Nature Physics June Issue

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` Advertisement Collection: On Growth and Form Centenary Join Nature in celebrating the centenary of D'Arcy Wentworth Thompson's seminal publication "On Growth and Form". We present an online collection of research and comment reflecting the diversity of explorative activity across the physical and biological sciences over the past 100 years.  Access the On Growth and Form Centenary Collection TABLE OF CONTENTS June 2017 Volume 13, Issue 6 Editorial Correspondence Commentary Thesis Books and Arts Research Highlights News and Views Letters Articles Measure for Measure Subscribe   Facebook   RSS   Recommend to library   Twitter   Editorial Top One ID to rule them all   p519 doi:10.1038/nphys4178 Some Springer Nature journals, including Nature Physics, are mandating Open Researcher and Contributor IDs (ORCIDs) for the corresponding authors of accepted papers. We provide some context to this initiative. Correspondence Top Boundary effects on currents around ciliated larvae   pp520 - 521 George von Dassow, Richard Emlet and Daniel Grünbaum doi:10.1038/nphys4154 See also: Correspondence by Gilpin et al. Reply to 'Boundary effects on currents around ciliated larvae'   pp521 - 522 William Gilpin, Vivek N. Prakash and Manu Prakash doi:10.1038/nphys4166 See also: Correspondence by von Dassow et al. Commentary Top Four decades of open science   pp523 - 525 Bernard L. Hecker doi:10.1038/nphys4160 INSPIRE, the central information resource of the high-energy physics community, pioneered the open dissemination of scientific literature. It has been evolving to keep up with the new technologies and it is not slowing down. Thesis Top The origin of cell division   p526 Mark Buchanan doi:10.1038/nphys4164 Books and Arts Top The right answer   p527 Iulia Georgescu reviews We Have No Idea: A Guide to the Unknown Universe by Jorge Cham and Daniel Whiteson doi:10.1038/nphys4161 Exhibition: The road to bionic man   pp527 - 528 doi:10.1038/nphys4162 Research Highlights Top Special relativity: Ticking clocks | Complexity: Minority report | Topological materials: Top of the hour | Ultracold gases: Search for the seed | Collective phenomena: Honeybee house-hunt News and Views Top Axion searches: Exciting times   pp530 - 531 Maurizio Giannotti doi:10.1038/nphys4139 While axions remain elusive, the CERN Axion Solar Telescope has now reached the interesting region where physics beyond the standard model could be glimpsed. See also: Article by Anastassopoulos et al. Particle physics: Alice in strangeland   pp531 - 532 Francesco Becattini doi:10.1038/nphys4144 An enhanced production of particles with strange quarks has been observed in high-multiplicity proton–proton collisions — an important clue to understand how strange quarks form, and perhaps a hint of the quark–gluon plasma. See also: Letter by Adam et al. Topological photonics: Come to light   pp532 - 533 Alexander B. Khanikaev doi:10.1038/nphys4123 Topological concepts have been demonstrated in microwave photonic systems but laser-written waveguides show the way to topological physics for light at optical frequencies. See also: Article by Noh et al. Quantum electrodynamics: Hyperfine puzzle?   pp533 - 534 Jean-Philippe Karr doi:10.1038/nphys4159 Improved-accuracy measurements of the ground-state hyperfine splitting in highly charged bismuth ions reveal a surprising discrepancy with the predictions of quantum electrodynamics. Physics JOBS of the week Faculty Positions in the Department of Physics Southern University of Science and Technology (SUSTech) Postdoctoral Research Associate – Radiation Physics University of Sydney Professorship W 2 of Experimental Physics Universitat Regensburg Assistant Professor, Tier II Canada Research Chair, High Precision Measurements with Exotic Atoms, Department of Physics & Astronomy University of Calgary More Science jobs from Physics EVENT International Conference on Theoretical and Applied Physics 06.09.17 Yogyakarta, Indonesia More science events from Letters Top Enhanced production of multi-strange hadrons in high-multiplicity proton–proton collisions OPEN   pp535 - 539 ALICE Collaboration doi:10.1038/nphys4111 Quark–gluon plasma is an exotic state of matter that can emerge in heavy nuclei high-energy collisions. The ALICE collaboration reports the first observation of strangeness enhancement in proton–proton collisions, a possible signature of this state. See also: News and Views by Becattini Weak-value amplification of the nonlinear effect of a single photon   pp540 - 544 Matin Hallaji, Amir Feizpour, Greg Dmochowski, Josiah Sinclair and Aephraim M. Steinberg doi:10.1038/nphys4040 Using two entangled optical beams and post-selection, a single photon can have the same effect as eight photons in terms of the induced phase shift. This example illustrates the power of the so-called weak-value amplification. Experimental measurement of the Berry curvature from anomalous transport   pp545 - 550 Martin Wimmer, Hannah M. Price, Iacopo Carusotto and Ulf Peschel doi:10.1038/nphys4050 The Berry curvature is essential to the study of the topological properties of a system, be it solid-state, atomic or photonic. In 1D photonic lattices there is a new clever way of measuring the Berry curvature. Experimental quantum Hamiltonian learning   pp551 - 555 Jianwei Wang, Stefano Paesani, Raffaele Santagati, Sebastian Knauer, Antonio A. Gentile et al. doi:10.1038/nphys4074 With the help of a quantum simulator and Bayesian inference it is possible to determine the unknown Hamiltonian of a quantum system. An experiment demonstrates this using a photonic quantum simulator and a solid-state system. Entanglement area law in superfluid 4He   pp556 - 558 C. M. Herdman, P.-N. Roy, R. G. Melko and A. Del Maestro doi:10.1038/nphys4075 When the entropy of a system scales as a function of its surface area, rather than its volume, it is said to obey an entropy area law. Now, an area law is shown to exist numerically in the entanglement entropy of superfluid helium. Waveform measurement of charge- and spin-density wavepackets in a chiral Tomonaga–Luttinger liquid   pp559 - 562 M. Hashisaka, N. Hiyama, T. Akiho, K. Muraki and T. Fujisawa doi:10.1038/nphys4062 The spatial separation of charge and spin densities in one-dimensional electron systems is the hallmark of Tomonaga–Luttinger physics. Waveform measurements now provide direct evidence for spin–charge separation. Signatures of interaction-induced helical gaps in nanowire quantum point contacts   pp563 - 567 S. Heedt, N. Traverso Ziani, F. Crépin, W. Prost, St. Trellenkamp et al. doi:10.1038/nphys4070 Signatures of spin–momentum-locked gap states in nanowire quantum point contacts that have all-electrical origin could provide the conditions for the quasiparticle excitations required for topological quantum computing. Para-hydrogen raser delivers sub-millihertz resolution in nuclear magnetic resonance   pp568 - 572 Martin Suefke, Sören Lehmkuhl, Alexander Liebisch, Bernhard Blümich and Stephan Appelt doi:10.1038/nphys4076 A method for narrowing the NMR linewidth of specific molecules to the sub-millihertz range — two orders of magnitude below the natural linewidth — could open up new avenues for molecular characterization. Collisionless momentum transfer in space and astrophysical explosions   pp573 - 577 A. S. Bondarenko, D. B. Schaeffer, E. T. Everson, S. E. Clark, B. R. Lee et al. doi:10.1038/nphys4041 Larmor coupling is a collisionless momentum exchange mechanism believed to occur in various astrophysical and space-plasma environments. The phenomenon is now observed in a laboratory experiment. Bulk rectification effect in a polar semiconductor   pp578 - 583 T. Ideue, K. Hamamoto, S. Koshikawa, M. Ezawa, S. Shimizu et al. doi:10.1038/nphys4056 Electrical rectification is usually achieved by layering p-type and n-type materials, but experiments now demonstrate rectification in a bulk polar semiconductor that has inversion-symmetry breaking and strong Rashba spin–orbit coupling. Articles Top New CAST limit on the axion–photon interaction OPEN   pp584 - 590 CAST Collaboration doi:10.1038/nphys4109 Axions are hypothetical light particles that could explain the dark matter. They could be produced in the interior of the Sun and the CERN Axion Solar Telescope sets the best limit on how strongly axions can interact with light. See also: News and Views by Giannotti Ultrafast terahertz control of extreme tunnel currents through single atoms on a silicon surface   pp591 - 598 Vedran Jelic, Krzysztof Iwaszczuk, Peter H. Nguyen, Christopher Rathje, Graham J. Hornig et al. doi:10.1038/nphys4047 Controlling electric currents on the atomic scale requires being able to handle the ultrafast timescales involved. Now, experiments have demonstrated the feasibility of terahertz scanning tunnelling microscopy as a method for doing just that. Orthogonal magnetization and symmetry breaking in pyrochlore iridate Eu2Ir2O7   pp599 - 603 Tian Liang, Timothy H. Hsieh, Jun J. Ishikawa, Satoru Nakatsuji, Liang Fu et al. doi:10.1038/nphys4051 A torque magnetometry study of the pyrochlore iridate Eu2Ir2O7 reveals an unusual symmetry-breaking effect that persists above the Neel temperature of this antiferromagnet. Electron–hole exchange blockade and memory-less recombination in photoexcited films of colloidal quantum dots   pp604 - 610 Andrew F. Fidler, Jianbo Gao and Victor I. Klimov doi:10.1038/nphys4073 Understanding the recombination dynamics in quantum dots is crucial for their use in optoelectronic devices. A photocurrent spectroscopy study shows how two distinct relaxation mechanisms are at play over different timescales. Experimental observation of optical Weyl points and Fermi arc-like surface states    pp611 - 617 Jiho Noh, Sheng Huang, Daniel Leykam, Y. D. Chong, Kevin P. Chen et al. doi:10.1038/nphys4072 Three-dimensional laser-written waveguide arrays are used to demonstrate type-II Weyl points, along with Fermi arc-like surface states, for light at optical wavelengths. See also: News and Views by Khanikaev Advertisement Call for nominations: 2017 John Maddox Prize for Standing up for Science. Recognising the work of individuals who promote science in the face of hostility. Winners will be announced at a reception in London, as well as in Nature, and will receive £2,000. Closing date for nominations is 31st July 2017. Click to learn more   Measure for Measure Top Quantifying the quantum   p618 Stephan Schlamminger doi:10.1038/nphys4158 Stephan Schlamminger looks at the origins of the Planck constant and its current role in redefining the kilogram. Top 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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