Authors: George Rajna
A new electron microscopy technique that detects the subtle changes in the weight of proteins at the nanoscale—while keeping the sample intact—could open a new pathway for deeper, more comprehensive studies of the basic building blocks of life.  Researchers use a cavity-coupled double quantum dot to study electron-phonon interactions in a nanowire.  Quantum behavior plays a crucial role in novel and emergent material properties, such as superconductivity and magnetism.  A source of single photons that meets three important criteria for use in quantum-information systems has been unveiled in China by an international team of physicists. Based on a quantum dot, the device is an efficient source of photons that emerge as solo particles that are indistinguishable from each other. The researchers are now trying to use the source to create a quantum computer based on "boson sampling". 
Comments: 22 Pages.
[v1] 2019-02-03 07:19:38
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