Download Atoms in Electromagnetic Fields by Claude Cohen-Tannoudji PDF

By Claude Cohen-Tannoudji

ISBN-10: 9812389423

ISBN-13: 9789812389428

This beneficial ebook provides papers written over the past forty years through Claude Cohen-Tannoudji and his collaborators on a variety of actual results which might be saw on atoms interacting with electromagnetic fields. It involves a private number of evaluate papers, lectures given at colleges, in addition to unique experimental and theoretical papers. Emphasis is put on actual mechanisms and on normal methods (such because the dressed atom method) having a variety of functions. a variety of themes are mentioned, comparable to atoms in excessive laser fields, photon correlations, quantum jumps, radiative corrections, laser cooling and trapping, Bose-Einstein condensation. during this new version, approximately 200-page of latest fabric has been further.

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Izrael, and M. Nogaret, Compt. Rend. 267, 274 (1968). 19In fact, we neglect the matrix elements of the effec- tive Hamiltonian which couples sublevels of different F. Their effects are of the order of (AE1)2 (hyperfine splitting)' 1 , and a r e therefore negligible according to assumption (d). 20A similar result exists for resonant light beams. The absorbed light depends only on the population, orientation, and alignment of the ground state. 2iKe is Hermitian so that (c<*>)* = < —)«cfj'. Ke depends only on eight real parameters.

Novick, Proc. IEEE 54, 155 (1966); F. Hartmann, Ann. Phys. 2_, 329 (1967). 16 C. Cohen-Tannoudji, Compt. Rend. , 394(1961). " L . D. Schearer, Phys. Rev. 127, 512 (1962); C. W. White, W. M. Hughes, G. S. Hayne, and H. G. Robinson, ibid. 174, 23 (1968). 18 B. Cagnac, A. Izrael, and M. Nogaret, Compt. Rend. 267, 274 (1968). 19In fact, we neglect the matrix elements of the effec- tive Hamiltonian which couples sublevels of different F. Their effects are of the order of (AE1)2 (hyperfine splitting)' 1 , and a r e therefore negligible according to assumption (d).

Undergoes a resonant variation when Ho i s scanned around HO=HC. As the amount of light LA absorbed d (1) by the vapor depends linearly on the density matrix dt ~ ' elements, this resonant change of aai can be moni_. , . , , • „, % t .. , tored on LA. The resonances observed in this way A The time constants involved in 0>(o) are of the order . _ , . ;' . are used to determine the position of the crossing of T, (pumping time associated1 with Bt). crossi sume a weak pumping (1/r << T>). Accordingly, reS onances, the splitting in zero field is deduced 4.

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