Navigation Links
Quantum computers counting on carbon nanotubes
Date:3/21/2013

This release is available in German.

Carbon nanotubes can be used as quantum bits for quantum computers. A study by physicists at the Technische Universitaet Muenchen has shown how nanotubes can store information in the form of vibrations. Up to now, researchers have experimented primarily with electrically charged particles. Because nanomechanical devices are not charged, they are much less sensitive to electrical interference.

Using quantum mechanical phenomena, computers could be much more powerful than their classical digital predecessors. Scientists all over the world are working to explore the basis for quantum computing. To date most systems are based on electrically charged particles that are held in an "electromagnetic trap." A disadvantage of these systems is that they are very sensitive to electromagnetic interference and therefore need extensive shielding. Physicists at the Technische Universitaet Muenchen have now found a way for information to be stored and quantum mechanically processed in mechanical vibrations.

Playing a nano-guitar

A carbon nanotube that is clamped at both ends can be excited to oscillate. Like a guitar string, it vibrates for an amazingly long time. "One would expect that such a system would be strongly damped, and that the vibration would subside quickly," says Simon Rips, first author of the publication. "In fact, the string vibrates more than a million times. The information is thus retained up to one second. That is long enough to work with."

Since such a string oscillates among many physically equivalent states, the physicists resorted to a trick: an electric field in the vicinity of the nanotube ensures that two of these states can be selectively addressed. The information can then be written and read optoelectronically. "Our concept is based on available technology," says
'/>"/>

Contact: Dr. Andreas Battenberg
battenberg@zv.tum.de
49-892-891-0510
Technische Universitaet Muenchen
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. Laser-like photons signal major step towards quantum Internet
2. Nature: Smallest vibration sensor in the quantum world
3. Major grant to investigate limits of quantum theory
4. NIST mechanical micro-drum used as quantum memory
5. NIST quantum refrigerator offers extreme cooling and convenience
6. UCSB physicists make discovery in the quantum realm
7. Quantum Cures Announces Breakthrough Approach for Researchers Seeking Cures for Orphan and Rare Diseases
8. Connecting the (quantum) dots
9. NREL and partners demonstrate quantum dots that assemble themselves
10. Quantum devices: Building an innovative future for Canada
11. A quantum dot energy harvester
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Quantum computers counting on carbon nanotubes
(Date:9/2/2014)... , September 2, 2014 Persistence ... Membrane Technology in Pharmaceutical, Biopharma and Life Sciences: ... by 2019" the global membrane technology market for pharmaceutical, biopharma and ... 2014 and is expected to grow at a CAGR ... estimated value of USD 10,886.0 million in 2019. ...
(Date:9/2/2014)... Myriant Corporation, a global renewable chemicals ... agreement with Azelis Group, a specialty chemicals distribution ... in the Nordics, Benelux, France, Iberia, Italy, the ... industrial and base chemicals markets. , “As a ... chemical portfolio with extensive distribution networks providing Myriant ...
(Date:9/2/2014)... , Sept. 2, 2014  Xencor, Inc. (NASDAQ: ... developing engineered monoclonal antibodies for the treatment of ... today announced the appointment of Debra Zack ... the appointment of Lloyd Rowland , senior ... "Debra,s expertise in biologics clinical ...
(Date:9/2/2014)... 2, 2014 /PRNewswire/ - BIOREM Inc. (TSXV: BRM) ("Biorem" or "the ... orders consist of three large odour control systems for waste ... "These orders are consistent with the market resurgence in ... , President and CEO. "After a difficult period of restraint ... beginning to see sales growth. Our lower cost structure, technology ...
Breaking Biology Technology:Global Membrane Technology Market Will Reach $10,886.0 Million in 2019: Persistence Market Research 2Global Membrane Technology Market Will Reach $10,886.0 Million in 2019: Persistence Market Research 3Global Membrane Technology Market Will Reach $10,886.0 Million in 2019: Persistence Market Research 4Global Membrane Technology Market Will Reach $10,886.0 Million in 2019: Persistence Market Research 5Myriant and Azelis Sign European Distribution Agreement for Bio-Succinic Acid 2Xencor Appoints Debra Zack, M.D., Ph.D., Vice President, Clinical Development and Lloyd Rowland, Senior Vice President, Chief Compliance Officer and General Counsel 2Xencor Appoints Debra Zack, M.D., Ph.D., Vice President, Clinical Development and Lloyd Rowland, Senior Vice President, Chief Compliance Officer and General Counsel 3
... Inc. (Nasdaq: IDEV ) today announced that ... Food and Drug Administration (FDA) for,VALSTAR(R). VALSTAR, a ... only product approved by the FDA for therapy ... the,urinary bladder. VALSTAR was removed from the ...
... Extracranial Resources Benefits Baltimore ... Area and ... Cancer Center at Johns Hopkins Medicine is adding an Elekta,Synergy(R) S ... Johns Hopkins aims to fight cancer with,both intracranial and extracranial resources ...
... Balance of Year, SAN DIEGO, Aug. 17 ... Noble Financial Equity,Conference at 11:30 a.m. EDT on Tuesday, ... South Carolina. William Spencer, Imagenetix,s Chief Executive Officer ... and prospects for the,Company. Commenting on the prospects, Mr. ...
Cached Biology Technology:Indevus Receives Approvable Letter From FDA for VALSTAR(R) for Bladder Cancer Therapy 2Indevus Receives Approvable Letter From FDA for VALSTAR(R) for Bladder Cancer Therapy 3Indevus Receives Approvable Letter From FDA for VALSTAR(R) for Bladder Cancer Therapy 4Johns Hopkins to add Elekta Synergy S(R) to Cancer Treatment Lineup 2Johns Hopkins to add Elekta Synergy S(R) to Cancer Treatment Lineup 3Imagenetix Inc. to Present at Noble Small Cap Financial Conference on August 21, 2007 2
(Date:9/2/2014)... hot oven, you rapidly pull your hand away. Although ... and responding to such painful stimuli, they are still ... made a surprising discovery about the role of a ... built a structural model of the molecule. These discoveries, ... help direct new strategies to treat pain in people. ...
(Date:9/1/2014)... of research shows an association between TV viewing and ... a new Cornell University study points out that not ... people to eat twice as much as other programs! ... while snacking your mouth will see more action too!" ... article just published in the Journal of the ...
(Date:9/1/2014)... of the U.S. diet showed some modest improvement in ... reduction in the consumption of unhealthy trans fats, but ... rich and the poor. , , An unhealthy diet ... cancers. Eating a healthy diet is an important part ... population trends in diet quality is important because it ...
Breaking Biology News(10 mins):Surprising new role for calcium in sensing pain 2Surprising new role for calcium in sensing pain 3Can action movies make you fat? 2Quality of US diet improves, gap widens for quality between rich and poor 2Quality of US diet improves, gap widens for quality between rich and poor 3
... picture in this kind of article , A detailed ... in activating the Epstein Barr Virus in human cells has ... Laboratory (EMBL) and the Institut de Virologie Moléculaire et Structurale ... in Grenoble. , Like Sleeping Beauty, the Epstein Barr Virus ...
... leading plant science centre have uncovered a gene that could ... able to cope with the changing world climate. Researchers funded ... the John Innes Centre in Norwich have identified the gene ... changes in the length of the day. This is key ...
... avian flu conference last fall believe there is little chance ... enough vaccine or antiviral medication to stop a bird flu ... be spread easily from human to human, according to a ... of the survey will be published in the June 2006 ...
Cached Biology News:Waking a sleeping virus 2Growing crops to cope with climate change 2Medical experts: US unlikely to have enough vaccines to stop avian flu 2