Nature Physics February Issue

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Advertisement Nature Electronics — now live  Nature Electronics publishes both fundamental and applied research across all areas of electronics, incorporating the work of scientists, engineers and industry. At its core, the journal is concerned with the development of new technologies and understanding the impact of these developments on society.  Read the first issue — free for a limited time    TABLE OF CONTENTS February 2018 Volume 14, Issue 2 Editorial Correspondence Thesis Books and Arts Research Highlights News and Views Perspective Letters Articles Measure for Measure   Advertisement   Nature Spotlight on Nano Carbon Technology in Japan - Catching up with carbon - Japan's historical leadership in the field of nanocarbon research is being challenged. Access free online >>    Advertisement Do you have a career question?  The Naturejobs podcast features one-on-one Q&As, panel discussions and other exclusive content to help scientists with their careers. Hosted on the Naturejobs blog, the podcast is also available on iTunes and Soundcloud. Listen today!   Editorial   Everyone's a critic    p101 doi:10.1038/nphys4359 Correspondence   The dynamics of Van Allen belts revisited    pp102 - 103 Yuri Y. Shprits, Richard B. Horne, Adam C. Kellerman & Alexander Y. Drozdov doi:10.1038/nphys4350 Reply to 'The dynamics of Van Allen belts revisited'    pp103 - 104 I. R. Mann, L. G. Ozeke, S. K. Morley, K. R. Murphy, S. G. Claudepierre et al. doi:10.1038/nphys4351 An early peak in ion channel research    p105 Martin Lindén doi:10.1038/nphys4347 Thesis   Critical response    p106 Mark Buchanan doi:10.1038/nphys4353 Books and Arts   Life, the Universe and almost everything    p107 Nina Meinzer & Ross Cloney doi:10.1038/nphys4352 Research Highlights   Applied mathematics: The discovery of skewness    p108 Federico Levi doi:10.1038/nphys4354 Lasers: Scalable vortices    p108 Jan Philip Kraack doi:10.1038/nphys4355 Topological physics: Hot quantum spin Hall effect    p108 David Abergel doi:10.1038/nphys4356 Statistical mechanics: Einstein by implication    p108 Andreas H. Trabesinger doi:10.1038/nphys4357 Ultra-cold gases: A homogeneous sheet    p108 Yun Li doi:10.1038/nphys4358 News and Views   Molecular physics: Breaking up is hard to do    pp109 - 110 Daniel S. Slaughter & Thomas N. Rescigno doi:10.1038/nphys4308 Free electrons: Ultrafast laser optical pinball    pp110 - 111 Benoit Chalopin & Arnaud Arbouet doi:10.1038/nphys4314 Topological valleytronics: Brought to light    pp111 - 113 Fan Zhang doi:10.1038/nphys4331 Cold molecular collisions: Same object, different symmetry    pp113 - 114 Roland Wester doi:10.1038/nphys3944 Quantum cryptography: The power of independence    pp114 - 115 Artur Ekert doi:10.1038/nphys4346 Physics JOBS of the week Professor in Technical Physics Technical University of Munich (TUM) Junior Research Group Leader Leibniz-Institut für Polymerforschung Dresden e. V. Scientist II The Allen Institute for Brain Science Post-Doctoral Fellowships in Atomic Physics Ron Folman More Science jobs from Physics EVENT International Conference on Physics, Mathematics and Statistics（ICPMS 2018） 12.05.18 "Shanghai, China" More science events from Perspective   Symmetry and emergence    pp116 - 119 Edward Witten doi:10.1038/nphys4348 Letters   Inelastic ponderomotive scattering of electrons at a high-intensity optical travelling wave in vacuum    pp121 - 125 M. Kozák, T. Eckstein, N. Schönenberger & P. Hommelhoff doi:10.1038/nphys4282 Electrons are diffracted by a standing light wave of light, a phenomenon known as the Kapitza–Dirac effect. A generalization of this effect opens perspectives for the manipulation of ultrashort electron wavepackets by intense laser fields. Quantum imaging with incoherently scattered light from a free-electron laser    pp126 - 129 Raimund Schneider, Thomas Mehringer, Giuseppe Mercurio, Lukas Wenthaus, Anton Classen et al. doi:10.1038/nphys4301 The intensity correlations in incoherently scattered X-rays from a free-electron laser can be exploited to image 2D objects with a resolution close to or below the diffraction limit. Anomalous dispersion of microcavity trion-polaritons    pp130 - 133 S. Dhara, C. Chakraborty, K. M. Goodfellow, L. Qiu, T. A. O’Loughlin et al. doi:10.1038/nphys4303 A study of the strong coupling of different exciton species in two-dimensional molybdenum diselenide in a cavity uncovers the rich many-body physics and may lead to new devices. Sign reversal of the order parameter in (Li1−xFex)OHFe1−yZnySe    pp134 - 139 Zengyi Du, Xiong Yang, Dustin Altenfeld, Qiangqiang Gu, Huan Yang et al. doi:10.1038/nphys4299 A scanning tunnelling microscopy study of an intercalated iron selenide-based superconductor reveals a sign change in its superconducting gap function, providing indirect evidence for the origin of the pairing mechanism in this system. Topologically protected refraction of robust kink states in valley photonic crystals    pp140 - 144 Fei Gao, Haoran Xue, Zhaoju Yang, Kueifu Lai, Yang Yu et al. doi:10.1038/nphys4304 A photonic crystal can realize an analogue of a valley Hall insulator, promising more flexibility than in condensed-matter systems to explore these exotic topological states. Heat Coulomb blockade of one ballistic channel    pp145 - 148 E. Sivre, A. Anthore, F. D. Parmentier, A. Cavanna, U. Gennser et al. doi:10.1038/nphys4280 In nanoscale electronic circuits, controlling the flow of heat is essential. A demonstration of a heat Coulomb blockade arising from thermal many-body effects shows that thermal transport follows distinct rules in the quantum regime. Advertisement Nature Collection: 2017 Nobel Prize in Physics  Access this collection of articles from Nature Research to celebrate the award of the 2017 Nobel Prize in Physics to Rainer Weiss, Barry Barish and Kip Thorne — who are recognized "for decisive contributions to the LIGO detector and the observation of gravitational waves". Access here>> Produced with support from:  Coherent Inc.     Articles   Symmetry breaking by quantum coherence in single electron attachment    pp149 - 153 E. Krishnakumar, Vaibhav S. Prabhudesai & Nigel J. Mason doi:10.1038/nphys4289 Resonant electron attachment and subsequent dissociation of diatomic molecules is shown to exhibit spatial asymmetry as a consequence of coherent excitation and subsequent interference between reaction pathways. Cooling quasiparticles in A 3C 60 fullerides by excitonic mid-infrared absorption    pp154 - 159 doi:10.1038/nphys4288 A theoretical framework for interpreting recent observations of light-induced superconductivity in alkali-doped fullerides is proposed and developed. Experimentally probing topological order and its breakdown through modular matrices    pp160 - 165 Zhihuang Luo, Jun Li, Zhaokai Li, Ling-Yan Hung, Yidun Wan et al. doi:10.1038/nphys4281 Fundamental fingerprints of topological orders may be characterized uniquely and purely by experimental means. Here the authors provide a proof of principle demonstration using interferometric measurement in a two-dimensional lattice system. Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB6    pp166 - 172 M. Hartstein, W. H. Toews, Y.-T. Hsu, B. Zeng, X. Chen et al. doi:10.1038/nphys4295 Experimental study of the Kondo insulator SmB6 provides an alternative route to realize a Fermi surface in the absence of a conventional Fermi liquid. Quantum gas microscopy of an attractive Fermi–Hubbard system    pp173 - 177 Debayan Mitra, Peter T. Brown, Elmer Guardado-Sanchez, Stanimir S. Kondov, Trithep Devakul et al. doi:10.1038/nphys4297 The simplest lattice model that allows the investigation of superconductivity with attractive interactions is realized using ultracold quantum gas. The experimental observation provides a lower bound on the strength of s-wave pairing correlations. Unconventional mass enhancement around the Dirac nodal loop in ZrSiS    pp178 - 183 S. Pezzini, M. R. van Delft, L. M. Schoop, B. V. Lotsch, A. Carrington et al. doi:10.1038/nphys4306 A significant enhancement in the effective mass of Dirac-like quasiparticles residing near a nodal loop in the electronic band structure provides evidence for strong correlation effects in a topological semimetal. Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction    pp184 - 190 S. Vogelgesang, G. Storeck, J. G. Horstmann, T. Diekmann, M. Sivis et al. doi:10.1038/nphys4309 A tracing of the phase-ordering kinetics of a charge density wave system demonstrates the potential of ultrafast low-energy electron diffraction for studying phase transitions and ordering phenomena at surfaces and in low-dimensional systems. How drops start sliding over solid surfaces    pp191 - 196 Nan Gao, Florian Geyer, Dominik W. Pilat, Sanghyuk Wooh, Doris Vollmer et al. doi:10.1038/nphys4305 A liquid droplet is shown to slide across a solid surface subject to friction forces analogous with those between two solids. The phenomenon is generic, and closes a gap in our understanding of liquid–solid friction. Measure for Measure   In search of the nuclear clock    p198 Marianna Safronova doi:10.1038/nphys4349 Advertisement Nature Mentoring Collection Offering advice and support to scientist mentors and their mentees  Access the Collection >>    Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. For event advertising opportunities across the Nature Publishing Group portfolio please contact natureevents@nature.com More Nature Events

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