中国物理学会期刊网
海外物理新闻

 
Shorter Oars Make for Faster Boats

2019-06-06 18:00:00

Adjusting the length of an oar by a few centimeters could enable elite rowers to gain an edge over their competitors—for amateur rowers, not so much.


[Physics 12, 63] Published Thu Jun 06, 2019

doi:10.1103/Physics.12.63
 
 
Tuning an Atom’s Magnetic Field

2019-06-06 18:00:00

Researchers modify the magnetic field of a single atom, demonstrating a potential way to store information in tiny devices of the future.


[Physics] Published Thu Jun 06, 2019

 
 
How a Pentaquark is Put Together

2019-06-05 18:00:00

New Large Hadron Collider data reveal that exotic quark quintets, discovered in 2016, are composites of quark-antiquark mesons and three-quark baryons. ?


[Physics] Published Wed Jun 05, 2019

 
 
Dark Energy Solution for Hubble Tension

2019-06-04 18:00:00

A discrepancy between measurements of the cosmic expansion rate might be resolved by adding an extra form of dark energy.


[Physics] Published Tue Jun 04, 2019

 
 
Photonic Ising Machines Go Big

2019-05-31 18:00:00

Author(s): Charles Roques-Carmes and Marin Solja?i?

A new optical processor for solving hard optimization problems breaks previous size records and is based on a highly scalable technology.


[Physics 12, 61] Published Fri May 31, 2019

doi:10.1103/Physics.12.61
 
 
Collection of Disks Mimics Earthquakes

2019-05-31 18:00:00

Author(s): Michael Schirber

A 2D array of disks under stress has replicated several statistical features of earthquakes, suggesting that this system is an accurate model of seismic phenomena.


[Physics 12, 62] Published Fri May 31, 2019

doi:10.1103/Physics.12.62
 
 
Q&A: A Career Shaped by Mars and Weird Fluids

2019-05-30 18:00:00

Planetary Scientist Tracy Gregg studies how lava, a gasoline-like mixture, and other “weird” fluids mold the landscapes of our Solar System’s planets and moons.


[Physics 12, 57] Published Thu May 30, 2019

doi:10.1103/Physics.12.57
 
 
A Missing Beat in Earth’s Oscillating Wind Patterns

2019-05-30 18:00:00

A new model provides a possible explanation for why Earth’s equatorial winds missed their scheduled direction switch from westerly to easterly flow.


[Physics] Published Thu May 30, 2019

 
 
Charm Reflects Poorly on Anticharm

2019-05-29 18:00:00

Author(s): Hiroaki Aihara

A study of particles containing charm quarks has uncovered a violation of so-called CP?symmetry, which could help in understanding why matter dominates antimatter in the Universe. ?


[Physics 12, 52] Published Wed May 29, 2019

doi:10.1103/Physics.12.52
 
 
First Experimental Demonstration of a Soliton Gas

2019-05-29 18:00:00

Waves in a shallow water tank are made to behave like a gas of solitons, demonstrating an experimental platform for future investigations.


[Physics] Published Wed May 29, 2019

 
 
Pushing Tensor Networks to the Limit

2019-05-28 18:00:00

Author(s): Anastasiia A. Pervishko and Jacob Biamonte

An extension of tensor networks—mathematical tools that simplify the study of complex quantum systems—could allow their application to a broad range of quantum field theory problems.


[Physics 12, 59] Published Tue May 28, 2019

doi:10.1103/Physics.12.59
 
 
Arts & Culture: Students Interpret Physics through Art

2019-05-28 18:00:00

An experimental seminar coopted paintings, poetry, and hip-hop music to teach physics to undergraduate students, who created art projects from the concepts that they learned.


[Physics 12, 60] Published Tue May 28, 2019

doi:10.1103/Physics.12.60
 
 
A Quantum Molecular Assembler

2019-05-24 18:00:00

Author(s): Matteo Rini

Researchers have created a molecule in a single, precisely characterized quantum state by merging two carefully prepared atoms.


[Physics 12, 58] Published Fri May 24, 2019

doi:10.1103/Physics.12.58
 
 
Making Contact with Strongly Interacting Fermions

2019-05-23 18:00:00

Cold-atom experiments probe how likely atoms are to pair up in strongly interacting fermion systems.


[Physics] Published Thu May 23, 2019

 
 
3D Map of a Quantum Dot’s Potential

2019-05-22 18:00:00

Author(s): Belita Koiller

A new experimental method provides a way to determine the 3D confining potential of an electron in a quantum dot, allowing improved control over the electron’s spin.


[Physics 12, 56] Published Wed May 22, 2019

doi:10.1103/Physics.12.56
 
 
How High Schools Teach Quantum Physics

2019-05-22 18:00:00

Researchers analyze secondary school curricula from 15 countries, revealing common themes and a need for emphasizing process over facts.


[Physics] Published Wed May 22, 2019

 
 
New Evidence for Brain Criticality

2019-05-21 18:00:00

Researchers observe a critical point—a feature indicative of a continuous phase transition—in the brain’s electrical activity as it switches from an asleep-like to an awake-like state.


[Physics] Published Tue May 21, 2019

 
 
A Record Number of Atoms Trapped in a Pattern

2019-05-20 18:00:00

Researchers trap 111 neutral atoms in a predefined, defect-free motif using a new method that could, in the foreseeable future, control one million such atoms.


[Physics] Published Mon May 20, 2019

 
 
Longer Movies at Four Trillion Frames per Second

2019-05-17 18:00:00

Author(s): Mark Buchanan

A new technique produces long-lasting movies of nonluminous objects with just a few hundred femtoseconds between frames.


[Physics 12, 55] Published Fri May 17, 2019

doi:10.1103/Physics.12.55
 
 
Tin Gets Kinky

2019-05-16 18:00:00

The observation that tin nuclei suddenly increase in size when the number of neutrons they contain reaches a “magic” number helps test models of nucleon interactions.


[Physics] Published Thu May 16, 2019

 
 
On-Demand Solutions for Black Hole Mergers

2019-05-15 18:00:00

An analytical model may provide a faster and more accurate way to analyze the gravitational-wave signals from black hole mergers.


[Physics] Published Wed May 15, 2019

 
 
A Step Toward Simulating Spin Glasses

2019-05-14 18:00:00

Cavity-mediated interactions can force two Bose-Einstein condensates into one of two mutually exclusive states, potentially allowing for quantum simulation of spin frustration.


[Physics] Published Tue May 14, 2019

 
 
Atomic Force Microscope Images Molecules in 3D

2019-05-13 18:00:00

Author(s): Sébastien Gauthier

A new trick simplifies the atomic force microscope imaging of the 3D structure of nonflat molecules.


[Physics 12, 53] Published Mon May 13, 2019

doi:10.1103/Physics.12.53
 
 
New Patterns for an Old Effect

2019-05-10 18:00:00

Author(s): Philip Ball

Particles that trace the vibration pattern of a surface behave differently underwater—an effect that could potentially allow manipulation of microscopic particles for biomedical purposes.


[Physics 12, 54] Published Fri May 10, 2019

doi:10.1103/Physics.12.54
 
 
Sound-Induced Bubbles for Drug Delivery

2019-05-09 18:00:00

Ultrasound-induced bubble formation, which may benefit drug delivery and other medical procedures, is affected by transitions in surrounding lipid membranes.


[Physics] Published Thu May 09, 2019

 
 
Liquid Jet Coils Around Cylinder

2019-05-08 18:00:00

A water stream can stick to a cylinder, flowing around its surface in a helix-like pattern.


[Physics] Published Wed May 08, 2019

 
 
Bilayer Graphene’s Wicked, Twisted Road

2019-05-06 18:00:00

Author(s): Allan H. MacDonald

Superconductivity, magnetism, and other forms of interacting electron behavior—bilayers of graphene seem to have it all. Researchers are now using this pristine material to unlock the secrets of interacting-electron phenomena with unprecedented control and tunability.


[Physics 12, 12] Published Mon May 06, 2019

doi:10.1103/Physics.12.12
 
 
Revealing the Coherence of Magnons

2019-05-06 18:00:00

Author(s): Stephen M. Wu

A classic experiment with photons inspires a proposed method of measuring the coherence of spin waves.


[Physics 12, 49] Published Mon May 06, 2019

doi:10.1103/Physics.12.49
 
 
Two Types of Cooling Require Different Designs

2019-05-04 18:00:00

Author(s): Michael Schirber

Keeping food cold is thermodynamically different from cooling a hot circuit element—a distinction that is accounted for in the design of a new thermoelectric cooler.


[Physics 12, 50] Published Sat May 04, 2019

doi:10.1103/Physics.12.50
 
 
Mapping Dark Matter in the Milky Way

2019-05-03 18:00:00

New astronomical data are allowing unprecedented measurements of the structure of dark matter in the Galaxy.


[Physics 12, 51] Published Fri May 03, 2019

doi:10.1103/Physics.12.51
 
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