By Claude Cohen-Tannoudji
This beneficial publication provides papers written over the last forty years through Claude Cohen-Tannoudji and his collaborators on quite a few actual results which might be saw on atoms interacting with electromagnetic fields. It contains a private choice of overview papers, lectures given at colleges, in addition to unique experimental and theoretical papers. Emphasis is put on actual mechanisms and on common methods (such because the dressed atom technique) having quite a lot of functions. numerous subject matters are mentioned, reminiscent of atoms in severe laser fields, photon correlations, quantum jumps, radiative corrections, laser cooling and trapping, Bose-Einstein condensation. during this new version, approximately 200-page of recent fabric has been additional.
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Additional info for Atoms in Electromagnetic Fields
For a linear polariza- FIG. 14. Theoretical Zeeman diagram of 201Hg atoms in the ground state, perturbed by a fictitious electric field parallel to the magnetic field. FIG 15 observed level-crossing resonances in the ground state of 201Hg atoms, (a) B, is off. The single resonance corresponds to the zero-field crossing of the four Zeeman sublevels. (b) Bt is on. Four level crossi n S s appear in nonzero field according to the Zeeman diagram of Fig. 14. — Perpendicular to Ho, one measures the e n e r ^ differences between sublevels such that Am = ± 2 " W i t h a c i r c u l a r Polarization, the Am = ± 1 ener& d i ferences are also observed.
The effect of the light beam in the two ground-state multiplicities F = I + i and F' =1- \ is described by two fictitious magnetic fields, proportional in magnitude and sign to AE'(F=I +i) and &E (F = / - i ) . For instance, if kF0 Light shift). The same result holds for a linearly polarized beam. b. F > i. Linearly polarized beam. The beam # ! is propagating along the x axis and ex is parallel to Oz. If £, is rotated by an angle )FFT^ RUV) ] • (1. « As in this rotation "Y,*' is simply multiplied by e'"v, we have SHIFTS... 971 It looks like the Stark Hamiltonian describing the second-order effect on the ground state produced by a fictitious static field E/, parallel to the polarization vector.
Atoms in Electromagnetic Fields by Claude Cohen-Tannoudji
Light shift). The same result holds for a linearly polarized beam. b. F > i. Linearly polarized beam. The beam # ! is propagating along the x axis and ex is parallel to Oz. If £, is rotated by an angle
)FFT^ RUV) ] • (1. « As in this rotation "Y,*' is simply multiplied by e'"v, we have SHIFTS... 971 It looks like the Stark Hamiltonian describing the second-order effect on the ground state produced by a fictitious static field E/, parallel to the polarization vector.