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TABLE OF CONTENTS
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August 2017 Volume 13, Issue 8 |
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 | Editorial Commentary Thesis Books and Arts Research Highlights News and Views Letters Articles Measure for Measure |  | Advertisement |  |  |  | Nature Reviews Materials is an online-only, materials science journal that provides an accurate and balanced discussion on a chosen topic, together with an authoritative voice from experienced researchers. Spanning physics, chemistry, biology and engineering, the journal publishes a broad range of Reviews and Comments from world-leading scientists.
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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. SUBMIT YOUR RESEARCH TODAY |  | |
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Editorial | Top |
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The thing about data p717 doi:10.1038/nphys4238 The rise of big data represents an opportunity for physicists. To take full advantage, however, they need a subtle but important shift in mindset. |
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Commentary | Top |
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The physics of data pp718 - 719 Jeff Byers doi:10.1038/nphys4202 Physicists are accustomed to dealing with large datasets, yet they are fortunate in that the quality of their experimental data is very good. The onset of big data has led to an explosion of datasets with a far more complex structure — a development that requires new tools and a different mindset. |
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Thesis | Top |
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Simple yet successful p720 Mark Buchanan doi:10.1038/nphys4228 |
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Books and Arts | Top |
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Music: Last night a DJ went to space p721 Federico Levi doi:10.1038/nphys4226 |
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Research Highlights | Top |
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Quantum thermodynamics: In the demon's mind | Quantum communication: Satellite to ground control | Plasma physics: Turbulent tabletops | Ultracold gases: A test of scaling | Majorana modes: The new black |
News and Views | Top |
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Letters | Top |
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Testing universality of Efimov physics across broad and narrow Feshbach resonances pp731 - 735 Jacob Johansen, B. J. DeSalvo, Krutik Patel and Cheng Chin doi:10.1038/nphys4130 The emergence of Efimov states in ultracold atomic systems is expected to have a universal behaviour, but a new experimental study defies this expectation, reporting a clear deviation around a narrow Feshbach resonance. |
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Topological triplon modes and bound states in a Shastry–Sutherland magnet pp736 - 741 P. A. McClarty, F. Krüger, T. Guidi, S. F. Parker, K. Refson et al. doi:10.1038/nphys4117 A detailed experimental investigation on the spin excitations in SrCu2(BO3)2 under an external magnetic confirms the existence of topological triplon modes in this experimental realization of the Shastry–Sutherland model. |
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Multidimensional entropy landscape of quantum criticality pp742 - 745 K. Grube, S. Zaum, O. Stockert, Q. Si and H. v. Löhneysen doi:10.1038/nphys4113 Thermal-expansion measurements of CeCu6–xAux reveal the thermodynamic landscape of this material's entropy, offering insights into the behaviour of quantum critical fluctuations as the system approaches its quantum critical point. |
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Quantum Hall drag of exciton condensate in graphene pp746 - 750 Xiaomeng Liu, Kenji Watanabe, Takashi Taniguchi, Bertrand I. Halperin and Philip Kim doi:10.1038/nphys4116 An electronic double layer, subjected to a high magnetic field, can form an exciton condensate: a Bose–Einstein condensate of Coulomb-bound electron–hole pairs. Now, exciton condensation is reported for a graphene/boron-nitride/graphene structure.
See also: News and Views by Muraki |
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Excitonic superfluid phase in double bilayer graphene pp751 - 755 J. I. A. Li, T. Taniguchi, K. Watanabe, J. Hone and C. R. Dean doi:10.1038/nphys4140 Strongly interacting bosons have been predicted to display a transition into a superfluid ground state, similar to Bose–Einstein condensation. This effect is now observed in a double bilayer graphene structure, with excitons as the bosonic particles.
See also: News and Views by Muraki |
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Tunnelling spectroscopy of Andreev states in graphene pp756 - 760 Landry Bretheau, Joel I-Jan Wang, Riccardo Pisoni, Kenji Watanabe, Takashi Taniguchi et al. doi:10.1038/nphys4110 Van der Waals heterostructures provide a tunable platform for probing the Andreev bound states responsible for proximity-induced superconductivity, helping to establish a connection between Andreev physics at finite energy and the Josephson effect. |
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Hotspot-mediated non-dissipative and ultrafast plasmon passage pp761 - 765 Eva-Maria Roller, Lucas V. Besteiro, Claudia Pupp, Larousse Khosravi Khorashad, Alexander O. Govorov et al. doi:10.1038/nphys4120 Strong plasmonic hotspots can facilitate ultrafast energy transfer between metallic nanoparticles with almost no energy loss. |
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Attosecond chronoscopy of electron scattering in dielectric nanoparticles pp766 - 770 L. Seiffert, Q. Liu, S. Zherebtsov, A. Trabattoni, P. Rupp et al. doi:10.1038/nphys4129 Attosecond streaking is used to study the dynamics of electron scattering in dielectric nanoparticles in real time. Revealing the mechanisms involved is the first step towards understanding electron scattering in more complex dielectrics. |
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High-frequency microrheology reveals cytoskeleton dynamics in living cells pp771 - 775 Annafrancesca Rigato, Atsushi Miyagi, Simon Scheuring and Felix Rico doi:10.1038/nphys4104 Microrheology of cells suggests that the dynamics of single filaments in the cytoskeleton dominate at high frequencies. This response can be used to detect differences between cell types and states — including benign and malignant cancer cells.
See also: News and Views by Kroy |
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Articles | Top |
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Proposal for gravitational-wave detection beyond the standard quantum limit through EPR entanglement pp776 - 780 Yiqiu Ma, Haixing Miao, Belinda Heyun Pang, Matthew Evans, Chunnong Zhao et al. doi:10.1038/nphys4118 Quantum metrology can enhance gravitational-wave detection through the use of squeezed states. A new proposal now suggests that with EPR entanglement one can do even better, reaching sensitivities beyond the standard quantum limit.
See also: News and Views by Flaminio |
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Measuring out-of-time-order correlations and multiple quantum spectra in a trapped-ion quantum magnet pp781 - 786 Martin Gärttner, Justin G. Bohnet, Arghavan Safavi-Naini, Michael L. Wall, John J. Bollinger et al. doi:10.1038/nphys4119 Characterizing the correlations of quantum many-body systems is known to be hard, but there are ways around: for example, a new method for measuring out-of-time correlations demonstrated in a Penning trap quantum simulator with over 100 ions.
See also: News and Views by Schleier-Smith |
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A dissipative quantum reservoir for microwave light using a mechanical oscillator pp787 - 793 L. D. Tóth, N. R. Bernier, A. Nunnenkamp, A. K. Feofanov and T. J. Kippenberg doi:10.1038/nphys4121 A microwave cavity optomechanics experiment investigates the interplay between the electromagnetic and mechanical modes and how their roles can be reversed in engineered dissipation. |
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Möbius Kondo insulators pp794 - 798 Po-Yao Chang, Onur Erten and Piers Coleman doi:10.1038/nphys4092 A family of topologically protected Kondo insulators, termed Möbius Kondo insulators, is predicted. A re-analysis of archival resistivity measurements of Ce3Bi4Pt3 and CeNiSn suggests they may be good candidate members of this class. |
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Quasiparticle interference and strong electron-mode coupling in the quasi-one-dimensional bands of Sr2RuO4 pp799 - 805 Zhenyu Wang, Daniel Walkup, Philip Derry, Thomas Scaffidi, Melinda Rak et al. doi:10.1038/nphys4107 The normal state of the ruthenate Sr2RuO4 is not that of a conventional metal but one with enhanced correlation effects, which may help to elucidate the origin of the unconventional superconductivity observed in this material. |
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Mottness at finite doping and charge instabilities in cuprates pp806 - 811 S. Peli, S. Dal Conte, R. Comin, N. Nembrini, A. Ronchi et al. doi:10.1038/nphys4112 The electron dynamics of single-layer Bi2Sr2–xLaxCuO6+δ is studied as a function of doping, revealing the evolution of charge-transfer excitations from incoherent and localized (as in a Mott insulator) to coherent and delocalized (as in a conventional metal). |
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Mixed electrochemical–ferroelectric states in nanoscale ferroelectrics pp812 - 818 Sang Mo Yang, Anna N. Morozovska, Rajeev Kumar, Eugene A. Eliseev, Ye Cao et al. doi:10.1038/nphys4103 Nanoscale ferroelectricity is hard to characterize. Studies of BaTiO3 thin films now reveal a close coupling between the ferroelectric and the surface electrochemical states — a notion important for future applications of ferroelectric nanomaterials. |
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Measure for Measure | Top |
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The invention of dimension p820 Steven T. Bramwell doi:10.1038/nphys4229 Assigning dimensions to physical quantities is not just for practicality. Steven T. Bramwell reflects on the deeper physical connotations of it all. |
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