The index n = 1/2 corresponds to the direct
allowed transition energy gap and n = 2 corresponds to the indirect
allowed transition energy gaps.
r 1/2 for allowed direct transition, r 3/2 for forbidden direct transition and r 3 for forbidden indirect transition, and r 2 refers to indirect
allowed transition. The absorption coefficient for direct transition takes the values from 104 to 105 cm-1 , while the absorption coefficient for indirect transition takes the values from 10 to 103 cm-1[15].
The electric-dipole
allowed transition |a>-|b> is driven by a strong coupling laser beam, and this will lead to two orthogonal dressed states |+> and |->.
The
allowed transition period will enable Credit Suisse to 'cover the additional capital requirements from the ongoing generation of profit' Doerig said.
"With the
allowed transition period of six months and adequate support, employers will be able to continue to benefit from retaining the knowledge, skills and experience of older workers.
For direct
allowed transition n = 2, for indirect
allowed transition n = 1/2.
The |13>-|1> electric-dipole
allowed transition and the |3>-|2> magnetic-dipole
allowed transition of the system are excited simultaneously by the electric field and the magnetic field, respectively, of the weak probe light field.
Photoluminescence measurement ([[lambda].sub.exc] = 265 nm) shows an intense red emission composed of three bands centered at 578 nm, 611 nm, and 628 nm, associated with [Eu.sup.3+]
allowed transition [sup.5][D.sub.0] [right arrow] [sup.7][F.sub.0], [sup.5][D.sub.0] [right arrow] [sup.7][F.sub.1], and [sup.5][D.sub.0] [right arrow] [sup.7][F.sub.2], respectively.
Of this fact, the type of
allowed transition at a precise place of the graph depends exclusively of the origin state type of this transition: