Topology and entanglement are two powerful principles for characterizing the structure of complex quantum states. In a new paper in the journal Physical Review X, researchers from the University of Pennsylvania establish ...
Quantum Physics
Aug 11, 2022
1
1238
City College of New York physicist Pouyan Ghaemi and his research team are claiming significant progress in using quantum computers to study and predict how the state of a large number of interacting quantum particles evolves ...
Quantum Physics
Jul 27, 2022
0
732
When studying a complex system, scientists identify smaller pieces called subsystems that they can make sense of. By studying subsystems and the correlations between them, they reconstruct an understanding of the whole.
Quantum Physics
Jul 26, 2022
1
3283
A new way of imaging concealed objects, devised by a researcher at the National Institute of Standards and Technology (NIST) and his colleagues, might take all the fun out of hide-and-seek, but could also help save lives.
Optics & Photonics
Jul 20, 2022
0
19
When carbon atoms stack into a perfectly repeating three-dimensional crystal, they can form precious diamonds. Arranged another way, in repetitive flat sheets, carbon makes the shiny gray graphite found in pencils. But there ...
Nanomaterials
Jul 18, 2022
0
54
The quantum vibrations in atoms hold a miniature world of information. If scientists can accurately measure these atomic oscillations, and how they evolve over time, they can hone the precision of atomic clocks as well as ...
Quantum Physics
Jul 14, 2022
2
1629
Theoreticians at the MPSD have demonstrated how the coupling between intense lasers, the motion of electrons, and their spin influences the emission of light on the ultrafast timescale. Their work has been published in npj ...
Condensed Matter
Jul 12, 2022
0
208
Berkeley engineers have created a new type of semiconductor laser that accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining the ability to scale up ...
General Physics
Jun 29, 2022
0
173
A quantum simulator at Rice University is giving physicists a clear look at spin-charge separation, the quantum world's version of the magician's illusion of sawing a person in half.
General Physics
Jun 16, 2022
0
227
Lasers produce coherent waves of light: All the light inside a laser vibrates completely in sync. Meanwhile, quantum mechanics tells us that particles like atoms should also be thought of as waves. As a result, we can build ...
Condensed Matter
Jun 14, 2022
7
5455
