Scientists at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have made the first direct measurements, and by far the most precise ones, of how electrons move in sync with atomic vibrations ...
General Physics
Jul 6, 2017
5
1312
The chemical potential is a fundamental concept in condensed matter physics. While the relevant equations which define it can be found in any undergraduate physics textbook, its temperature dependence in systems which are ...
General Physics
May 24, 2017
0
7
The measured mass of electrons in solids is always larger than the value predicted by theory. The reason for this is that theoretical calculations do not account properly for various interactions with other electrons or lattice ...
General Physics
May 1, 2017
0
26
The recently-discovered material K2Cr3As3 has a structure consisting of parallel Cr-As chains, which gives an opportunity to study the exotic behaviour which is predicted to occur when electrons are effectively confined to ...
Condensed Matter
Mar 27, 2017
0
17
EPFL scientists have been able to measure the ultrashort time delay in electron photoemission without using a clock. The discovery has important implications for fundamental research and cutting-edge technology.
General Physics
Feb 8, 2017
4
2519
Tiny relativistic effects form the basis of the functionalities in modern technology, as exemplified in magnetic hard disks and data storage media. Now for the first time, scientists have directly observed features in an ...
General Physics
Dec 21, 2016
1
51
Topological insulators are materials that let electric current flow across their surface while keeping it from passing it through their bulk. This exotic property makes topological insulators very promising for electricity ...
Condensed Matter
Dec 14, 2015
0
1457
Ultrafast laser techniques helped MIT physics graduate student Fahad Mahmood and colleagues establish that electrons form charge-density waves in the thin-film superconductive material LSCO cuprate.
Superconductivity
Dec 10, 2015
2
531
If you want to understand how novel phases emerge in correlated materials, including high-temperature superconductivity and nanoscale electronic order, you can obtain completely new viewpoints by taking 'snapshots' of underlying ...
General Physics
Jun 12, 2015
1
977
Could graphene turn light to electricity? Scientists have shown that graphene can convert a single photon into multiple electrons, showing much promise for future photovoltaic devices.
Nanophysics
Jan 19, 2015
16
380
