Navigation Links
A solid case of entanglement
Date:1/11/2010

For the first time, physicists have convincingly demonstrated that physically separated particles in solid-state devices can be quantum-mechanically entangled. The achievement is analogous to the quantum entanglement of light, except that it involves particles in circuitry instead of photons in optical systems. Both optical and solid-state entanglement offer potential routes to quantum computing and secure communications, but solid-state versions may ultimately be easier to incorporate into electronic devices. The experiment is reported in an upcoming issue of Physical Review Letters and highlighted with a Viewpoint in the January 11 issue of Physics (http://physics.aps.org.)

In optical entanglement experiments, a pair of entangled photons may be separated via a beam splitter. Despite their physical separation, the entangled photons continue to act as a single quantum object. A team of physicists from France, Germany and Spain has now performed a solid-state entanglement experiment that uses electrons in a superconductor in place of photons in an optical system.

As conventional superconducting materials are cooled, the electrons they conduct entangle to form what are known as Cooper pairs. In the new experiment, Cooper pairs flow through a superconducting bridge until they reach a carbon nanotube that acts as the electronic equivalent of a beam splitter. Occasionally, the electrons part ways and are directed to separate quantum dots -- but remain entangled. Although the quantum dots are only a micron or so apart, the distance is large enough to demonstrate entanglement comparable to that seen in optical systems.

In addition to the possibility of using entangled electrons in solid-state devices for computing and secure communications, the breakthrough opens a whole new vista on the study of quantum mechanically entangled systems in solid materials.


'/>"/>

Contact: James Riordon
riordon@aps.org
301-209-3238
American Physical Society
Source:Eurekalert  

Page: 1

Related biology technology :

1. SAFC Expands Hi-Potency API Manufacturing and Introduces Solid-Form Testing at Its Madison Facility
2. SeqWright Unveils ABI SOLiD(TM) Next Generation Genetic Analysis System
3. Ranbaxy to Consolidate Position in Biopharmaceuticals and Speciality Injectables Including Oncology
4. SAFC Hitech(TM) Joins Aviza and ST Microelectronics for Solid State Technology ALD Webcast
5. Caliper Life Sciences Introduces Zephyr SPE Workstation to Improve Efficiency of Solid Phase Extraction
6. Masada Teams With Leading Waste Management Firm to Produce Ethanol From Municipal Solid Waste in the Dominican Republic
7. ADVENTRX Announces Consolidation of Clinical and Management Positions
8. UW paper in Science shows how some solids mimic liquids on nanoscale
9. Halogen Announces Record Year - Company Solidifies Leadership Position, Secures Strategic Wins Over Competition
10. Assured Pharmacy Consolidates Portland, Oregon Pharmacy
11. More solid than solid: A potential hydrogen-storage compound
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
A solid case of entanglement
(Date:10/11/2017)... , Oct. 11, 2017  VMS BioMarketing, a leading provider ... nationwide oncology Clinical Nurse Educator (CNE) network, which will launch ... for communication among health care professionals to enhance the patient ... office staff, and other health care professionals to help women ... cancer. ...
(Date:10/10/2017)... ... , ... San Diego-based team building and cooking events company, Lajollacooks4u, has unveiled ... bold new look is part of a transformation to increase awareness, appeal to new ... , It will also expand its service offering from its signature gourmet cooking classes ...
(Date:10/10/2017)... SANTA CRUZ, Calif. , Oct. 10, 2017 /PRNewswire/ ... SBIR grant from the NIH to develop RealSeq®-SC (Single ... preparation kit for profiling small RNAs (including microRNAs) from ... Cell Analysis Program highlights the need to accelerate development ... "New techniques for ...
(Date:10/9/2017)... ... ... At its national board meeting in North Carolina, ARCS® Foundation President ... and Astronomy, has been selected for membership in ARCS Alumni Hall of Fame ... Prize in Fundamental physics for the discovery of the accelerating expansion of the universe, ...
Breaking Biology Technology:
(Date:5/16/2017)... 16, 2017   Bridge Patient Portal , ... MD EMR Systems , an electronic medical ... GE, have established a partnership to build an ... the GE Centricity™ products, including Centricity Practice Solution ... These new integrations will allow healthcare delivery ...
(Date:4/17/2017)... , April 17, 2017 NXT-ID, Inc. ... company, announces the filing of its 2016 Annual Report on Form ... Exchange Commission. ... Form 10-K is available in the Investor Relations section of the ... on the SEC,s website at http://www.sec.gov . 2016 ...
(Date:4/11/2017)... April 11, 2017 No two people ... at the New York University Tandon School of ... have found that partial similarities between prints are ... in mobile phones and other electronic devices can ... The vulnerability lies in the fact that fingerprint-based ...
Breaking Biology News(10 mins):