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Nature Physics offers a unique mix of news and reviews alongside top-quality research papers. Published monthly, in print and online, the journal reflects the entire spectrum of physics, pure and applied.
Ενημερώθηκε: πριν από 7 λεπτά 30 δευτερόλεπτα

Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB<sub>6</sub>

Δευ, 23/10/2017 - 00:00

Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB6

Nature Physics, Published online: 23 October 2017; 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

Δευ, 23/10/2017 - 00:00

Quantum gas microscopy of an attractive Fermi–Hubbard system

Nature Physics, Published online: 23 October 2017; 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.

Sign reversal of the order parameter in (Li<sub>1−<i>x</i></sub>Fe<sub><i>x</i></sub>)OHFe<sub>1−<i>y</i></sub>Zn<sub><i>y</i></sub>Se

Δευ, 23/10/2017 - 00:00

Sign reversal of the order parameter in (Li1−xFex)OHFe1−yZnySe

Nature Physics, Published online: 23 October 2017; 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.

Curvature-induced defect unbinding and dynamics in active nematic toroids

Δευ, 23/10/2017 - 00:00

Curvature-induced defect unbinding and dynamics in active nematic toroids

Nature Physics, Published online: 23 October 2017; doi:10.1038/nphys4276

Topological defects in a turbulent active nematic on a toroidal surface are shown to segregate in regions of opposite curvature. Simulations suggest that this behaviour may be controlled — or even suppressed — by tuning the level of activity.

Experimentally probing topological order and its breakdown through modular matrices

Δευ, 16/10/2017 - 00:00

Experimentally probing topological order and its breakdown through modular matrices

Nature Physics, Published online: 16 October 2017; 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.

Symmetry breaking by quantum coherence in single electron attachment

Δευ, 16/10/2017 - 00:00

Symmetry breaking by quantum coherence in single electron attachment

Nature Physics, Published online: 16 October 2017; 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.

Molecular physics: Breaking up is hard to do

Δευ, 16/10/2017 - 00:00

Molecular physics: Breaking up is hard to do

Nature Physics, Published online: 16 October 2017; doi:10.1038/nphys4308

Dissociating hydrogen gas seems like it should be as easy as pulling apart two identical atoms. But resonant electron-impact experiments reveal that quantum interference induces a fundamental asymmetry in the process.

Nobel reactions

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 921 (2017). doi:10.1038/nphys4296

The Nobel Prize, for all its shortcomings and imperfections, remains unmatched when it comes to the kind of emotions it generates.

Optomechanical nonreciprocity

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 922 (2017). doi:10.1038/nphys4283

Authors: Ewold Verhagen & Andrea Alù

The two-way symmetry of electromagnetic wave propagation can be broken effectively in optomechanical systems, enabling new devices that route photons in unconventional ways.

Quantum crystals

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 925 (2017). doi:10.1038/nphys4286

Author: Mark Buchanan

Nuclear magnetic resonance: From strength to strength

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 926 (2017). doi:10.1038/nphys4290

Author: Andreas H. Trabesinger

Quantum physics: Going random

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 926 (2017). doi:10.1038/nphys4291

Author: Federico Levi

Supermassive black holes: Enshrouded in dust

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 926 (2017). doi:10.1038/nphys4292

Author: Iulia Georgescu

Multiferroics: In rare form

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 926 (2017). doi:10.1038/nphys4293

Author: Luke Fleet

Theoretical physics: Bounded diffusion

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 926 (2017). doi:10.1038/nphys4294

Author: Yun Li

Organic spintronics: Window of opportunity

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 928 (2017). doi:10.1038/nphys4284

Author: Christoph Boehme

A crystalline organic semiconductor that combines the long spin-relaxation times of organic semiconductors with the high charge-carrier mobilities typically found in inorganic semiconductors provides unprecedented prospects for organic spintronics.

Insights through dimensions

Τετ, 04/10/2017 - 00:00

Nature Physics 13, 1026 (2017). doi:10.1038/nphys4285

Author: Tina Hecksher

Dimensional analysis is a powerful tool for assessing physical problems, reaffirms Tina Hecksher

The power of universal pictures

Τρί, 05/09/2017 - 00:00

Nature Physics 13, 821 (2017). doi:10.1038/nphys4266

The sky map presented by the Dark Energy Survey showcases the power of images to reach scientists and the wider public alike.

Physics students unite

Τρί, 05/09/2017 - 00:00

Nature Physics 13, 821 (2017). doi:10.1038/nphys4267

The International Conference of Physics Students continues its remarkable tradition.

The risks of accelerated change

Τρί, 05/09/2017 - 00:00

Nature Physics 13, 823 (2017). doi:10.1038/nphys4249

Author: Mark Buchanan

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