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Synopsis: How Diamond-Like Carbon Films Grow

Wed, 2018-04-18 12:00

Machine-learning-based molecular dynamics simulations explain the growth mechanism of diamond-like amorphous carbon films.

[Physics] Published Wed Apr 18, 2018

Categories: Physics

Synopsis: Hidden Structure of Plasmons

Tue, 2018-04-17 12:00

Calculations of the current density within collective charge oscillations called plasmons reveal a complicated structure that could affect how plasmons reflect off a boundary.

[Physics] Published Tue Apr 17, 2018

Categories: Physics

Viewpoint: Listening for the Cosmic Hum of Black Holes

Mon, 2018-04-16 12:00

Author(s): Neil Cornish

A new analysis technique would allow the gravitational-wave “background” from distant black hole mergers to be detected in days instead of years.

[Physics 11, 36] Published Mon Apr 16, 2018

Categories: Physics

Focus: How 1000 Bacterial Species Can Coexist

Fri, 2018-04-13 12:00

Author(s): Mark Buchanan

The surprising stability of large and diverse bacterial communities can be explained by a model that emphasizes the microbes’ food requirements.

[Physics 11, 37] Published Fri Apr 13, 2018

Categories: Physics

Synopsis: Stretching Graphene Localizes its Electrons

Thu, 2018-04-12 12:00

The electrical properties of a graphene bilayer can be tuned by stretching and rotating one of the bilayer’s sheets.

[Physics] Published Thu Apr 12, 2018

Categories: Physics

Synopsis: Getting More out of Electron Microscopy

Wed, 2018-04-11 12:00

A new analysis technique allows researchers to extract atomic-resolution holographic images of materials using a transmission electron microscope.

[Physics] Published Wed Apr 11, 2018

Categories: Physics

Synopsis: Muons for Nuclear Waste Inspection  

Tue, 2018-04-10 12:00

Muons could be used to check whether spent fuel rods are missing from the casks used to store waste nuclear material.

[Physics] Published Tue Apr 10, 2018

Categories: Physics

Viewpoint: Homing in on Axions?

Mon, 2018-04-09 12:00

Author(s): Frank T. Avignone III

A search for dark matter axions with unprecedented sensitivity tests a previously inaccessible parameter range for these hypothetical particles.

[Physics 11, 34] Published Mon Apr 09, 2018

Categories: Physics

Focus: Neutrinos with a Single Energy

Fri, 2018-04-06 12:00

Author(s): Michael Schirber

Neutrinos in a beam have a wide range of energies, but a new trick allowed researchers to isolate fixed-energy neutrinos, which can improve the precision in future experiments.

[Physics 11, 35] Published Fri Apr 06, 2018

Categories: Physics

Synopsis: Connecting Noisy Single-Cell Dynamics to Smooth Population Growth

Thu, 2018-04-05 12:00

A new theoretical framework connects the exponential growth of a cell population to the stochastic replication of individual cells within the population.

[Physics] Published Thu Apr 05, 2018

Categories: Physics

Synopsis: The Geometry of Arctic Ponds

Wed, 2018-04-04 12:00

A geometric model of meltwater ponds may help predict how the polar ice caps might evolve under future climate changes.

[Physics] Published Wed Apr 04, 2018

Categories: Physics

Synopsis: Splitting the Jets

Tue, 2018-04-03 12:00

The structure of jets emerging from high-energy collisions of lead ions may provide a new way to study the quark-gluon plasma created in those same collisions.

[Physics] Published Tue Apr 03, 2018

Categories: Physics

Focus: Wave Trick May Lead to Wireless Charging at a Distance

Mon, 2018-04-02 12:00

Author(s): Philip Ball

A technique involving wave interference may improve the practicality of charging a phone wirelessly at some distance from the power source.

[Physics 11, 33] Published Mon Apr 02, 2018

Categories: Physics

Viewpoint: Brain Motion Under Impact

Fri, 2018-03-30 12:00

Author(s): Philip Bayly

A numerical study suggests that head impacts primarily induce a few low-frequency, damped modes of vibration in brain tissue, a finding that could inform the design of sports helmets.

[Physics 11, 32] Published Fri Mar 30, 2018

Categories: Physics

Synopsis: Silica’s High-Pressure Phase

Thu, 2018-03-29 12:00

The rapid compression of silica to pressures of 36 GPa and higher transforms it from an amorphous material to a tetragonal crystal.

[Physics] Published Thu Mar 29, 2018

Categories: Physics

Synopsis: Transition to Superlubricity in 2D

Wed, 2018-03-28 12:00

Studying particles sliding over a 2D potential lattice, researchers have observed a phase transition between a frictional regime and a frictionless, “superlubric” regime

[Physics] Published Wed Mar 28, 2018

Categories: Physics

Synopsis: Financial Brownian Motion

Tue, 2018-03-27 12:00

Using data on the activity of individual financial traders, researchers have devised a microscopic financial model that can explain macroscopic market trends.

[Physics] Published Tue Mar 27, 2018

Categories: Physics

Viewpoint: The Hunt for No Neutrinos

Mon, 2018-03-26 12:00

Author(s): Jonathan Engel and Petr Vogel

Four experiments have demonstrated new levels of sensitivity to neutrinoless double-beta decay, a process whose existence would prove that neutrinos are their own antiparticles.

[Physics 11, 30] Published Mon Mar 26, 2018

Categories: Physics

Focus: Barium Ion Detector for Next-Generation Neutrino Studies

Mon, 2018-03-26 12:00

Author(s): David Lindley

A device that can detect individual barium ions could be the heart of an experiment that takes the next step toward probing the nature of the neutrino.

[Physics 11, 31] Published Mon Mar 26, 2018

Categories: Physics

Synopsis: Cosmic Instability Could Have Created Dark Matter

Fri, 2018-03-23 12:00

A proposed instability in the Higgs field could have seeded the Universe with primordial black holes that now serve as dark matter.

[Physics] Published Fri Mar 23, 2018

Categories: Physics