Nature Physics October Issue

TABLE OF CONTENTS October 2018 Volume 14, Issue 10 Editorial Thesis Books & Arts Research Highlights News & Views Perspectives Letters Articles Amendments & Corrections Measure for Measure Advertisement Meet the shortlist! The shortlist for this year's Nature Research Awards for Inspiring Science and Innovating Science has been announced. These Awards showcase exceptional achievements of leading women in science and of those who have encouraged girls and women to engage with STEM subjects.  See more about our shortlisted nominees > In partnership with The Estée Lauder Companies. Advertisement Publishing online monthly, Nature Astronomy aims to bring together astronomers, astrophysicists and planetary scientists. In addition to the latest advances in research, we offer Comment and Opinion pieces on topical subjects of relevance to our community, including the societal impact of astronomy and updates on telescopes and space missions. 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Listen today!   Editorial New horizons towards thermalization    p969 doi:10.1038/s41567-018-0326-2 Thesis Defining black holes    p970 Mark Buchanan doi:10.1038/s41567-018-0299-1 Books & Arts Fighting quackery    p971 Leonie Mueck doi:10.1038/s41567-018-0303-9 Research Highlights Live transmission    p972 Abigail Klopper doi:10.1038/s41567-018-0321-7 Light on skyrmions    p972 Andrea Taroni doi:10.1038/s41567-018-0322-6 Mapping the moiré    p972 David Abergel doi:10.1038/s41567-018-0323-5 Let's get practical    p972 Federico Levi doi:10.1038/s41567-018-0324-4 Charmed life    p972 Stefanie Reichert doi:10.1038/s41567-018-0325-3 Physics EVENT IV International Conference on Particle Physics and Astrophysics 22.10.18 Moscow, Russia More science events from News & Views The dark side of neutrons    p973 W. Michael Snow doi:10.1038/s41567-018-0261-2 Building the building blocks    pp974 - 975 Isaac Chuang doi:10.1038/s41567-018-0296-4 Connected development    pp975 - 976 Ben D. MacArthur doi:10.1038/s41567-018-0236-3 An inconsistent friend    pp977 - 978 Matthew F. Pusey doi:10.1038/s41567-018-0293-7 Perspectives Many-body localization and quantum thermalization    pp979 - 983 Ehud Altman doi:10.1038/s41567-018-0305-7 It is the common wisdom that time evolution of a many-body system leads to thermalization and washes away quantum correlations. But one class of system — referred to as many-body localized — defy this expectation. Does gravity come from quantum information?    pp984 - 987 Xiao-Liang Qi doi:10.1038/s41567-018-0297-3 Recent developments have seen concepts originally developed in quantum information theory, such as entanglement and quantum error correction, come to play a fundamental role in understanding quantum gravity. Unscrambling the physics of out-of-time-order correlators    pp988 - 990 Brian Swingle doi:10.1038/s41567-018-0295-5 Letters Tunable photonic heat transport in a quantum heat valve    pp991 - 995 Alberto Ronzani, Bayan Karimi, Jorden Senior, Yu-Cheng Chang, Joonas T. Peltonen et al. doi:10.1038/s41567-018-0199-4 The state of a superconducting circuit qubit governs the photonic heat flow through an integrated assembly, constituting a quantum heat valve that provides a testbed for exploring quantum thermodynamics in a circuit quantum electrodynamics setting. A passive photon–atom qubit swap operation    pp996 - 1000 Orel Bechler, Adrien Borne, Serge Rosenblum, Gabriel Guendelman, Ori Ezrah Mor et al. doi:10.1038/s41567-018-0241-6 Demonstration of a passive swap gate between the states of a fibre-guided photonic qubit and a single atom. Superlight inverse Doppler effect    pp1001 - 1005 Xihang Shi, Xiao Lin, Ido Kaminer, Fei Gao, Zhaoju Yang et al. doi:10.1038/s41567-018-0209-6 The authors theoretically investigate a novel form of a Doppler effect in homogeneous systems with positive refractive index that occurs under certain conditions. It is suggested that this Doppler effect can be experimentally separated from other Doppler effects by using polaritons such as those found in graphene. Enhanced high-harmonic generation from an all-dielectric metasurface    pp1006 - 1010 Hanzhe Liu, Cheng Guo, Giulio Vampa, Jingyuan Linda Zhang, Tomas Sarmiento et al. doi:10.1038/s41567-018-0233-6 The demonstration of substantially enhanced high-harmonic emission from a silicon metasurface suggests a route towards novel photonic devices based on a combination of ultrafast strong-field physics and nanofabrication technology. Topological spin excitations in a three-dimensional antiferromagnet    pp1011 - 1015 Weiliang Yao, Chenyuan Li, Lichen Wang, Shangjie Xue, Yang Dan et al. doi:10.1038/s41567-018-0213-x A neutron scattering study of the three-dimensional antiferromagnet Cu3TeO6 uncovers evidence for topological crossings in the magnon spectra of this system. Entropic effects in cell lineage tree packings    pp1016 - 1021 Jasmin Imran Alsous, Paul Villoutreix, Norbert Stoop, Stanislav Y. Shvartsman & Jörn Dunkel doi:10.1038/s41567-018-0202-0 The organization of small clusters of connected cells confined to an egg chamber during early development can be mapped onto a tree packing problem. Entropically preferred packing configurations are shown to arise more readily in experiment. Acoustic Rabi oscillations between gravitational quantum states and impact on symmetron dark energy    pp1022 - 1026 Gunther Cronenberg, Philippe Brax, Hanno Filter, Peter Geltenbort, Tobias Jenke et al. doi:10.1038/s41567-018-0205-x A spectroscopic approach based on the Rabi resonance method is used to probe the quantum states of ultracold neutrons—and thus their interaction with the gravitational potential of the Earth. Articles Quantum formulation of the Einstein equivalence principle    pp1027 - 1031 Magdalena Zych & Časlav Brukner doi:10.1038/s41567-018-0197-6 The physical conditions that support a geometric interpretation of spacetime, such as the equivalence between rest and inertial mass, are shown not to be necessarily valid in the quantum regime, and a quantum formulation is provided. Measurements in two bases are sufficient for certifying high-dimensional entanglement    pp1032 - 1037 Jessica Bavaresco, Natalia Herrera Valencia, Claude Klöckl, Matej Pivoluska, Paul Erker et al. doi:10.1038/s41567-018-0203-z Certification of high-dimensional entanglement is required for improved quantum communication protocols, and is now shown to be achievable in an efficient manner by measuring quantum states twice in two different bases. Harnessing electro-optic correlations in an efficient mechanical converter    pp1038 - 1042 A. P. Higginbotham, P. S. Burns, M. D. Urmey, R. W. Peterson, N. S. Kampel et al. doi:10.1038/s41567-018-0210-0 A mechanical-mediated quantum-compatible microwave–optical converter achieves high efficiency through a feed-forward protocol that harnesses correlations in the output noise. Routing the emission of a near-surface light source by a magnetic field    pp1043 - 1048 F. Spitzer, A. N. Poddubny, I. A. Akimov, V. F. Sapega, L. Klompmaker et al. doi:10.1038/s41567-018-0232-7 The Kerr and Faraday effects enable routing of light in an applied magnetic field. Now a new class of magneto-optical phenomena is proposed and demonstrated in which light emission is controlled perpendicular to the external magnetic field. Doping the holographic Mott insulator    pp1049 - 1055 Tomas Andrade, Alexander Krikun, Koenraad Schalm & Jan Zaanen doi:10.1038/s41567-018-0217-6 A generalized Mott-insulating state is found theoretically starting from a holographic model. The state has features in common with the conventional variety, and upon doping shares striking similarities with the stripe phases found in cuprates. Coexisting first- and second-order electronic phase transitions in a correlated oxide    pp1056 - 1061 K. W. Post, A. S. McLeod, M. Hepting, M. Bluschke, Yifan Wang et al. doi:10.1038/s41567-018-0201-1 A phase transition between metallic and insulating states is observed to simultaneously happen in two ways at once. The bulk of the sample shows an instantaneous jump in the conductivity, while 1D domain walls show a slow switching into a metallic state. Experimental evidence for ultrafast intermolecular relaxation processes in hydrated biomolecules    pp1062 - 1066 Xueguang Ren, Enliang Wang, Anna D. Skitnevskaya, Alexander B. Trofimov, Kirill Gokhberg et al. doi:10.1038/s41567-018-0214-9 The authors study intermolecular Coulomb decay that occurs in a sample of THF and water in a reaction microscope employing triple-coincidence measurements of two ions and one electron. They find that ICD is a previously unconsidered effect between water and other organic molecules that are hydrogen-bonded, with ICD outpacing proton transfer. Amendments & Corrections Author Correction: Magnetic configuration effects on the Wendelstein 7-X stellarator    p1067 A. Dinklage, C. D. Beidler, P. Helander, G. Fuchert, H. Maaßberg et al. doi:10.1038/s41567-018-0273-y Publisher Correction: Routing the emission of a near-surface light source by a magnetic field    p1067 F. Spitzer, A. N. Poddubny, I. A. Akimov, V. F. Sapega, L. Klompmaker et al. doi:10.1038/s41567-018-0291-9 Author Correction: Higher-order topology in bismuth    p1067 Frank Schindler, Zhijun Wang, Maia G. Vergniory, Ashley M. Cook, Anil Murani et al. doi:10.1038/s41567-018-0308-4 Measure for Measure Whack a mole    p1068 Andrea Taroni doi:10.1038/s41567-018-0306-6 Advertisement Nature Briefing is an essential round-up of science news, opinion and analysis, free in your inbox every weekday. With Nature Briefing, we'll keep you updated on the latest research, so you can focus on yours. Click here to sign up.   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. 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