{ "items" : [
    { "id" : "http://dbpedia.org/resource/Rabi_problem"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Rabi problem concerns the response of an atom to an applied harmonic electric field, with an applied frequency very close to the atom's natural frequency.  It provides a simple and generally solvable example of light-atom interactions."] } } }
