Physics

Particle physicists discuss JUNO neutrino experiment

The construction of the facilities for the JUNO neutrino experiment has been initiated with an official groundbreaking ceremony near the south Chinese city of Jiangmen. Involved in the Jiangmen Underground Neutrino Observatory (JUNO) will be more than fifty institutions from China, the US and Europe - with six from Germany alone. Starting in 2020, JUNO will begin to produce new information about the particle characteristics of the neutrino.

Researchers use sound to slow down, speed up, and block light

How do you make an optical fiber transmit light only one way? Researchers have experimentally demonstrated, for the first time, the phenomenon of Brillouin Scattering Induced Transparency (BSIT), which can be used to slow down, speed up, and block light in an optical waveguide. The BSIT phenomenon permits light to travel in the forward direction while light traveling in the backward direction is strongly absorbed. This non-reciprocal behavior is essential for building isolators and circulators.

Nanoscale mirrored cavities amplify, connect quantum memories

Constructing tiny "mirrors" to trap light increases the efficiency with which photons can pick up and transmit information about electronic spin states -- which is essential for scaling up quantum memories for functional quantum computing systems and networks.

Researchers tune friction in ionic solids at the nanoscale

New experiments have uncovered a way of controlling friction on ionic surfaces at the nanoscale using electrical stimulation and ambient water vapor.

New pathway to valleytronics: Femtosecond laser used to manipulate valley excitons

Researchers have uncovered a promising new pathway to valleytronics, a potential quantum computing technology in which information is coded based on the wavelike motion of electrons moving through certain 2-D semiconductors.

The laser pulse that gets shorter all by itself

A new method of creating ultra short laser pulses has been created: Just by sending a pulse through a cleverly designed fiber, it can be compressed by a factor of 20.

NASA’s Dawn Spacecraft Captures Best-Ever View of Dwarf Planet

NASA’s Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres. The images were taken 147,000 miles (237,000 kilometers) from Ceres on Jan. 25, and represent a new milestone for a spacecraft that soon will become the first human-made probe to visit a dwarf planet.

New pathway to valleytronics

A potential avenue to quantum computing currently generating quite the buzz in the high-tech industry is "valleytronics," in which information is coded based on the wavelike motion of electrons moving through certain two-dimensional (2D) semiconductors. Now, a promising new pathway to valleytronic technology has been uncovered by researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab).

Broadest set of results to date about the properties of the Higgs boson

With the Large Hadron Collider (LHC) preparing to restart in a few months, data from its first run has already been bearing fruit.

New portable vacuum standard

A novel Portable Vacuum Standard (PVS) has been added to the roster of NIST's Standard Reference Instruments (SRI). It is now available for purchase as part of NIST's ongoing commitment to disseminate measurement standards and thereby reduce the need for the expensive and time-consuming process of transporting customer instruments to NIST for calibration.

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