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Dressed Atom Approach to Line Broadening

  • D. Pritchard
  • B. Walkup
Conference paper
Part of the Springer Series in Optical Sciences book series (SSOS, volume 30)

Abstract

When a two state atom is placed in an optical field whose frequency w is near the atom’s resonant frequency ω0, the atom cycles rapidly between its ground and excited states (|g> and |e> respectively). It is often more convenient — both mathematically and physically — to describe this system in terms of the dressed states |w(t)> and |s(t)>, i.e.
$$|\psi >= {a_w}(t)|w(t) > + {a_s}(t)|s(t) > $$
(1)
where aw and as are time independent in the absence of perturbations other than the oscillatory field. The fact that |w(t)> and |s(t)> are time dependent coherent superpositions of |g> and |e> is reflected in the notation.

Keywords

Inelastic Collision Virtual State Single Collision Collisional Transfer Fine Structure Transition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1981

Authors and Affiliations

  • D. Pritchard
    • 1
  • B. Walkup
    • 1
  1. 1.Physics DepartmentMassachusetts Institute of TechnologyCambridgeUSA

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