Search for [CII] emission in z=6.5-11 star-forming galaxies
  We present the search for the [CII] emission line in three $z>6.5$
Lyman-alpha emitters (LAEs) and one J-Dropout galaxy using the Combined Array
for Research in Millimeter-wave Astronomy (CARMA) and the Plateau de Bure
Interferometer (PdBI). We observed three bright $z\sim6.5-7$ LAEs discovered in
the SUBARU deep field (SDF) and the Multiple Imaged lensed $z\sim 11$ galaxy
candidate found behind the galaxy cluster MACSJ0647.7+7015. For the LAEs IOK-1
($z=6.965$), SDF J132415.7+273058 ($z=6.541$) and SDF J132408.3+271543
($z=6.554$) we find upper limits for the [CII] line luminosity of $<2.05$,
$<4.52$ and $<10.56\times10^{8}{\rm L}_{\odot}$ respectively. We find upper
limits to the FIR luminosity of the galaxies using a spectral energy
distribution template of the local galaxy NGC 6946 and taking into account the
effects of the Cosmic Microwave Background on the mm observations. For IOK-1,
SDF J132415.7+273058 and SDF J132408.3+271543 we find upper limits for the FIR
luminosity of $<2.33$, $3.79$ and $7.72\times10^{11}{\rm L}_{\odot}$
respectively. For the lensed galaxy MACS0647-JD, one of the highest redshift
galaxy candidate to date with $z_{\rm ph}=10.7^{+0.6}_{-0.4}$ we put an upper
limit in the [CII] emission of $<1.36\times10^{8}\times(\mu/15)^{-1}{\rm
L}_{\odot}$ and an upper limit in the FIR luminosity of
$<6.1\times10^{10}\times(\mu/15)^{-1}{\rm L}_{\odot}$ (where $\mu$ is the
magnification factor). We explore the different conditions relevant for the
search for [CII] emission in high redshift galaxies as well as the difficulties
for future observations with ALMA and CCAT.
