Nature Physics 08/09

Few-body physics: Giant trimers true to scale pp533 - 534
Vitaly Efimov
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Supersolid helium: Stiffer but flowing pp534 - 535
Sébastien Balibar
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Atom chips: Read the labels pp538 - 539
Chris Westbrook
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Quantum error correction beyond qubits pp541 - 546
Takao Aoki, Go Takahashi, Tadashi Kajiya, Jun-ichi Yoshikawa, Samuel L. Braunstein, Peter van Loock and Akira Furusawa
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[quantum continuous variables]

**Engineering the quantum transport of atomic wavefunctions over macroscopic distances pp547 - 550
A. Alberti, V. V. Ivanov, G. M. Tino and G. Ferrari
doi:10.1038/nphys1310
How far can you stretch an atomic wavefunction? An experiment demonstrates that the wavefunction of an ensemble of ultracold atoms trapped in an optical lattice can be reversibly expanded and shrunk over a distance of 1.5 mm.
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Measurement of single-molecule frictional dissipation in a prototypical nanoscale system pp561 - 564 H. Hedgeland, P. Fouquet, A. P. Jardine, G. Alexandrowicz, W. Allison and J. Ellis First paragraph | Full Text | PDF [FTIR] Appearance of a fractional Stokes-Einstein relation in water and a structural interpretation of its onset pp565 - 569 Limei Xu, Francesco Mallamace, Zhenyu Yan, Francis W. Starr, Sergey V. Buldyrev and H. Eugene Stanley First paragraph | Full Text | PDF

** Field-sensitive addressing and control of field-insensitive neutral-atom qubits pp575 - 580
N. Lundblad, J. M. Obrecht, I. B. Spielman and J. V. Porto
doi:10.1038/nphys1330
A quantum computer requires quantum systems that are well-isolated from external perturbations, but which can still be easily manipulated with external fields. A scheme that uses spatially inhomogeneous fields to selectively address neutral-atom qubits while they are in field-insensitive superposition states satisfies these competing needs.
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Observation of electric-field-induced Cs Rydberg atom macrodimers pp581 - 585
K. R. Overstreet, A. Schwettmann, J. Tallant, D. Booth and J. P. Shaffer
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Observation of an Efimov spectrum in an atomic system pp586 - 591
M. Zaccanti, B. Deissler, C. D'Errico, M. Fattori, M. Jona-Lasinio, S. Müller, G. Roati, M. Inguscio and G. Modugno
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See also: News and Views by Efimov

Role of shear modulus and statistics in the supersolidity of helium pp598 - 601
Joshua T. West, Oleksandr Syshchenko, John Beamish and Moses H. W. Chan
Abstract | Full Text | PDF
See also: News and Views by Balibar

!!Lévy flights of photons in hot atomic vapours pp602 - 605
N. Mercadier, W. Guerin, M. Chevrollier and R. Kaiser
doi:10.1038/nphys1286
Lévy flights, a form of random walk, are quite common in nature. However only macroscopic signatures, obtained by averaging over many steps, have been measured so far. Now, the individual steps are observed directly as light scatters in a hot atomic vapour.
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