Highlights for QUTE-EUROPE

Results tagged as highlights of the project.

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Mar 22, 2014

An Atomic Clock with 10–18 Instability

N. Hinkley, J. A. Sherman, N. B. Phillips, M. Schioppo, N. D. Lemke, K. Beloy, M. Pizzacaro, C. W. Oates and A. D. Ludlow
Science 341 1215-1218 (2013)

Atomic clocks have been instrumental in science and technology, leading to innovations such as global
positioning, advanced communications, and tests of fundamental constant variation. Timekeeping precision
at 1 part in 1018 enables new timing applications in relativistic geodesy, enhanced Earth- and space-based
navigation and telescopy, and new tests of physics beyond the standard model.

Mar 22, 2014

Enhanced sensitivity of the LIGO gravitational wave detector by using squeezed states of light

J. Aasi, et al.
Nature Photonics 7, 613–619 (2013)

A global network of observatories is seeking to directly detect gravitational waves using precision laser
interferometry. Photon shot noise, due to the quantum nature of light, imposes a fundamental limit on the
attometre-level sensitivity of the kilometre-scale Michelson interferometers deployed for this task.

Mar 22, 2014

Nondestructive Detection of an Optical Photon

A. Reiserer, S. Ritter and G. Rempe
Science 342, 1349-1351 (2013)

Mar 22, 2014

Photonic Floquet topological insulators

M. C. Rechtsman, J. M. Zeuner, Y. Plotnik, Y. Lumer, D. Podolsky, F. Dreisow, S. Nolte, M. Segev and A. Szameit
Nature 496, 196-200 (2013)

Mar 22, 2014

Macroscopic quantum self-trapping and Josephson oscillations of exciton polaritons

M. Abbarchi, A. Amo, V.G. Sala, D. Solnyshkov, H. Flayac, L. Ferrier, I. Sagnes, E. Galopin, A. Lemaitre, G. Malpuech and J. Bloch
Nature Physics 9, 275-279 (2013)

Mar 22, 2014

Emergence and Frustration of Magnetism with Variable-Range Interactions in a Quantum Simulator

R. Islam, C. Senko, W. C. Campbell, S. Korenblit, J. Smith, A. Lee, E. E. Edwards1, C.-C. J. Wang,, J. K. Freericks and C.Monroe,
Science 340, 583-587 (2013)

Mar 22, 2014

Microscopic observation of magnon bound states and their dynamics

T. Fukuhara, P. Schauß, M. Endres, S. Hild, M. Cheneau, I. Bloch and C. Gross
Nature 502, 76-79 (2013)

More than eighty years ago Hans Bethe predicted that elementary spin waves, known as magnons, in onedimensional
quantum magnets can form bound states - i.e. that two magnons can pair up and propogate
together. Identifying signatures of magnon bound states has so far remained the subject of intense theoretical
research, and their detection has proved challenging for experiments.

Mar 22, 2014

Heavy solitons in a fermionic superfluid

T. Yefsah, A. T. Sommer, M. J. H. Ku, L. W. Cheuk, W. Ji, W. S. Bakr and M. W. Zwierlein
Nature 499, 426-430 (2013)

Solitary waves that maintain their shape as they propagate, known as solitons, occur in many physical
systems, from water waves, to light pulses to quantum mechanical matter waves in superfluids and
superconductors. Solitons are highly nonlinear and localized, properties which make them very sensitive
probes of the medium in which they propagate.

Mar 22, 2014

Second sound and the superfluid fraction in a Fermi gas with resonant interactions

L. A. Sidorenkov, M. K. Tey, R. Grimm, Y-H Hou, L. Pitaevskii and S. Stringari
Nature 498, 78-81 (2013)

Mar 22, 2014

A Thermoelectric Heat Engine with Ultracold Atoms

J. - P. Brantut, C. Grenier, J. Meineke, D. Stadler, S. Krinner, C. Kollath, T. Esslinger and A. Georges
Science 342, 713-715 (2013).

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