In first head-to-head speed test with conventional computing, quantum computer wins
(Phys.org) —A computer science professor at Amherst College who recently devised and conducted experiments to test the speed of a quantum computing system against conventional computing methods will soon ...
Feynman wasn't joking: Modeling quantum dynamics with ground state wavefunctions
Single-atom transistor is 'perfect'
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
Large-scale quantum chip validated
A team of scientists at USC has verified that quantum effects are indeed at play in the first commercial quantum optimization processor.
New material for quantum computing discovered out of the blue
A common blue pigment used in the £5 note could have an important role to play in the development of a quantum computer, according to a paper published today in the journal Nature.
Getting amped: Researchers develop instrument for exploring the cosmos and the quantum world
Researchers at the California Institute of Technology (Caltech) and NASA's Jet Propulsion Laboratory (JPL) have developed a new type of amplifier for boosting electrical signals. The device can be used for ...
MIT researchers build an all-optical transistor
Optical computing—using light rather than electricity to perform calculations—could pay dividends for both conventional computers and quantum computers, largely hypothetical devices that could perform ...
Physicists show self-correcting quantum computers are theoretically possible
143 km: Physicists break quantum teleportation distance
Physicists at the University of Vienna and the Austrian Academy of Sciences have achieved quantum teleportation over a record distance of 143 km. The experiment is a major step towards satellite-based quantum ...
Light particles illuminate the vacuum
Researchers from the Finnish Aalto University and the Technical Research Centre of Finland succeeded in showing experimentally that vacuum has properties not previously observed. According to the laws of ...
Physicists develop revolutionary low-power polariton laser
(Phys.org) —Lasers are an unseen backbone of modern society. They're integral to technologies ranging from high-speed Internet services to Blu-ray players.
An infallible quantum measurement
Entanglement is a key resource for upcoming quantum computers and simulators. Now, physicists in Innsbruck and Geneva realized a new, reliable method to verify entanglement in the laboratory using a minimal ...
Teleported by electronic circuit: Physicists 'beam' information
ETH-researchers cannot "beam" objects or humans of flesh and blood through space yet, a feat sometimes alluded to in science fiction movies. They managed, however, to teleport information from A to B – for the first time ...
Teleportation with engineered quantum systems
A team of University of Queensland physicists has transmitted an atom from one location to another inside an electronic chip.