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Nina Nadine Ridder

Quantum computer around the corner after Australian scientists make key breakthrough - 1 views

www.abc.net.au/...s4325962.htm

technology quantum_computing science

shared by Nina Nadine Ridder on 07 Oct 15 - No Cached
LeopoldS liked it
  • Nina Nadine Ridder on 07 Oct 15
     
    Australian scientists have cleared one of the final hurdles for designing and building a quantum computer. The team of engineers from the University of New South Wales has successfully built a core component needed for the computer to operate and the work is published today in the journal Nature.
pacome delva

Slowed light breaks record - 0 views

physicsworld.com/...41246

phy slow_light quantum_computation quantum_cryptography BEC

shared by pacome delva on 16 Dec 09 - Cached
  • Kilometre-long pulses of light have been stored for over one second in a 0.1 mm cloud of ultracold atoms – before being revived and sent on their way. This latest demonstration of light storage using electromagnetically induced transparency (EIT) is the first to break the second barrier – using ultracold atoms and has the added bonus of preserving the quantum state of the incoming pulse. The physicists in the US who carried out the experiment say that the work could play a key role in quantum information technology.
pacome delva

Physics - Outsmarting decoherence in a trapped ion quantum computer - 0 views

physics.aps.org/...PhysRevLett.103.200503

phy quantum_computation ion_trap quantum_physics

shared by pacome delva on 03 Dec 09 - Cached
  • This is the first ion trap demonstration of a set of logical gates that are universal for quantum computation
pacome delva

Landmarks: Teleportation is not Science Fiction - 0 views

focus.aps.org/st1

phy quantum_computation quantum_physics quantum_cryptography

shared by pacome delva on 11 Jan 10 - Cached
  • If a practical quantum computer is ever built, he says, it will have to make use of different kinds of quantum bits, perhaps atoms for storage and photons for transmission. So teleportation would be a natural way to connect these components, he says.
pacome delva

Quantum computer takes on quantum chemistry - physicsworld.com - 1 views

physicsworld.com/...41432

phy quantum_computation

shared by pacome delva on 21 Jan 10 - Cached
  • The process is done 20 times to create a 20-bit binary number that represents the energy of the hydrogen molecule to a precision of about one part per million.
  • Aspuru-Guzik described the two-qubit calculation as a "baby step forward," and added that a 128-qubit system would be needed to work out the energy levels of a simple molecule such as water.
Luís F. Simões

Lockheed Martin buys first D-Wave quantum computing system - 1 views

www.dwavesys.com/...pressreleases.html

quantum_computation

shared by Luís F. Simões on 26 May 11 - No Cached
  • D-Wave develops computing systems that leverage the physics of quantum mechanics in order to address problems that are hard for traditional methods to solve in a cost-effective amount of time. Examples of such problems include software verification and validation, financial risk analysis, affinity mapping and sentiment analysis, object recognition in images, medical imaging classification, compressed sensing and bioinformatics.
  • Luís F. Simões on 26 May 11
     
    According to the company's wikipedia page, the computer costs $ 10 million. Can we then declare Quantum Computing has officially arrived?! quotes from elsewhere in the site: "first commercial quantum computing system on the market"; "our current superconducting 128-qubit processor chip is housed inside a cryogenics system within a 10 square meter shielded room" Link to the company's scientific publications. Interestingly, this company seems to have been running a BOINC project, AQUA@home, to "predict the performance of superconducting adiabatic quantum computers on a variety of hard problems arising in fields ranging from materials science to machine learning. AQUA@home uses Internet-connected computers to help design and analyze quantum computing algorithms, using Quantum Monte Carlo techniques". List of papers coming out of it.
pacome delva

Physics - The quantum shortcut to a solution - 1 views

physics.aps.org/...PhysRevLett.103.150502

phy quantum_computation quantum_physics

shared by pacome delva on 23 Oct 09 - Cached
  • LeopoldS on 25 Oct 09
     
    looks interesting - though not sure I would understand the full paper - do you have it?
Ingmar Getzner

Controversial Quantum Machine Bought by NASA and Google Shows Promise - 4 views

www.technologyreview.com/...-quantum-computer-really-works

AI Quantum_Computing

shared by Ingmar Getzner on 08 Dec 15 - No Cached
jcunha liked it
  • Thijs Versloot on 10 Dec 15
     
    I am having less and less faith in the Dwave machine, but nonetheless, maybe we should have a look at our future encryption techniques...
  • LeopoldS on 10 Dec 15
     
    why less and less ... ?
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