Latest news from Nature Communications 20 Sept 2011

Operation of the first ever airborne matter wave sensor in both 1-g and 0-g gravitational conditions

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--Summaries of newsworthy papers:

~Airborne matter wave accelerometers

--Mention of papers to be published at the same time with the same embargo

--Geographical listing of authors

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[1] Airborne matter wave accelerometers

DOI: 10.1038/ncomms1479

Operation of the first ever airborne matter wave sensor in both 1-g and 0-g gravitational conditions is reported in Nature Communications this week. The findings demonstrate the capability of such instruments outside of the laboratory environment and open the way to tests of fundamental physics.

Matter wave sensors use clouds of atoms cooled to fractions of a degree. At this level the wave nature of matter becomes important. The atomic waves can then interact with lasers to produce an interference pattern which measures the acceleration of the device. Philippe Bouyer and colleagues constructed such a sensor inside an aeroplane capable of travelling at 0-g. Under normal 1-g flight conditions they measure effects 300 times weaker than typical aircraft acceleration fluctuations.

Airborne matter wave sensors may provide improvements in navigation and motion monitoring, as well as improving accuracy in geophysical gravity surveys. Their operation in 0-g may also allow for tests of aspects of General Relativity or the possible detection of gravitational waves.

Philippe Bouyer (Université Bordeaux 1, Talence, France)
Tel: +33 540 003 794; E-mail: [email protected]

[2] Late Cretaceous origin of the rice tribe provides evidence for early diversification in Poaceae
DOI: 10.1038/ncomms1482

[3] High pressure route to generate magnetic monopole dimers in spin ice
DOI: 10.1038/ncomms1483

[4] A chloroplast envelope-bound PHD transcription factor mediates chloroplast signals to the nucleus
DOI: 10.1038/ncomms1486

[5] Coupling of plasmonic and optical cavity modes in quasi-three-dimensional plasmonic crystals
DOI: 10.1038/ncomms1487

[6] An energy transduction mechanism used in bacterial flagellar type III protein export
DOI: 10.1038/ncomms1488

[7] A polysaccharide bioprotonic field-effect transistor
DOI: 10.1038/ncomms1489

[8] A bimetallic nanoantenna for directional colour routing
DOI: 10.1038/ncomms1490

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The following list of places refers to the whereabouts of authors on the papers numbered in this release. For example, London: 4 - this means that on paper number four, there will be at least one author affiliated to an institute or company in London. The listing may be for an author's main affiliation, or for a place where they are working temporarily. Please see the PDF of the paper for full details.

Waterloo: 7
Winnipeg: 3

Beijing: 2, 4

Palaiseau: 1
Paris: 1
Talence: 1
Toulouse: 1

Chandigarh: 2
Lucknow: 2
Nagpur: 2

Osaka: 6
Saitama: 6

Gothenburg: 8
Örebro: 8

London: 3

Tallahassee: 3
Urbana: 5
Bloomington: 3
Gaithersburg: 3
Austin: 3
Seattle: 2, 7



From North America and Canada
Neda Afsarmanesh, Nature New York
Tel: +1 212 726 9231; E-mail: [email protected]

From Japan, Korea, China, Singapore and Taiwan
Mika Nakano, Nature Tokyo
Tel: +81 3 3267 8751; E-mail: [email protected]

From the UK
Rachel Twinn, Nature, London
Tel: +44 20 7843 4658; E-mail: [email protected]

Published: 20 Sep 2011

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