities is most advanced yet
Experiments generate quantum entanglement over optical fibres across three real cities, marking progress towards networks that could have revolutionary applications.
- Davide Castelvecchi
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Article
| Open AccessWavefunction matching for solving quantum many-body problems
An approach called wavefunction matching transforms particle interactions so that their wavefunctions match those of easily computable interactions, to allow for calculations of quantum many-body systems that would otherwise be difficult or impossible.
- Serdar Elhatisari
- , Lukas Bovermann
- & Gianluca Stellin
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Article |
Superconducting diode effect and interference patterns in kagome CsV3Sb5
We observe the superconducting diode effect and interference patterns in CsV3Sb5, implying a time-reversal symmetry-breaking superconducting order in kagome superconductors.
- Tian Le
- , Zhiming Pan
- & Xiao Lin
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Article
| Open AccessEntanglement of nanophotonic quantum memory nodes in a telecom network
Entanglement of two nanophotonic quantum network nodes is demonstrated through 40 km spools of low-loss fibre and a 35-km long fibre loop deployed in the Boston area urban environment.
- C. M. Knaut
- , A. Suleymanzade
- & M. D. Lukin
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Article |
Dispersion-assisted high-dimensional photodetector
By combining spatial and frequency dispersive thin-film interfaces with deep residual learning, a miniature photodetector allowing the acquisition of high-dimensional information on light in a single-shot fashion is described.
- Yandong Fan
- , Weian Huang
- & Wei Li
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Article |
Creation of memory–memory entanglement in a metropolitan quantum network
A metropolitan-area quantum network based on the generation of pairwise entanglement is formed by three atomic quantum memories connected to a central photonic server.
- Jian-Long Liu
- , Xi-Yu Luo
- & Jian-Wei Pan
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News |
World’s brightest X-rays: China first in Asia to build next-generation synchrotron
The US$665-million High Energy Photon Source (HEPS) outside Beijing puts China among only a handful of countries that have fourth-generation synchrotron light sources.
- Gemma Conroy
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News & Views |
Vibration isolation could boost performance of near-infrared organic LEDs
The development of high-performance organic LEDs and other devices that emit near-infrared light has been hindered by seemingly fundamental features of the light-emitting molecules. A potential solution has been identified.
- Margherita Maiuri
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Article |
An atomic boson sampler
Boson sampling using ultracold atoms in a two-dimensional, tunnel-coupled optical lattice is enabled by high-fidelity programmable control with optical tweezers of a large number of atoms trapped in an optical lattice.
- Aaron W. Young
- , Shawn Geller
- & Adam M. Kaufman
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Article |
Observation of Nagaoka polarons in a Fermi–Hubbard quantum simulator
Emergence of Nagaoka polarons and kinetic magnetism is observed in a Hubbard system realized with strongly interacting fermions trapped in a triangular optical lattice.
- Martin Lebrat
- , Muqing Xu
- & Markus Greiner
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Article
| Open AccessDecoupling excitons from high-frequency vibrations in organic molecules
A molecular design strategy for reducing the vibration-induced non-radiative losses in emissive organic semiconductors is realized by decoupling excitons from high-frequency vibrations.
- Pratyush Ghosh
- , Antonios M. Alvertis
- & Akshay Rao
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Nature Podcast |
Alphafold 3.0: the AI protein predictor gets an upgrade
Deepmind’s protein-structure predictor adds other molecules to the mix, and a big step towards a ‘nuclear clock’.
- Benjamin Thompson
- & Nick Petrić Howe
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News |
Best ever clocks: breakthrough paves way for ultra-precise ‘nuclear’ timekeepers
A clock based on energy shifts in atomic nuclei could transform fundamental-physics research.
- Elizabeth Gibney
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Article |
All-optical subcycle microscopy on atomic length scales
All-optical subcycle microscopy is achieved on atomic length scales, with picometric spatial and femtosecond temporal resolution.
- T. Siday
- , J. Hayes
- & R. Huber
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Article |
Directly imaging spin polarons in a kinetically frustrated Hubbard system
A triangular-lattice Hubbard system realized with ultracold atoms is used to directly image spin polarons, revealing ferromagnetic correlations around a charge dopant, a manifestation of the Nagaoka effect.
- Max L. Prichard
- , Benjamin M. Spar
- & Waseem S. Bakr
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Article
| Open AccessFusion of deterministically generated photonic graph states
Using an optical resonator containing two individually addressable atoms in a single cavity, fusion of deterministically generated photonic graph states to create ring and tree graph states with up to eight qubits is demonstrated.
- Philip Thomas
- , Leonardo Ruscio
- & Gerhard Rempe
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Article |
Self-oscillating polymeric refrigerator with high energy efficiency
We report on a near-zero-power flexible heat pump that uses both electrocaloric and electrostrictive properties of a tailored polymer to create a chip-scale refrigerator device.
- Donglin Han
- , Yingjing Zhang
- & Xiaoshi Qian
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Article
| Open AccessMeasurement of the superfluid fraction of a supersolid by Josephson effect
A new method based on the Josephson effect is described, allowing to measure the superfluid fraction of a supersolid, which captures the effect of spatially periodic modulation leading to reduction in the stiffness of superfluids.
- G. Biagioni
- , N. Antolini
- & G. Modugno
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Article
| Open AccessLithium tantalate photonic integrated circuits for volume manufacturing
Electro-optical photonic integrated circuits based on lithium tantalate perform as well as current state-of-the-art ones using lithium niobate but the material has the advantage of existing commercial uses in consumer electronics, easing the problem of scalability.
- Chengli Wang
- , Zihan Li
- & Tobias J. Kippenberg
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Correspondence |
Beware of graphene’s huge and hidden environmental costs
- Shijie Guo
- , Zihan Cai
- & Qingyuan Ding
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Article |
Quantum control of a cat qubit with bit-flip times exceeding ten seconds
A type of qubit that has inherent resistance to bit-flip errors has been manipulated with a bit-flip time of more than 10 s without losing that error protection.
- U. Réglade
- , A. Bocquet
- & Z. Leghtas
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Research Briefing |
A quantum solid made of electrons: observing the elusive Wigner crystal
In ordinary materials, electrons move too quickly for their negative electric charges to affect their interactions. But at low temperatures and densities, they can be made to crystallize into an exotic type of electron solid — a phenomenon predicted by Eugene Wigner 90 years ago and only now directly observed.
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News & Views |
Intel brings quantum-computing microchips a step closer
By adapting methods for fabricating and testing conventional computer chips, researchers have brought silicon-based quantum computers closer to reality — and to accessing the immense benefits of a mature chipmaking industry.
- Ruoyu Li
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Article
| Open AccessProbing single electrons across 300-mm spin qubit wafers
Using a cryogenic 300-mm wafer prober, a new approach for the testing of hundreds of industry-manufactured spin qubit devices at 1.6 K provides high-volume data on performance, allowing optimization of the complementary metal–oxide–semiconductor (CMOS)-compatible fabrication process.
- Samuel Neyens
- , Otto K. Zietz
- & James S. Clarke
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Obituary |
Allen J. Bard obituary: electrochemist whose techniques underpin clinical diagnostics, materials discovery and more
Innovator who pioneered scanning electrochemical microscopy, bioassays and solar fuels.
- Michael Rose
- & Henry S. White
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News Q&A |
The science of 3 Body Problem: what’s fact and what’s fiction?
Nature spoke to the sci-fi programme’s adviser and two other researchers about the portrayal of PhD scientists and their technologies.
- Sumeet Kulkarni
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News |
Superconductivity hunt gets boost from China’s $220 million physics ‘playground’
From extreme cold to strong magnets and high pressures, the Synergetic Extreme Condition User Facility (SECUF) provides conditions for researching potential wonder materials.
- Gemma Conroy
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Essay |
‘Shut up and calculate’: how Einstein lost the battle to explain quantum reality
By suppressing questions they considered too ‘philosophical’, post-war physicists created an unquestioning orthodoxy that influences science to this day.
- Jim Baggott
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News |
Judge dismisses superconductivity physicist’s lawsuit against university
Ranga Dias sued his university, in part, for allegedly conducting a biased investigation, which found he had committed extensive scientific misconduct.
- Dan Garisto
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Nature Podcast |
How gliding marsupials got their ‘wings’
Researchers find the genetic mutations that allow some marsupials to soar, and an ultra-accurate clock is put through its paces on the high seas.
- Benjamin Thompson
- & Elizabeth Gibney
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News & Views |
Robust optical clocks promise stable timing in a portable package
A highly precise timekeeping instrument has been adapted for the real world. The compact and robust device is smaller than its commercial counterparts and performs comparably in the laboratory and aboard a naval ship.
- Bonnie L. S. Marlow
- & Jonathan Hirschauer
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News |
Atomic clock keeps ultra-precise time aboard a rocking naval ship
The best timepieces tend to be fragile, but a device based on iodine threads the needle between precision and practicality.
- Elizabeth Gibney
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Article
| Open AccessProbing entanglement in a 2D hard-core Bose–Hubbard lattice
By emulating a 2D hard-core Bose–Hubbard lattice using a controllable 4 × 4 array of superconducting qubits, volume-law entanglement scaling as well as area-law scaling at different locations in the energy spectrum are observed.
- Amir H. Karamlou
- , Ilan T. Rosen
- & William D. Oliver
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Article
| Open AccessOptical clocks at sea
Sea-based optical clocks combining a molecular iodine spectrometer, fibre frequency comb and electronics for monitoring and control demonstrate high precision in a smaller volume than active hydrogen masers.
- Jonathan D. Roslund
- , Arman Cingöz
- & Martin M. Boyd
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Article
| Open AccessMulti-project wafers for flexible thin-film electronics by independent foundries
The iconic 6502 microprocessor designed in two key thin-film transistor technologies by independent foundries is used to demonstrate and expand the multi-project wafer approach for flexible electronics.
- Hikmet Çeliker
- , Wim Dehaene
- & Kris Myny
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Article
| Open AccessA high-density and high-confinement tokamak plasma regime for fusion energy
A stable tokamak plasma has been demonstrated with a high plasma density and a high energy confinement quality, both of which are simultaneously important for fusion reactors.
- S. Ding
- , A. M. Garofalo
- & J. M. Hanson
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Article |
One-dimensional proximity superconductivity in the quantum Hall regime
We show that domain walls in minimally twisted bilayer graphene support exceptionally robust proximity superconductivity in the quantum Hall regime.
- Julien Barrier
- , Minsoo Kim
- & A. K. Geim
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Research Highlight |
Detectors deep in South Pole ice pin down elusive tau neutrino
Antarctic observatory gathers the first clear evidence of mysterious subatomic particles from space.
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