中国物理学会期刊网
海外物理新闻

 
Changing the Shape of a Zirconium Nucleus

2018-10-16 18:00:00.0

As zirconium gains neutrons, its nucleus morphs in shape—changing from a soccer ball to an American football—and researchers have found the exact moment of the transition.


[Physics] Published Tue Oct 16, 2018

 
 
Additional Peaks in Graphene’s Band Structure

2018-10-15 18:00:00.0

Researchers observe new features in the band structure of multilayer graphene that point to enhanced electron interactions.


[Physics] Published Mon Oct 15, 2018

 
 
A Physical Model for Neurodegenerative Disease

2018-10-12 18:00:00.0

Author(s): David Lindley

Computer simulations of the diffusion and aggregation of harmful proteins in the brain reproduce the pattern of damage seen in several neurodegenerative diseases.


[Physics 11, 104] Published Fri Oct 12, 2018

doi:10.1103/Physics.11.104
 
 
Arts & Culture: Poetry Takes on Quantum Physics

2018-10-11 18:00:00.0

Poet Amy Catanzano hopes that poetry can help physicists develop a more effective and accurate language to describe the complex ideas of quantum physics.


[Physics 11, 103] Published Thu Oct 11, 2018

doi:10.1103/Physics.11.103
 
 
More Gluons in the Pion

2018-10-10 18:00:00.0

A combined analysis of collider data finds that the gluon contribution to the pion is 3 times larger than earlier estimates.


[Physics] Published Wed Oct 10, 2018

 
 
Programmable Material Inspired by Muscle

2018-10-09 18:00:00.0

A specially designed modular material can adopt many force-generating and energy-storing postures, which could be useful for soft robotics.


[Physics] Published Tue Oct 09, 2018

 
 
Resonant Ionization Spectroscopy Technique Becomes Tabletop Friendly

2018-10-08 18:00:00.0

Author(s): Iain D. Moore

A modified version of a spectroscopic technique used at large-scale radioactive-ion-beam facilities could be used in tabletop experiments.


[Physics 11, 102] Published Mon Oct 08, 2018

doi:10.1103/Physics.11.102
 
 
How to Measure Viscosity Inside Cells

2018-10-05 18:00:00.0

Author(s): Michael Schirber

A noninvasive method measures the viscosity in a cell nucleus by observing the movement and fusion of cellular components.


[Physics 11, 101] Published Fri Oct 05, 2018

doi:10.1103/Physics.11.101
 
 
Nobel Prize—Lasers as Tools

2018-10-04 18:00:00.0

Author(s): Michael Schirber

The 2018 Nobel Prize in Physics goes to innovators in laser physics responsible for optical tweezers and high-intensity, ultrashort optical pulses.


[Physics 11, 100] Published Thu Oct 04, 2018

doi:10.1103/Physics.11.100
 
 
Three Pulses for Clearer Ultrasound Images

2018-10-04 18:00:00.0

Researchers have figured out how to improve contrast and reduce background noise in ultrasound images acquired with a technique that uses air-filled protein structures.


[Physics] Published Thu Oct 04, 2018

 
 
Sound Propagates in a 2D Bose Gas Despite Lack of Collisions

2018-10-03 18:00:00.0

Experiments and simulations indicate that collisionless interactions among atoms in a 2D Bose gas can transmit sound waves.


[Physics] Published Wed Oct 03, 2018

 
 
The Quantum and Classical Sides of a Chemical Reaction

2018-10-02 18:00:00.0

Experiments track a simple molecule dissociating to find when the reaction can be described with a quantum model and when a semiclassical one will do.


[Physics] Published Tue Oct 02, 2018

 
 
Supernova Study Dampens Dark Matter Theory

2018-10-01 18:00:00.0

Author(s): Simeon Bird

A search for lensing of supernovae by black holes comes up empty, leading researchers to conclude that black holes cannot account for all dark matter.


[Physics 11, 97] Published Mon Oct 01, 2018

doi:10.1103/Physics.11.97
 
 
Controversy Continues over Black Holes as Dark Matter

2018-10-01 18:00:00.0

Following recent gravitational-wave detections, black holes have emerged as a possible, though contentious, dark matter candidate.


[Physics 11, 99] Published Mon Oct 01, 2018

doi:10.1103/Physics.11.99
 
 
Q&A: Where Chirality and Science Fiction Collide

2018-09-28 18:00:00.0

Ventsislav Valev explains how tiny, metal particles with a certain “handedness” can be used to make nanosized robots and other devices that appeal to his inner science-fiction fan.


[Physics 11, 98] Published Fri Sep 28, 2018

doi:10.1103/Physics.11.98
 
 
A “Meta” Solution to MRI Inhomogeneities

2018-09-27 18:00:00.0

A simple metamaterial “atom” placed inside an MRI scanner may help create better spatial uniformity in the radio waves that drive the signal.


[Physics] Published Thu Sep 27, 2018

 
 
Reversible Self-Assembly of Macroscopic “Polymers”

2018-09-26 18:00:00.0

Reconfigurable materials step closer to reality with a colloidal system that self-assembles, disassembles, and reassembles into polymer-like chains in response to temperature changes.


[Physics] Published Wed Sep 26, 2018

 
 
Solar Gamma Rays Behaving Strangely

2018-09-25 18:00:00.0

Nearly 10 years of Fermi telescope images show unexpected changes in the numbers and energies of gamma-ray photons coming from the Sun.


[Physics] Published Tue Sep 25, 2018

 
 
Gas Cloud Temperature Constrains Dark Matter

2018-09-24 18:00:00.0

Author(s): Adam Becker

One proposed type of dark matter should heat up cold hydrogen clouds in the Galaxy, so their low temperatures imply limits on this dark matter theory.


[Physics 11, 95] Published Mon Sep 24, 2018

doi:10.1103/Physics.11.95
 
 
Non-Hermitian Topological Systems

2018-09-24 18:00:00.0

Author(s): Miguel A. Bandres and Mordechai Segev

A theoretical framework tries to sort out where topological phases may arise in non-Hermitian systems—which are systems with gain and loss.


[Physics 11, 96] Published Mon Sep 24, 2018

doi:10.1103/Physics.11.96
 
 
A Faster Diamond Magnetometer

2018-09-20 18:00:00.0

Diamond-defect magnetometers can now simultaneously determine all spatial components of a magnetic field, leading to a factor of 4 decrease in measurement times.


[Physics] Published Thu Sep 20, 2018

 
 
Anisotropic Spin Currents in Graphene

2018-09-20 18:00:00.0

Two groups have shown they can create long-lived, polarized spin currents in bilayer graphene.


[Physics] Published Thu Sep 20, 2018

 
 
Circuit Simulates One-Dimensional Quantum System

2018-09-19 18:00:00.0

Author(s): Emanuele Dalla Torre and Eran Sela

An electrical circuit simulates a quantum phase transition induced by the presence of an impurity in a one-dimensional conductor.


[Physics 11, 94] Published Wed Sep 19, 2018

doi:10.1103/Physics.11.94
 
 
Knotted Loops Fall Flat

2018-09-18 18:00:00.0

A knotted loop of metal beads—mimicking a knotted molecule—organizes into a flat horizontal ring when drifting down through a viscous fluid.


[Physics] Published Tue Sep 18, 2018

 
 
Higgs Decay into Bottom Quarks Seen at Last

2018-09-17 18:00:00.0

Author(s): Howard E. Haber

Two CERN experiments have observed the most probable decay channel of the Higgs boson—a milestone in the pursuit to confirm whether this remarkable particle behaves as physicists expect.


[Physics 11, 91] Published Mon Sep 17, 2018

doi:10.1103/Physics.11.91
 
 
Astronomy Students Not Learning the Basics

2018-09-14 18:00:00.0

Author(s): Philip Ball

Nearly half of middle school students in a Norwegian study thought that planets are bigger than stars, even after astronomy instruction.


[Physics 11, 93] Published Fri Sep 14, 2018

doi:10.1103/Physics.11.93
 
 
Meetings: Building Opportunities for Palestinian Science

2018-09-13 18:00:00.0

Physicists gathered in the West Bank to discuss research trends, as well as ways to boost scientific collaboration in the region.


[Physics 11, 92] Published Thu Sep 13, 2018

doi:10.1103/Physics.11.92
 
 
Bismuthates Are Surprisingly Conventional

2018-09-13 18:00:00.0

Photoemission experiments challenge the long-held belief that the high-temperature superconductivity of certain bismuth oxides is of the unconventional type.


[Physics] Published Thu Sep 13, 2018

 
 
Fast-Forwarding the Search for New Particles

2018-09-12 18:00:00.0

Author(s): Daniel Whiteson

A proposed machine-learning approach could speed up the analysis that underlies searches for new particles in high-energy collisions.


[Physics 11, 90] Published Wed Sep 12, 2018

doi:10.1103/Physics.11.90
 
 
How to Create a Ghost Chemical Bond

2018-09-12 18:00:00.0

A series of electric and magnetic pulses applied to an atom could cause one of its electrons to behave as if “bonded” to an empty point in space.


[Physics] Published Wed Sep 12, 2018

 
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