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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 5 λεπτά 58 δευτερόλεπτα

Topologically protected refraction of robust kink states in valley photonic crystals

Δευ, 13/11/2017 - 00:00

Topologically protected refraction of robust kink states in valley photonic crystals

Topologically protected refraction of robust kink states in valley photonic crystals, Published online: 13 November 2017; doi:10.1038/nphys4304

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A photonic crystal can realize an analogue of a valley Hall insulator, promising more flexibility than in condensed-matter systems to explore these exotic topological states.

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How drops start sliding over solid surfaces

Δευ, 06/11/2017 - 00:00

How drops start sliding over solid surfaces

How drops start sliding over solid surfaces, Published online: 06 November 2017; doi:10.1038/nphys4305

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A liquid droplet is shown to slide across a solid surface subject to friction forces analogous with those between two solids. The phenomenon is generic, and closes a gap in our understanding of liquid–solid friction.

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Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction

Δευ, 06/11/2017 - 00:00

Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction

Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction, Published online: 06 November 2017; doi:10.1038/nphys4309

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A tracing of the phase-ordering kinetics of a charge density wave system demonstrates the potential of ultrafast low-energy electron diffraction for studying phase transitions and ordering phenomena at surfaces and in low-dimensional systems.

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Unconventional mass enhancement around the Dirac nodal loop in ZrSiS

Δευ, 06/11/2017 - 00:00

Unconventional mass enhancement around the Dirac nodal loop in ZrSiS

Unconventional mass enhancement around the Dirac nodal loop in ZrSiS, Published online: 06 November 2017; doi:10.1038/nphys4306

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A significant enhancement in the effective mass of Dirac-like quasiparticles residing near a nodal loop in the electronic band structure provides evidence for strong correlation effects in a topological semimetal.

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Soft matter: Sticky fingers

Πέμ, 02/11/2017 - 00:00

Soft matter: Sticky fingers

Soft matter: Sticky fingers, Published online: 02 November 2017; doi:10.1038/nphys4313

Many-body localization: Going long

Πέμ, 02/11/2017 - 00:00

Many-body localization: Going long

Many-body localization: Going long, Published online: 02 November 2017; doi:10.1038/nphys4317

Ripples in spacetime

Πέμ, 02/11/2017 - 00:00

Ripples in spacetime

Ripples in spacetime, Published online: 02 November 2017; doi:10.1038/nphys4321

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The 2017 Nobel prize in Physics has been awarded to Rainer Weiss, Barry C. Barish and Kip S. Thorne “for decisive contributions to the LIGO detector and the observation of gravitational waves”.

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Quantum anomalous hall effect: Honeycomb recipe

Πέμ, 02/11/2017 - 00:00

Quantum anomalous hall effect: Honeycomb recipe

Quantum anomalous hall effect: Honeycomb recipe, Published online: 02 November 2017; doi:10.1038/nphys4319

Celebrate the scientific hierarchy

Πέμ, 02/11/2017 - 00:00

Celebrate the scientific hierarchy

Celebrate the scientific hierarchy, Published online: 02 November 2017; doi:10.1038/nphys4300

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The validity of our scientific descriptions of reality does not hinge on their emergence from a more fundamental theory.

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When lost in a multiverse

Πέμ, 02/11/2017 - 00:00

When lost in a multiverse

When lost in a multiverse, Published online: 02 November 2017; doi:10.1038/nphys4310

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Wonder material graphene makes metrology practical and relaxed, says Andre Geim.

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Gas detection: Sensor extraordinaire

Πέμ, 02/11/2017 - 00:00

Gas detection: Sensor extraordinaire

Gas detection: Sensor extraordinaire, Published online: 02 November 2017; doi:10.1038/nphys4316

Biomechanics: Split sites

Πέμ, 02/11/2017 - 00:00

Biomechanics: Split sites

Biomechanics: Split sites, Published online: 02 November 2017; doi:10.1038/nphys4320

Quantum imaging with incoherently scattered light from a free-electron laser

Δευ, 30/10/2017 - 00:00

Quantum imaging with incoherently scattered light from a free-electron laser

Nature Physics, Published online: 30 October 2017; doi:10.1038/nphys4301

The intensity correlations in incoherently scattered X-rays from a free-electron laser can be exploited to image 2D objects with a resolution close to or below the diffraction limit.

Anomalous dispersion of microcavity trion-polaritons

Δευ, 30/10/2017 - 00:00

Anomalous dispersion of microcavity trion-polaritons

Nature Physics, Published online: 30 October 2017; doi:10.1038/nphys4303

A study of the strong coupling of different exciton species in two-dimensional molybdenum diselenide in a cavity uncovers the rich many-body physics and may lead to new devices.

The physics of quantum materials

Δευ, 30/10/2017 - 00:00

The physics of quantum materials

Nature Physics, Published online: 30 October 2017; doi:10.1038/nphys4302

This Review surveys the electronic properties of quantum materials through the prism of the electron wavefunction, and examines how its entanglement and topology give rise to a rich variety of quantum states and phases.

A scientist walks into a bar

Δευ, 23/10/2017 - 00:00

A scientist walks into a bar

Nature Physics, Published online: 23 October 2017; doi:10.1038/nphys4307

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.

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