Tidally-disrupted Molecular Clouds falling to the Galactic Center
  We found a molecular cloud connecting from the outer region to the "Galactic
Center Mini-spiral (GCMS)" which is a bundle of the ionized gas streams
adjacent to Sgr A*. The molecular cloud has a filamentary appearance which is
prominent in the CS J=2-1 emission line and is continuously connected with the
GCMS. The velocity of the molecular cloud is also continuously connected with
that of the ionized gas in the GCMS observed in the H42alpha recombination
line. The morphological and kinematic relations suggest that the molecular
cloud is falling from the outer region to the vicinity of Sgr A*, being
disrupted by the tidal shear of Sgr A* and ionized by UV emission from the
Central Cluster. We also found the SiO J=2-1 emission in the boundary area
between the filamentary molecular cloud and the GCMS. There seems to exist
shocked gas in the boundary area.
