10,886 research outputs found
Unusual light spectra from a two-level atom in squeezed vacuum
We investigate the interaction of an atom with a multi-channel squeezed
vacuum. It turns out that the light coming out in a particular channel can have
anomalous spectral properties, among them asymmetry of the spectrum, absence of
the central peak as well as central hole burning for particular parameters. As
an example plane-wave squeezing is considered. In this case the above phenomena
can occur for the light spectra in certain directions. In the total spectrum
these phenomena are washed out.Comment: 16 pages, LaTeX, 3 figures (included via epsf
MOTOR VEHICLES AND TRAFFIC Drivers\u27 Licenses: Provide for Suspension, Revocation, or Delay in Issuance for Conviction of Controlled Substance Related Offenses; Formation of Intervention Program
The Acts provide for a delay in the issuance of the driver\u27s license of any person under age 16 who is adjudicated guilty of driving under the influence of alcohol of a controlled substance or marijuana, and for the revocation and suspension of the driver\u27s license of any person convicted of possession of a controlled substance or marijuana. The Act also provides for the issuance or reinstatement of drivers\u27 licenses following the completion of the intervention program established by the Acts\u27 enabling legislation
DEBTOR AND CREDITOR Garnishment Proceedings: Provide for Exemptions
The Act exempts certain individual retirement accounts from garnishment except under some conditions. The Act changes or repeals other provisions relating to the exemption from garnishment of certain pension, retirement or benefit programs
Evidence for orbital motion of CW Leonis from ground-based astrometry
© 2017 The Authors.Recent Atacama Large Millimeter/submillimeter Array (ALMA) observations indicate that CW Leo, the closest carbon-rich asymptotic giant branch star to Sun, might have a low-mass stellar companion. We present archival ground-based astrometric measurements of CW Leo obtained within the context of the Torino Parallax Program and with > 6 yr (1995-2001) of time baseline. The residuals to a single-star solution show significant curvature, and they are strongly correlatedwith thewell-known I-band photometric variations due to stellar pulsations. We describe successfully the astrometry of CW Leo with a variability-induced motion (VIM) + acceleration model. We obtain proper motion and parallax of the centre-of-mass of the binary, the former in fair agreement with recent estimates, the latter at the near end of the range of inferred distances based on indirect methods. The VIM + acceleration model results allow us to derive a companion mass in agreement with that inferred by ALMA, they point towards a somewhat longer period than implied by ALMA, but are not compatible with much longer period estimates. These data will constitute a fundamental contribution towards the full understanding of the orbital architecture of the system when combined with Gaia astrometry, providing an ~25 yr time baseline.Peer reviewe
Neuronal Inhibition under the Spotlight
In this issue of Neuron, Lin et al. (2015) report an optical method to precisely manipulate the activity of GABAA receptors by designing a mutant receptor that binds photosensitive compounds. This allows for studying GABAA receptors in situ and represents a valuable tool to investigate how inhibition affects brain physiology
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