Quantiki | Portal for Quantum Information and Quantum Technologies

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Welcome to Quantiki, the world's leading portal for everyone involved in quantum information science. No matter if you are a researcher, a student or an enthusiast of quantum theory, this is the place you are going to find useful and enjoyable! While here on Quantiki you can: browse our content, including fascinating and educative articles, then create your own account and log in to gain more editorial possibilities.

Add new content, such as information about upcoming quantum events, open positions for quantum scientists and existing quantum research groups. We are also distributing news via X (Twitter) feed, Bluesky news feed, and LinkedIn profile. We encourage you to follow us on social media to get the recent news from quantum infromation community.

New nanostructure combines memory and logic elements

Belle Dumé at NanotechWeb writes: ''A new way to make complete and programmable logic circuits that combine both memory and logical processing in a single structure has been unveiled by physicists in Germany. Such structures could lead to smaller, faster and more energy-efficient integrated circuits and their development has been one of the main goals in spintronics – a relatively new technology that exploits the spin of an electron as well as its charge.

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Strong Light-Matter Coupling School / from atoms to solid-state systems

The physics of strong light-matter coupling has been addressed in different scientific communities in the last 3 decades. Since the early eighties, several as well as single atoms have been coupled to optical and microwave cavities, leading to pioneering demonstrations of cavity quantum electrodynamics, textbook Gedanken experiments, and building blocks for quantum information processing.

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Postdoc and PhD positions at TU Munich, Germany

There are postdoc and PhD positions available in Mathematical Physics/Quantum Information Theory in the Department of Mathematics at the Technical University in Munich (Germany). Applicants should be
• mathematicians, theoretical physicists or computer scientists,
• interested in mathematical physics, theoretical computer science, quantum information theory and/or other fields of quantum theory and its foundations,
• willing to contribute to undergraduate math education.

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Predoctoral Resarcher In Quantum Control And Tomography At The Universidad Carlos Iii De Madrid

Application deadline:

Monday, February 28, 2011

PREDOCTORAL RESARCHER IN QUANTUM CONTROL AND TOMOGRAPHY AT THE UNIVERSIDAD CARLOS III DE MADRID
A fully funded Reserarcher Contract in Quantum Control and Tomography is available to work under the supervision of Prof. Alberto Ibort Latre at the Departamento de Matemáticas, Universidad Carlos III de Madrid (Spain). It covers a period ending 31/12/2013.

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After-gate attack on a quantum cryptosystem

ArXiv identifier:

1009.2683

Speakers:

Christoffer Wittmann

Authors:

C. Wiechers, L. Lydersen, C. Wittmann, D. Elser, J. Skaar, C. Marquardt, V. Makarov, and G. Leuchs

We present a method to control the detection events in quantum key distribution systems that use gated single-photon detectors. We employ bright pulses as faked states, timed to arrive at the avalanche photodiodes outside the activation time. The attack can remain unnoticed, since the faked states do not increase the error rate per se. This allows for an intercept–resend attack, where an eavesdropper transfers her detection events to the legitimate receiver without causing any errors.

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Workshop on New Trends in Quantum Dynamics and Quantum Entanglement

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EU-funded team puts new semi-conductor material to the test

The electronic chips of the future might not be made of silicon or even graphene but of a material called molybdenite (MoS2). EU-funded research presented in the journal Nature Nanotechnology demonstrates that molybdenite is a highly effective semi-conductor that could be used to make transistors both smaller and more energy efficient.

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PhD project in quantum information/foundations at Royal Holloway, University of London

Application deadline:

Monday, February 28, 2011

PhD project in quantum information and the foundations of quantum theory.

A fully funded PhD position is available for a UK/EU student, project title "Quantum theory and the nature of time". This position is partially supported by a large grant from the Foundational Questions Institute. The aim is to investigate the connections between the mathematical formalism of quantum theory and facts about time, such as reversibility and irreversibility of physical laws. For more details, including an introduction and technical abstract, see here:

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Quantum-Physics-Based Information Security Conference

The purpose of this conference is to provide a technical forum for discussions in the latest developments in quantum-physics-based information security. Traditional approaches to information security rely on mathematical relationships associated with encryption keys and encryption algorithms to achieve practical security. Quantum computing is considered to be an emerging threat to these classical techniques.

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Postdoctoral position in Quantum Information Theory and Quantum Gravity at the Albert Einstein Institute

Application deadline:

Monday, January 31, 2011

We invite applications for an interdisciplinary postdoctoral position in quantum information theory and quantum gravity, starting in the fall of 2011. The successful candidate will be hosted by the Quantum Gravity group at the Max Planck Institute (Albert Einstein Institute) for Gravitational Physics, Potsdam, Germany (http://www.aei.mpg.de/), and co-hosted by the Quantum Information Theory at the University of Potsdam (http://www.jense.qipc.org/).

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