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TABLE OF CONTENTS

April 2018 Volume 14, Issue 4

Editorial
Comment
Thesis
Books & Arts
Research Highlights
News & Views
Perspectives
Letters
Articles
Measure for Measure
 

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Editorial

 

Quantum possibilities    p321
doi:10.1038/s41567-018-0125-9

Comment

 

A new spin for oxide interfaces    pp322 - 325
J. Varignon, L. Vila, A. Barthélémy & M. Bibes
doi:10.1038/s41567-018-0112-1

Thesis

 

Depths of learning    p326
Mark Buchanan
doi:10.1038/s41567-018-0098-8

Books & Arts

 

Art and the machine    p327
Lina Persechini
doi:10.1038/s41567-018-0110-3

Research Highlights

 

The background story    p328
Andreas H. Trabesinger
doi:10.1038/s41567-018-0118-8

Filmmaking in the family    p328
Abigail Klopper
doi:10.1038/s41567-018-0119-7

Turn it off and on again    p328
David Abergel
doi:10.1038/s41567-018-0120-1

Multidimensional scrambling    p328
Jan Philip Kraack
doi:10.1038/s41567-018-0121-0

Power of crowdsourcing    p328
Yun Li
doi:10.1038/s41567-018-0122-z

News & Views

 

Threes company    pp329 - 330
Benjamin J. Wieder
doi:10.1038/s41567-017-0032-5

Ultimate evidence for the ultimate regime    pp330 - 331
Alexander J. Smits
doi:10.1038/s41567-017-0034-3

Don’t close the gates    pp331 - 333
Samuel V. Scarpino
doi:10.1038/s41567-017-0028-1

Cosmic-ray tracing    pp333 - 334
Julia Becker Tjus
doi:10.1038/s41567-018-0044-9

Quantized, finally    pp334 - 336
Marcel Franz & Dmitry I. Pikulin
doi:10.1038/s41567-018-0100-5

Peace in the pipeline    pp336 - 337
Mitul Luhar
doi:10.1038/s41567-017-0037-0

Cog in the machine    p337
Federico Levi
doi:10.1038/s41567-018-0117-9

Physics
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Perspectives

 

Beyond CMOS computing with spin and polarization    pp338 - 343
Sasikanth Manipatruni, Dmitri E. Nikonov & Ian A. Young
doi:10.1038/s41567-018-0101-4

Letters

 

Superconductivity in few-layer stanene    pp344 - 348
Menghan Liao, Yunyi Zang, Zhaoyong Guan, Haiwei Li, Yan Gong et al.
doi:10.1038/s41567-017-0031-6

Stanene is a single sheet of tin atoms. Here, it is shown that a few stacked layers of stanene can be a superconductor. Changing the thickness of the substrate modifies the form of superconductivity and critical temperature.

 

Three-component fermions with surface Fermi arcs in tungsten carbide    pp349 - 354
J.-Z. Ma, J.-B. He, Y.-F. Xu, B. Q. Lv, D. Chen et al.
doi:10.1038/s41567-017-0021-8

Triply degenerate electronic structure—three-component fermions—protected by crystal symmetries is observed in tungsten carbide. The observed Fermi arcs associated with the surface states provide evidence of the non-trivial topology of the states.

 

Giant spin-splitting and gap renormalization driven by trions in single-layer WS2/h-BN heterostructures    pp355 - 359
Jyoti Katoch, Søren Ulstrup, Roland J. Koch, Simon Moser, Kathleen M. McCreary et al.
doi:10.1038/s41567-017-0033-4

A microfocused angle-resolved photoemission spectroscopy study of single layers of WS2 on hexagonal boron nitride reveals that, upon electron doping, trionic interactions cause a giant increase of the spin splitting in the valence band.

 

Self-hybridization within non-Hermitian localized plasmonic systems    pp360 - 364
Hugo Lourenço-Martins, Pabitra Das, Luiz H. G. Tizei, Raphaël Weil & Mathieu Kociak et al.
doi:10.1038/s41567-017-0023-6

A combined theoretical and experimental study of plasmonic nanostructures reveals a self-hybridization effect that arises from the non-Hermitian eigenmodes of localized surface plasmons.

 

Signatures of a dissipative phase transition in photon correlation measurements    pp365 - 369
Thomas Fink, Anne Schade, Sven Höfling, Christian Schneider & Ataç Imamoglu et al.
doi:10.1038/s41567-017-0020-9

Photon correlation measurements in driven-dissipative systems reveal the dynamical properties of dissipative phase transitions, as shown for optical bistability of cavity polaritons in GaAs.

 

Femtosecond activation of magnetoelectricity    pp370 - 374
D. Bossini, K. Konishi, S. Toyoda, T. Arima, J. Yumoto et al.
doi:10.1038/s41567-017-0036-1

Pump–probe measurements of CuB2O4 reveal non-reciprocal directional dichroism, demonstrating the possibility to optically induce magnetoelectricity in a material on a femtosecond timescale.

 

Interaction modifiers in artificial spin ices    pp375 - 379
Erik Östman, Henry Stopfel, Ioan-Augustin Chioar, Unnar B. Arnalds, Aaron Stein et al.
doi:10.1038/s41567-017-0027-2

Coupling strengths differ between neighbours in square artificial spin ices, resulting in the loss of degeneracy. Introducing mesospins on vertices of the array alleviates this problem, by tuning the strength and ratio of the interaction energies.

 

Amorphous topological insulators constructed from random point sets    pp380 - 385
Noah P. Mitchell, Lisa M. Nash, Daniel Hexner, Ari M. Turner & William T. M. Irvine
doi:10.1038/s41567-017-0024-5

Whether spatial order is required for structures that support topological modes remains unclear. Amorphous arrangements of interacting gyroscopes suggest that topology arises in materials for which the only design principle is the local connectivity.

 

Destabilizing turbulence in pipe flow    pp386 - 390
Jakob Kühnen, Baofang Song, Davide Scarselli, Nazmi Burak Budanur, Michael Riedl et al.
doi:10.1038/s41567-017-0018-3

Turbulence in pipe flows causes substantial friction (and therefore economic) losses. An experimental and numerical study now shows a solution might be to initially enhance turbulent mixing, which subsequently leads to a collapse of turbulence.

 

Critical regimes driven by recurrent mobility patterns of reaction–diffusion processes in networks    pp391 - 395
J. Gómez-Gardeñes, D. Soriano-Paños & A. Arenas
doi:10.1038/s41567-017-0022-7

Taking into account the spatial distribution of population and its mobility, a reaction–diffusion model of an epidemic process reveals several different critical regimes, in which human mobility may even be detrimental to the spread of the disease.

 

Linking high-energy cosmic particles by black-hole jets embedded in large-scale structures    pp396 - 398
Ke Fang & Kohta Murase
doi:10.1038/s41567-017-0025-4

A model that accounts for the high-energy neutrino, gamma-ray and ultrahigh-energy cosmic-ray emissions is proposed, suggesting that they emerge from the cosmic rays accelerated by the black-hole jets in galaxy clusters.

 

Articles

 

Dynamics of interacting fermions under spin–orbit coupling in an optical lattice clock    pp399 - 404
S. L. Bromley, S. Kolkowitz, T. Bothwell, D. Kedar, A. Safavi-Naini et al.
doi:10.1038/s41567-017-0029-0

Many-body effects in an interacting spin-orbit coupled Fermi gas are studied with the help of clock spectroscopy. The results provide a simple view of how strong collective dynamics arise from local interactions in the presence of spin–orbit coupling.

 

A quantum dipolar spin liquid    pp405 - 410
N. Y. Yao, M. P. Zaletel, D. M. Stamper-Kurn & A. Vishwanath
doi:10.1038/s41567-017-0030-7

A large-scale density matrix renormalization group study of the dipolar Heisenberg model reveals evidence for quantum spin liquid ground states on both triangular and kagome lattices.

 

Robust integer and fractional helical modes in the quantum Hall effect    pp411 - 416
Yuval Ronen, Yonatan Cohen, Daniel Banitt, Moty Heiblum & Vladimir Umansky

Helical modes are induced in a high-mobility two-dimensional electron gas without strong spin–orbit coupling. This platform provides a versatile playground for investigating compounded quantum Hall edge states.

 

Wall roughness induces asymptotic ultimate turbulence    pp417 - 423
Xiaojue Zhu, Ruben A. Verschoof, Dennis Bakhuis, Sander G. Huisman, Roberto Verzicco et al.
doi:10.1038/s41567-017-0026-3

Turbulence is seldom confined by boundaries that are perfectly smooth, but wall roughness is usually ignored. A study of flows between rotating cylinders suggests that roughness enhances turbulent transport and alters its scaling behaviour.

 

Measure for Measure

 

Elementary again    p424
Mark W. Keller
doi:10.1038/s41567-018-0108-x

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