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Superconductivity Sep 20, 2023

Researchers advance topological superconductors for quantum computing

Quantum computers process information using quantum bits, or qubits, based on fragile, short-lived quantum mechanical states. To make qubits robust and tailor them for applications, researchers from the Department of Energy's ...

Quantum Physics Nov 12, 2020

Efficient production of large-size optical Schrödinger's cat states

A team of young scientists from the Institute of Natural Sciences and Mathematics of South Ural State University, under the guidance of physicist and mathematician Professor Sergei Podoshvedov, have proposed an algorithmic ...

Quantum Physics Oct 22, 2020

Optical wiring for large quantum computers

Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to ...

Quantum Physics Aug 19, 2020

Researchers work to ensure accurate decoding in fragile quantum states

When computers share information with one another, the information gets encoded into bits, then decoded back into its original form. In the process, pieces of the information sometimes get scrambled, or lost. As a simplified ...

Quantum Physics Apr 10, 2020

First sighting of mysterious Majorana fermion on a common metal

Physicists at MIT and elsewhere have observed evidence of Majorana fermions—particles that are theorized to also be their own antiparticle—on the surface of a common metal: gold. This is the first sighting of Majorana ...

Quantum Physics Sep 19, 2019

Engineers using soundwaves to search through big data with more stability and ease

Human beings create a lot of data in the digital age—whether it's through everyday items like social media posts, emails and Google searches, or more complex information about health, finances and scientific findings.

Quantum Physics Nov 16, 2017

Researcher sketches a path toward quantum computing

As new devices move quantum computing closer to practical use, the journal Nature recently asked Princeton computer scientist Margaret Martonosi and two colleagues to assess the state of software needed to exploit this powerful ...

Quantum Physics Oct 7, 2016

Researchers prevent quantum errors from occurring by continuously watching a quantum system

A team of scientists led by Tim Taminiau of QuTech, the quantum institute of TU Delft and TNO, has now experimentally demonstrated that errors in quantum computations can be suppressed by repeated observations of quantum ...

Nanomaterials Jul 3, 2014

From pencil marks to quantum computers

Pick up a pencil. Make a mark on a piece of paper. Congratulations: you are doing cutting-edge condensed matter physics. You might even be making the first mark on the road to quantum computers, according to new Perimeter ...

Quantum Physics Apr 22, 2009

Physicists develop powerful method of suppressing errors in many types of quantum computers

(PhsyOrg.com) -- Researchers at the National Institute of Standards and Technology have demonstrated a technique for efficiently suppressing errors in quantum computers. The advance could eventually make it much easier to ...

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