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Carbon as a razor-thin transparent foil is one of the innovations presented by the "Munich-Centre of Advanced Photonics" (MAP) at the "LASER – World of Photonics" on May 23-26 in Munich. High-power lasers knock out pulsed ion beams out of these foils, which will be used as a low-cost and gentle alternative for cancer therapy in a few years. At the joint booth of the Bavarian Universities (B2.407) MAP and the future "Centre for Advanced Laser Applications" (CALA) present how cancer diagnostics and therapy benefit from the new lasers.

This is a call for contributions to a special issue of Journal of Physics A: Mathematical and Theoretical dedicated to coherent states. The motivation behind this special issue is to gather in a single comprehensive volume the main aspects (past and present), latest developments, different viewpoints and directions being followed in this multidisciplinary field. Given the impressive development of the field in the past two decades, the topicality of such a volume can hardly be overemphasized.

Hamish Johnston writes at PhysicsWorld: ''A small firm based in Canada that aims to build a commercially viable quantum computer has shown that an important part of its technology works. D-Wave Systems, which was spun-out of the University of British Columbia in 1999, has shown that a technique called quantum annealing can be used to make eight coupled quantum bits – or qubits – find their ground state.

Professor Immanuel Bloch, Director at the Max Planck Institute of Quantum Optics and Professor for experimental physics at the Ludwig-Maximilians-Universität Munich, has been elected by the EPS for the “2011 Prize for Fundamental Aspects of Quantum Electronics and Optics”. The award is given to him for his “pioneering work on exploring quantum many-body systems using ultracold quantum gases for quantum simulation and quantum information applications.”
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