A collection of web links and external resources (websites, documents, etc.) of interest in the field of Quantum Information Technologies.
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Title | Description |
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"Quantum simulators" revealed in fresh detail | |
Spektrum der Wissenschaft, Dossier 4/2010: Quanteninformation |
The german science magazine Spektrum der Wissenschaften publishes a special edition on Quantum Information. |
Quantenphysik aus Österreich im "Nature"-Tripelpack |
The Austrian newspaper Der Standard reports about the latest Nature issue that contains three articles (all QI related) with Austrian participation. |
Theoretische Umgehung der Heisenbergschen Unschärferelation |
The austrian newspaper Der Standard brings a story about the uncertainty principle in the presence of quantum memory. |
Research at the group led by Prof. Antionio Acin highlighted in APS |
Research at the group led by Prof. Antonio Acin on quantum games highlighted in the APS web spotlight and PhysOrg. A paper on nonlocal games recently published in PRL by ICFO PhD student Mafalda Almeida; PhD student Jean-Daniel Bancal, University of Geneve; researchers Dr. Nicolas Brunner, University of Bristol, Dr. Stefano Pironio, Free University of Brussels; and ICFO/ICREA Prof. Antonio Acín and Prof. Nicolas Gisin, University of Geneve, has been highlighted in the APS web spotlight and PhysicsOrg. |
Interview with Nicolas Gisin and Rob Thew |
Nicolas Gisin and Rob Thew, world leading researchers in quantum communication at the University of Geneva and authors of the invited Insight Letter Quantum communication technologies, tell us why they enjoy their field. |
Wiener Quantenphysiker zähmen den Zufall |
A story about new techniques to generate entangled photon pairs. In german. |
Science daily: Beyond the Quantum Limit | |
Scinexx Wissensmagazin | |
Berliner Zeitung: Tragbare Atomuhr auf einem Chip | |
Welt der Physik: Atomuhr auf dem Chip | |
Physics World: BEC coupled to mechanical oscillator | |
2Physics.com: Interface between two worlds | |
Optical Transistor Is a Step Toward the Quantum Internet | |
Optischer Transistor aus einem Atom | |
Single atoms go transparent | |
Badische Zeitung, Lörrach: Grundstein für genauere Uhren | |
Nature news: Atomic clocks use quantum timekeeping | |
Nature Editors Summary and associated News and Views article |
http://www.nature.com/nature/journal/v464/n7292/full/4641133a.html |
Pro-Physik: Atomchip für verschränkte Teilchen | |
Chute libre pour atomes froids |
Le Nouvel Observateur writes about cold atoms (in French). |
"Quantenpiano" |
The Austrian newspaper Der Standard brings a story about the "quantum piano". |
Quantiki Video Abstract |
VideoAbstracts is a collection of short 'home-made' videos in which an author explains the key points of one of his papers in front of a whiteboard. |
Corriere della sera, April 13, 2010 |
Ecco l' orologio quantico Batte in precisione anche quello atomico |
Vater der Quanten |
The Sueddeutsche Zeitung writes about Max Planck (in German). |
"Mr. Beam" und die Quanten |
The Wiener Zeitung writes about Anton Zeilinger for his 65th birthday (in German). |
Classical simulation of commuting quantum computations implies collapse of the polynomial hierarchy |
We consider quantum computations comprising only commuting gates, known as IQP computations, and provide compelling evidence that the task of sampling their output probability distributions is unlikely to be achievable by any efficient classical means. More specifically we introduce the class post-IQP of languages decided with bounded error by uniform families of IQP circuits with post-selection, and prove first that post-IQP equals the classical class PP. |
Preparation and Measurement of Three-Qubit Entanglement in a Superconducting Circuit |
Traditionally, quantum entanglement has played a central role in foundational discussions of quantum mechanics. The measurement of correlations between entangled particles can exhibit results at odds with classical behavior. These discrepancies increase exponentially with the number of entangled particles. When entanglement is extended from just two quantum bits (qubits) to three, the incompatibilities between classical and quantum correlation properties can change from a violation of inequalities involving statistical averages to sign differences in deterministic observations. |
Generation of Three-Qubit Entangled States using Superconducting Phase Qubits |
Entanglement is one of the key resources required for quantum computation, so experimentally creating and measuring entangled states is of crucial importance in the various physical implementations of a quantum computer. In superconducting qubits, two-qubit entangled states have been demonstrated and used to show violations of Bell's Inequality and to implement simple quantum algorithms. |
Qwiki |
Qwiki is a quantum physics wiki devoted to the collective creation of technical content for practicing scientists. Please sign up, browse around the site, click on the edit links, and contribute something! The site is nominally centered around quantum physics including -- but not limited to -- quantum optics, quantum metrology, quantum control, quantum information, and quantum computation. |