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  • Quantum many-body physics from a gravitational lens
    Nat. Rev. Phys. Pub Date : 2020-09-25
    Hong Liu; Julian Sonner

    The past two decades have seen the emergence of remarkable interconnections among previously remotely related disciplines, such as condensed matter, nuclear physics, gravity and quantum information, fuelled both by experimental advances and by the new powerful theoretical methods offered by holographic duality. In this Review, we sample some recent developments in holographic duality in connection

    更新日期:2020-09-25
  • Light–matter interactions with photonic quasiparticles
    Nat. Rev. Phys. Pub Date : 2020-09-23
    Nicholas Rivera; Ido Kaminer

    Interactions between light and matter play an instrumental role in spectroscopy, sensing, quantum information processing and lasers. In most of these applications, light is considered in terms of electromagnetic plane waves propagating at the speed of light in vacuum. As a result, light–matter interactions can usually be treated as very weak and captured at the lowest order in quantum electrodynamics

    更新日期:2020-09-24
  • From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires
    Nat. Rev. Phys. Pub Date : 2020-09-22
    Elsa Prada; Pablo San-Jose; Michiel W. A. de Moor; Attila Geresdi; Eduardo J. H. Lee; Jelena Klinovaja; Daniel Loss; Jesper Nygård; Ramón Aguado; Leo P. Kouwenhoven

    Inhomogeneous superconductors can host electronic excitations, known as Andreev bound states (ABSs), below the superconducting energy gap. With the advent of topological superconductivity, a new kind of zero-energy ABS with exotic qualities, known as a Majorana bound state (MBS), has been discovered. A special property of MBS wavefunctions is their non-locality, which, together with non-Abelian braiding

    更新日期:2020-09-22
  • Domain-wall engineering and topological defects in ferroelectric and ferroelastic materials
    Nat. Rev. Phys. Pub Date : 2020-09-22
    G. F. Nataf; M. Guennou; J. M. Gregg; D. Meier; J. Hlinka; E. K. H. Salje; J. Kreisel

    Ferroelectric and ferroelastic domain walls are 2D topological defects with thicknesses approaching the unit cell level. When this spatial confinement is combined with observations of emergent functional properties, such as polarity in non-polar systems or electrical conductivity in otherwise insulating materials, it becomes clear that domain walls represent new and exciting objects in matter. In this

    更新日期:2020-09-22
  • Physics in Africa
    Nat. Rev. Phys. Pub Date : 2020-09-18
    Rabia Salihu Sa’id; Ibiyinka Fuwape; Alain Moise Dikandé; Jamal Mimouni; Francis Hasford; Delia Haynes; Igle Gledhill; George Amolo; Omololu Akin-Ojo; Nashwa Eassa

    Africa tends to be isolated and sometimes forgotten when it comes to scientific research and in particular physics. But the region has great potential, being home to the youngest population in the world, and despite a variety of issues, there has been steady, albeit uneven progress towards establishing a scientific infrastructure. Ten African researchers discuss the diverse challenges and opportunities

    更新日期:2020-09-20
  • Collective excitations in 2D materials
    Nat. Rev. Phys. Pub Date : 2020-09-07
    Aleksandr Rodin; Maxim Trushin; Alexandra Carvalho; A. H. Castro Neto

    Research on 2D materials has been one of the fastest-growing fields in condensed matter and materials science research in the past 10 years. The low dimensionality and strong correlations of 2D systems give rise to electronic and structural properties, in the form of collective excitations, that do not have counterparts in ordinary 3D materials used in modern technology. These 2D materials present

    更新日期:2020-09-08
  • Floating upside down
    Nat. Rev. Phys. Pub Date : 2020-09-04
    Ankita Anirban

    A Nature paper shows how vertical oscillations can be used to levitate a fluid and float a boat upside down.

    更新日期:2020-09-05
  • A new kind of big science
    Nat. Rev. Phys. Pub Date : 2020-09-02

    The 5 years since the first detection of gravitational waves have witnessed the rise of multi-messenger astronomy, a field that expands our understanding of astrophysical processes and reshapes the way science is done. The 5 years since the first detection of gravitational waves have witnessed the rise of multi-messenger astronomy, a field that expands our understanding of astrophysical processes and

    更新日期:2020-09-02
  • Understanding dense hydrogen at planetary conditions
    Nat. Rev. Phys. Pub Date : 2020-09-01
    Ravit Helled; Guglielmo Mazzola; Ronald Redmer

    Materials at high pressures and temperatures are of great interest for planetary science and astrophysics, warm dense-matter physics and inertial confinement fusion research. Planetary structure models rely on an understanding of the behaviour of elements and their mixtures under conditions that do not exist on Earth; at the same time, planets serve as natural laboratories for studying materials at

    更新日期:2020-09-02
  • Fast economic indicators
    Nat. Rev. Phys. Pub Date : 2020-08-28
    Andy Haldane; Shiv Chowla

    Faced with an economic crisis as large and rapid as that precipitated by the COVID-19 pandemic, economists have turned to new ‘fast indicators’ based on big data, as Andy Haldane and Shiv Chowla of the Bank of England explain.

    更新日期:2020-08-28
  • Complexity science approach to economic crime
    Nat. Rev. Phys. Pub Date : 2020-08-27
    János Kertész; Johannes Wachs

    János Kertész and Johannes Wachs discuss how complexity science and network science are particularly useful for identifying and describing the hidden traces of economic misbehaviour such as fraud and corruption.

    更新日期:2020-08-27
  • Phase transitions in cell migration
    Nat. Rev. Phys. Pub Date : 2020-08-25
    Caterina A. M. La Porta; Stefano Zapperi

    Phase transitions from a static to a moving phase are observed in a variety of physical systems and are thought to play a key role in cellular assemblies such as healthy and cancerous tissue. Caterina La Porta and Stefano Zapperi discuss how a suitable identification of the control and order parameters can shed light on the nature of phase transitions in cell migration. Caterina La Porta and Stefano

    更新日期:2020-08-25
  • Publisher Correction: Comparing acoustic and optical forces for biomedical research
    Nat. Rev. Phys. Pub Date : 2020-08-21
    Kishan Dholakia; Bruce W. Drinkwater; Monika Ritsch-Marte

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-08-21
  • Comparing acoustic and optical forces for biomedical research
    Nat. Rev. Phys. Pub Date : 2020-08-17
    Kishan Dholakia; Bruce W. Drinkwater; Monika Ritsch-Marte

    The application of acoustic and optical waves to exert non-contact forces on microscopic and mesoscopic objects has grown considerably in importance in the past few decades. Different physical principles govern the acoustic and optical forces, leading to diverse biomedical applications. Biocompatibility is crucial, and useful optical and acoustic forces can be applied in devices that maintain local

    更新日期:2020-08-17
  • Publisher Correction: Emergent mystery in the Kondo insulator samarium hexaboride
    Nat. Rev. Phys. Pub Date : 2020-08-14
    Lu Li; Kai Sun; Cagliyan Kurdak; J. W. Allen

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-08-14
  • How to microwave your tea (but using a kettle is better)
    Nat. Rev. Phys. Pub Date : 2020-08-13
    Ankita Anirban

    A paper in AIP Advances reports on heating liquids in a microwave and proposes a solution for more uniform temperature distribution.

    更新日期:2020-08-14
  • The future is now
    Nat. Rev. Phys. Pub Date : 2020-08-13
    Mansi M. Kasliwal

    Mansi M. Kasliwal, the Principal Investigator of the Global Relay of Observatories Watching Transients Happen (GROWTH) collaboration, shares her enthusiasm about the future of multi-messenger astrophysics. Mansi M. Kasliwal discusses the Global Relay of Observatories Watching Transients Happen (GROWTH) collaboration and shares her enthusiasm about the future of multi-messenger astrophysics.

    更新日期:2020-08-14
  • Sperm swimming is more complicated than thought
    Nat. Rev. Phys. Pub Date : 2020-08-11
    Zoe Budrikis

    A paper in Science Advances shows that the classic picture of sperm cells moving via symmetrical side-to-side wiggling is an artefact of 2D imaging — the actual motion is far more complex.

    更新日期:2020-08-11
  • Emergent mystery in the Kondo insulator samarium hexaboride
    Nat. Rev. Phys. Pub Date : 2020-08-05
    Lu Li; Kai Sun; Cagliyan Kurdak; J. W. Allen

    Samarium hexaboride (SmB6) is an example of a Kondo insulator, in which strong electron correlations cause a band gap to open. SmB6 hosts both a bulk insulating state and a conductive surface state. Within a Fermi-liquid framework, the strongly correlated ground-state electronic structure can be mapped to a simple state resembling a topological insulator. Although uncertainties remain, many experiments

    更新日期:2020-08-05
  • Publisher Correction: New fractional states
    Nat. Rev. Phys. Pub Date : 2020-08-04
    Ankita Anirban

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-08-04
  • Why we edit
    Nat. Rev. Phys. Pub Date : 2020-07-31

    All articles in Nature Reviews Physics are extensively edited in-house before publication. What do we do, and why?

    更新日期:2020-07-31
  • The Supernova Early Warning System
    Nat. Rev. Phys. Pub Date : 2020-07-29
    Alec Habig; Kate Scholberg

    Alec Habig and Kate Scholberg describe the Supernova Early Warning System (SNEWS), an international network of neutrino detectors set up to provide a fast alert to the astronomical community if the participating experiments detect the distinctive burst of neutrinos from a stellar core collapse in or near the Milky Way. Alec Habig and Kate Scholberg describe the Supernova Early Warning System (SNEWS)

    更新日期:2020-07-30
  • Physical foundations and basic properties of magnetic skyrmions
    Nat. Rev. Phys. Pub Date : 2020-07-29
    Alexei N. Bogdanov; Christos Panagopoulos

    Magnetic skyrmions (or vortices) are spatially inhomogeneous spin textures localized in nanoscale cylindrical regions. Their small size and unique stability make skyrmions attractive for the study of spin topology and technologies wherein information is carried by the electron spin in addition to, or instead of, the electron charge. Despite advances in the synthesis of materials in which axisymmetric

    更新日期:2020-07-30
  • Physics for neuromorphic computing
    Nat. Rev. Phys. Pub Date : 2020-07-28
    Danijela Marković; Alice Mizrahi; Damien Querlioz; Julie Grollier

    Neuromorphic computing takes inspiration from the brain to create energy-efficient hardware for information processing, capable of highly sophisticated tasks. Systems built with standard electronics achieve gains in speed and energy by mimicking the distributed topology of the brain. Scaling-up such systems and improving their energy usage, speed and performance by several orders of magnitude requires

    更新日期:2020-07-28
  • Multi-messenger astrophysics and the GRANDMA generation
    Nat. Rev. Phys. Pub Date : 2020-07-24
    Sarah Antier

    Sarah Antier describes the Global Rapid Advanced Network Devoted to the Multi-messenger Addicts (GRANDMA), which aims to identify and characterize the electromagnetic counterparts of gravitational wave sources. Sarah Antier describes the Global Rapid Advanced Network Devoted to the Multi-messenger Addicts (GRANDMA), which aims to identify and characterize the electromagnetic counterparts of gravitational

    更新日期:2020-07-24
  • 40 years of the quantum Hall effect
    Nat. Rev. Phys. Pub Date : 2020-07-23
    Klaus von Klitzing; Tapash Chakraborty; Philip Kim; Vidya Madhavan; Xi Dai; James McIver; Yoshinori Tokura; Lucile Savary; Daria Smirnova; Ana Maria Rey; Claudia Felser; Johannes Gooth; Xiaoliang Qi

    The discovery of the quantum Hall effect (QHE) marked a turning point in condensed-matter physics. The measurement of the Hall resistance showed that electronic resistance could be defined precisely in terms of fundamental constants, even in a disordered and irregular sample. Over the past 40 years, the QHE has inspired new theories and led to experimental discoveries in a range of fields going beyond

    更新日期:2020-07-23
  • Physicochemical hydrodynamics of droplets out of equilibrium
    Nat. Rev. Phys. Pub Date : 2020-07-23
    Detlef Lohse; Xuehua Zhang

    Droplets abound in nature and technology. In general, they are multicomponent, and, when out of equilibrium, have gradients in concentration, implying flow and mass transport. Moreover, phase transitions can occur, in the form of evaporation, solidification, dissolution or nucleation of a new phase. The droplets and their surrounding liquid can be binary, ternary or contain even more components, with

    更新日期:2020-07-23
  • New fractional states
    Nat. Rev. Phys. Pub Date : 2020-07-17
    Ankita Anirban

    A Nature Nanotechnology paper presents evidence of new fractional excitations in monolayer WSe2

    更新日期:2020-07-17
  • The path to the Solar system’s destabilization
    Nat. Rev. Phys. Pub Date : 2020-07-16
    Zoe Budrikis

    The Solar system is chaotic, making its long-term future hard to predict. A paper in Physical Review Letters shows that help may come in the form of instantons, more commonly used in statistical mechanics and gauge field theories.

    更新日期:2020-07-16
  • Electromagnetic counterparts of gravitational wave sources at the Very Large Telescope
    Nat. Rev. Phys. Pub Date : 2020-07-16
    Andrew J. Levan; Peter G. Jonker

    Andrew J. Levan and Peter G. Jonker discuss, on behalf of the Electromagnetic counterparts of gravitational wave sources at the Very Large Telescope (ENGRAVE), how the collaboration was formed and what its goals are in the era of multi-messenger astronomy. Andrew Levan and Peter Jonker discuss, on behalf of the Electromagnetic counterparts of gravitational wave sources at the Very Large Telescope (ENGRAVE)

    更新日期:2020-07-16
  • Publisher Correction: Advances in high-dimensional quantum entanglement
    Nat. Rev. Phys. Pub Date : 2020-07-14
    Manuel Erhard; Mario Krenn; Anton Zeillinger

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-07-14
  • Laboratory spectroscopy techniques to enable observations of interstellar ion chemistry
    Nat. Rev. Phys. Pub Date : 2020-07-07
    Brett A. McGuire; Oskar Asvany; Sandra Brünken; Stephan Schlemmer

    Molecular ions have long been considered key intermediates in the evolution of molecular complexity in the interstellar medium. However, owing to their reactivity and transient nature, ions have historically proved challenging to study in terrestrial laboratory experiments. In turn, their detection and characterization in space is often contingent upon advances in the laboratory spectroscopic techniques

    更新日期:2020-07-07
  • The next decade of XFELs
    Nat. Rev. Phys. Pub Date : 2020-07-03

    In this issue, we look back at the first decade of X-ray free-electron lasers (XFELs) and forward to the challenges and opportunities lying ahead. This month in a dedicated Focus issue, we look back at the first decade of X-ray free-electron lasers (XFELs) and forward to the challenges and opportunities lying ahead.

    更新日期:2020-07-03
  • The first decade of XFELs
    Nat. Rev. Phys. Pub Date : 2020-07-03
    Iulia Georgescu

    Over the past decade, several X-ray free-electron laser (XFEL) facilities have been constructed and started operation worldwide. New, high-repetition XFELs are expected to open to users in the next 5 years.

    更新日期:2020-07-03
  • 25 years of BEC
    Nat. Rev. Phys. Pub Date : 2020-07-03
    Iulia Georgescu

    Twenty-five years ago a paper in Science reported the first observation of the exotic state of matter predicted in the 1920s by Satyendra Nath Bose and Albert Einstein: a Bose–Einstein condensate.

    更新日期:2020-07-03
  • Why is the Hall conductance quantized?
    Nat. Rev. Phys. Pub Date : 2020-07-01
    Spyridon Michalakis

    Why the Hall conductance is quantized was an open problem in condensed matter theory for much of the past 40 years. Spyridon Michalakis who worked on the solution — published in 2015 — gives a personal take on how the field evolved. Why the Hall conductance is quantized was an open problem in condensed matter theory for much of the past 40 years. Spyridon Michalakis who worked on the solution — published

    更新日期:2020-07-01
  • Tools for quantum simulation with ultracold atoms in optical lattices
    Nat. Rev. Phys. Pub Date : 2020-07-01
    Florian Schäfer; Takeshi Fukuhara; Seiji Sugawa; Yosuke Takasu; Yoshiro Takahashi

    After many years of development of the basic tools, quantum simulation with ultracold atoms has now reached the level of maturity at which it can be used to investigate complex quantum processes. Planning of new experiments and upgrading of existing set-ups requires a broad overview of the available techniques, their specific advantages and limitations. This Technical Review aims to provide a comprehensive

    更新日期:2020-07-01
  • Advances in high-dimensional quantum entanglement
    Nat. Rev. Phys. Pub Date : 2020-06-25
    Manuel Erhard; Mario Krenn; Anton Zeilinger

    Since its discovery, quantum entanglement has challenged some of the best established views of the world: locality and reality. Quantum technologies promise to revolutionize computation, communication, metrology and imaging. Here we review conceptual and experimental advances in complex entangled systems involving many multilevel quantum particles. We provide an overview of the latest technological

    更新日期:2020-06-25
  • Growing citation gender gap
    Nat. Rev. Phys. Pub Date : 2020-06-23
    Zoe Budrikis

    Analysis of citation behaviours in neuroscience indicate that papers led by men are cited more than would be expected based on other characteristics; the discrepancy is most prominent in the citation behaviours of men and is getting worse over time.

    更新日期:2020-06-23
  • The Astrophysical Multi-messenger Observatory Network
    Nat. Rev. Phys. Pub Date : 2020-06-23
    Miguel Mostafá

    Miguel Mostafa describes the Astrophysical Multimessenger Observatory Network (AMON), an online network that enables real-time coincidence searches using data from the leading multimessenger observatories and astronomical facilities.

    更新日期:2020-06-23
  • Nanoscale control by chemically vapour-deposited polymers
    Nat. Rev. Phys. Pub Date : 2020-06-19
    Karen K. Gleason

    Chemical vapour deposition (CVD) enables nanoscale control for the synthesis of high-purity polymer thin films. Ultrathin (<20 nm) and ultrasmooth (<1 nm r.m.s. roughness) layers of CVD polymers can conform to the geometry of the growth surface. This Review focuses on CVD polymerization methods adapted from solution chemistry for selectively forming different classes of macromolecules. The mechanistically

    更新日期:2020-06-19
  • Quantum certification and benchmarking
    Nat. Rev. Phys. Pub Date : 2020-06-17
    Jens Eisert; Dominik Hangleiter; Nathan Walk; Ingo Roth; Damian Markham; Rhea Parekh; Ulysse Chabaud; Elham Kashefi

    With the rapid development of quantum technologies, a pressing need has emerged for a wide array of tools for the certification and characterization of quantum devices. Such tools are critical because the powerful applications of quantum information science will only be realized if stringent levels of precision of components can be reached and their functioning guaranteed. This Technical Review provides

    更新日期:2020-06-17
  • Fuzzy graphene for neuron control
    Nat. Rev. Phys. Pub Date : 2020-06-15
    Ankita Anirban

    An article in PNAS demonstrates optical control of neuronal activity using graphene flakes grown on silicon nanowires.

    更新日期:2020-06-15
  • XFEL detectors
    Nat. Rev. Phys. Pub Date : 2020-06-15
    Anna Bergamaschi; Aldo Mozzanica; Bernd Schmitt

    The development of a new generation of detectors has been key to the success of X-ray free-electron lasers (XFELs). Anna Bergamaschi, Aldo Mozzanica and Bernd Schmitt discuss the advances in detector technology made over the past 10 years and examine the challenges presented by emerging high-repetition-rate XFEL facilities.

    更新日期:2020-06-15
  • Creating a diverse international user facility
    Nat. Rev. Phys. Pub Date : 2020-06-11
    Sakura Pascarelli; Serguei Molodtsov; Thomas Tschentscher

    The European XFEL is the first hard X-ray high-repetition-rate free-electron laser facility. Sakura Pascarelli, Serguei Molodtsov and Thomas Tschentscher, scientific directors of the European XFEL, discuss the challenges that lie ahead before the European XFEL can reach its full potential and cater for an international and diverse community of users.

    更新日期:2020-06-11
  • Challenges and opportunities for the next decade of XFELs
    Nat. Rev. Phys. Pub Date : 2020-06-11
    Chi-Chang Kao

    The first decade of X-ray free-electron lasers (XFELs) has led to technological advances and scientific discoveries, but has also highlighted several facility-level challenges. Chi-Chang Kao, Director of SLAC, discusses the lessons to be learned from the first 10 years of operation and shares his thoughts on how facilities can overcome challenges facing XFEL development.

    更新日期:2020-06-11
  • The development of XFELs
    Nat. Rev. Phys. Pub Date : 2020-06-11
    Claudio Pellegrini

    X-ray free-electron lasers (XFELs) have rapidly developed into unique tools for probing diverse systems of interest to different scientific disciplines with angstrom–femtosecond resolution. Claudio Pellegrini provides an overview of the milestones in the development of XFELs and their unique capabilities.

    更新日期:2020-06-11
  • Times of uncertainty
    Nat. Rev. Phys. Pub Date : 2020-06-05

    Epidemiological modelling informs government responses to the COVID-19 pandemic, but confusion abounds about the models. What can physicists do to help?

    更新日期:2020-06-05
  • Longer times and stronger signals
    Nat. Rev. Phys. Pub Date : 2020-06-04
    Ankita Anirban

    Two papers in Nature report strong coupling between photons and free, unbound electrons. This opens up the possibility for higher resolution, ultrafast imaging using lower energy and less-destructive electron beams.

    更新日期:2020-06-04
  • Measuring mechanical stress in living tissues
    Nat. Rev. Phys. Pub Date : 2020-05-28
    Manuel Gómez-González; Ernest Latorre; Marino Arroyo; Xavier Trepat

    Living tissues are active, multifunctional materials capable of generating, sensing, withstanding and responding to mechanical stress. These capabilities enable tissues to adopt complex shapes during development, to sustain those shapes during homeostasis and to restore them during healing and regeneration. Abnormal stress is associated with a broad range of pathological conditions, including developmental

    更新日期:2020-05-28
  • Engineering of microfabricated ion traps and integration of advanced on-chip features
    Nat. Rev. Phys. Pub Date : 2020-05-27
    Zak David Romaszko; Seokjun Hong; Martin Siegele; Reuben Kahan Puddy; Foni Raphaël Lebrun-Gallagher; Sebastian Weidt; Winfried Karl Hensinger

    Atomic ions trapped in electromagnetic potentials have long been used for fundamental studies in quantum physics. Over the past two decades, trapped ions have been successfully used to implement technologies such as quantum computing, quantum simulation, atomic clocks, mass spectrometers and quantum sensors. Advanced fabrication techniques, taken from other established or emerging disciplines, are

    更新日期:2020-05-27
  • Publisher Correction: Controlling the interaction of ultracold alkaline-earth atoms
    Nat. Rev. Phys. Pub Date : 2020-05-26
    Ren Zhang; Yanting Cheng; Peng Zhang; Hui Zhai

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    更新日期:2020-05-26
  • Science in the age of machine learning
    Nat. Rev. Phys. Pub Date : 2020-05-21
    Abbas Ourmazd

    The rise of machine learning is moving research away from tightly controlled, theory-guided experiments towards an approach based on data-driven searches. Abbas Ourmazd describes how this change might profoundly affect our understanding and practice of physics.

    更新日期:2020-05-21
  • Trapped ion quantum computing turns 25
    Nat. Rev. Phys. Pub Date : 2020-05-18
    Iulia Georgescu

    Twenty-five years ago, a paper by Ignacio Cirac and Peter Zoller turned quantum computing from a bold theoretical idea to an experimental race to build an actual device. Today, engineering challenges remain, but first-generation practical quantum computers seem tangible.

    更新日期:2020-05-18
  • Reaching out
    Nat. Rev. Phys. Pub Date : 2020-05-18
    Katherine Mack; Karl Kruszelnicki; Lisa Randall; Jessica Wade; Jim Al-Khalili; Vlatko Vedral

    In the midst of the COVID-19 pandemic, science is crucial to inform public policy. At the same time, mistrust of scientists and misinformation about scientific facts are rampant. Six scientists, actively involved in outreach, reflect on how to build a better understanding and trust of science. In the midst of the COVID-19 pandemic, science is crucial to inform public policy. At the same time, mistrust

    更新日期:2020-05-18
  • Physics unlocked
    Nat. Rev. Phys. Pub Date : 2020-05-15
    Giulia Pacchioni

    During the COVID-19 lockdown, the flourishing of online seminars is opening up the new frontiers of physics to an unprecedented number of scientists.

    更新日期:2020-05-15
  • Non-line-of-sight imaging
    Nat. Rev. Phys. Pub Date : 2020-05-13
    Daniele Faccio; Andreas Velten; Gordon Wetzstein

    Emerging single-photon-sensitive sensors produce picosecond-accurate time-stamped photon counts. Applying advanced inverse methods to process these data has resulted in unprecedented imaging capabilities, such as non-line-of-sight (NLOS) imaging. Rather than imaging photons that travel along direct paths from a source to an object and back to the detector, NLOS methods analyse photons that travel along

    更新日期:2020-05-13
  • Sixty years of lasers
    Nat. Rev. Phys. Pub Date : 2020-05-07

    On the 60th anniversary of the first operation of a laser, let us reflect on the many advances lasers have enabled in various areas of physics.

    更新日期:2020-05-07
  • Accessing the quantum spatial and temporal scales with XFELs
    Nat. Rev. Phys. Pub Date : 2020-05-06
    Jonathan P. Marangos

    X-ray free-electron lasers (XFELs) are unique tools that are making possible time-resolved measurements of structural and electronic dynamics at the quantum spatial and temporal scales. Jonathan Marangos discusses the transformative scientific potential of this capability but also stresses the importance of lowering barriers to access to maximize scientific reach.

    更新日期:2020-05-06
  • Modelling COVID-19
    Nat. Rev. Phys. Pub Date : 2020-05-06
    Alessandro Vespignani; Huaiyu Tian; Christopher Dye; James O. Lloyd-Smith; Rosalind M. Eggo; Munik Shrestha; Samuel V. Scarpino; Bernardo Gutierrez; Moritz U. G. Kraemer; Joseph Wu; Kathy Leung; Gabriel M. Leung

    As the COVID-19 pandemic continues, mathematical epidemiologists share their views on what models reveal about how the disease has spread, the current state of play and what work still needs to be done.

    更新日期:2020-05-06
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