(PhysOrg.com) -- A primitive quantum computer that uses single particles of light (photons) whizzing through a silicon chip has performed its first mathematical calculation. This is the first time a calculation has been performed ...
Quantum Physics
Sep 3, 2009
10
1
Despite steady improvements in quantum computers, they're still noisy and error-prone, which leads to questionable or wrong answers. Scientists predict that they won't truly outcompete today's "classical" supercomputers for ...
Quantum Physics
Jun 14, 2023
0
189
Until recently, it was widely believed among physicists that it was impossible to compress light below the so-called diffraction limit (see below), except when using metal nanoparticles, which unfortunately also absorb light. ...
Optics & Photonics
Oct 26, 2022
0
973
Quantum computing and quantum information processing technology have attracted attention in recently emerging fields. Among many important and fundamental issues in science, solving the Schroedinger equation (SE) of atoms ...
Quantum Physics
Jan 2, 2019
1
983
Scientists at Stanford University and the Department of Energy's SLAC National Accelerator Laboratory have found a way to estimate uncertainties in computer calculations that are widely used to speed the search for new materials ...
Condensed Matter
Jul 10, 2014
0
0
A new discovery about the dynamic impact of individual energetic particles into a solid surface improves our ability to predict surface stability or instability of materials under irradiation over time.
General Physics
Apr 12, 2011
1
0
By the logic of science, things simply shouldn't exist. The best scientific minds of several generations have reasoned that shortly after the Big Bang created the universe, matter and antimatter should have wiped each other ...
General Physics
Jun 2, 2010
30
0
(PhysOrg.com) -- A powerful computing tool that allows scientists to extract features and patterns from enormously large and complex sets of raw data has been developed by scientists at University of California, Davis, and ...
Computer Sciences
Jan 8, 2009
4
0
Just like there are waves in the ocean, waves can also occur in an electrically charged gas called a plasma, made up of electrons and ions. In the ocean, people surf by riding their boards at nearly the same speed as the ...
Plasma Physics
Dec 4, 2023
0
307
Recent advances in spontaneous parametric down-conversion (SPDC)-based quantum light sources based on two-dimensional layered materials have been made by a team led by Prof. Ren Xifeng from the University of Science and Technology ...
Nanophysics
Jan 19, 2023
0
114
