Volume 2 Issue 10, October 2006
Books & Arts
News & Views
Quantum teleportation in itself is intriguing. But now the combined states of two photons have been teleported — while preserving their entanglement — and this could bring large-scale quantum communication and computation a step closer.
A new kind of X-ray microscopy can visualize single-unit-cell steps on a crystal surface. This is an order of magnitude better depth-resolution than current X-ray microscopes can achieve.
The flow behaviour of solid helium at very low temperatures has recently generated as much controversy as excitement. An experiment looking directly at the grain boundaries offers fresh insights.
Atom-waves interferometers are becoming ever more compact. A new way of coherently splitting atom waves, based on radiofrequency fields, could extend the capabilities of these miniature atom traps.
When two one-dimensional Bose–Einstein condensates interfere, they exhibit a fluctuating interference pattern. The full statistical distribution of the interference amplitude can be predicted, thanks to a remarkable connection to several exactly solvable problems.