Tag Archives: quantum computing

Computer within a Diamond ‘Breaks New Ground’

Could a diamond be a geek’s best friend?

Working with funding from the National Science Foundation and the US Army Research Office’s Multidisciplinary University Research Initiative, scientists have created a quantum computer inside a diamond.

The computer includes a type of protection against “decoherence” or “noise,” which helps to improve performance.

The demonstration shows the viability of solid-state quantum computers, which – unlike earlier gas- and liquid-state systems – may represent the future of quantum computing because they can be easily scaled up in size. Current quantum computers are typically very small and – though impressive – cannot yet compete with the speed of larger, traditional computers.”

— Announcement, University of Southern California

While practical uses for quantum computers are difficult for some to imagine, others believe such computers could help to factor massive numbers, be used to break codes, or even be used to simulate molecular behavior.

Read the full announcement at http://www.eurekalert.org/pub_releases/2012-04/uosc-qcb040412.php

© Tony Leininger and IT for Good 2012. See sidebar for full copyright notice.


Choreography for Electrons: A Two-Step Closer to Quantum Computing

In a project that started ten years ago, an international team of researchers has attained a “100-fold increase” in the capacity to control electron spin within a solid material. Researchers Stephen Lyon and Alexei Tyryshkin are now able to control the spins of billions of electrons for as much as 10 seconds, which far exceeds previous attempts.

The achievement is considered to be an important milestone in the race toward developing ultrafast quantum computers. Those involved with the project underscored that this is only a step toward a working computer.

How might scientists and others make use of such computers? It’s hard to say at this stage, but some believe a quantum computer could help with factoring massive numbers, breaking codes, or even simulating molecular behavior.

Dig into the details at http://www.eurekalert.org/pub_releases/2012-01/pues-tdo011612.php [an expanded version is available on Princeton’s website].

© Tony Leininger and IT for Good 2012. See sidebar for full copyright notice.