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Science Forum Index » Physics Forum » PHYSICAL REVIEW FOCUS 8 May 2008 ...
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| Sam Wormley... |
 Posted: Thu May 08, 2008 10:15 pm |
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PHYSICAL REVIEW FOCUS 8 May 2008 http://focus.aps.org/
David Ehrenstein, American Physical Society
Introductions to the Focus stories of the past week;
visit http://focus.aps.org for the complete stories.
SQUEEZED INTO DARKNESS
According to quantum mechanics, empty space teems
with random electromagnetic oscillations that limit the
precision of optical measurements. Schemes to "squeeze"
light and dodge this quantum limit require a carefully-tuned
light intensity and other conditions. In the 16 May Physical
Review Letters, Spanish researchers propose an alternative
squeezing strategy that should be less finicky. If it is
experimentally feasible, the technique could permit improved
measurements of gravitational waves or new ways to transmit
quantum information.
(Carlos Navarrete-Benlloch et al., Phys. Rev. Lett. (to be published))
COMPLETE Focus story at http://focus.aps.org/story/v21/st16
Also from PRL (stories from AIP's Physics News Update):
MULTICOLOR ATOM LASER
Story at http://www.aip.org/pnu/2008/split/863-2.html
(S. Choi et al., Phys. Rev. A 77, 043620)
GIANT PIEZORESISTANCE
Story at http://www.aip.org/pnu/2008/split/863-1.html
(A.C.H. Rowe et al., Phys. Rev. Lett. 100, 145501)
***
PRL'S 50th ANNIVERSARY
Visit http://prl.aps.org/50years for links to Milestone Letters,
Editorials and Essays, PRL Timeline, and Special Events
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Copyright 2008, The American Physical Society. |
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