Asunto(s)
Antiinflamatorios/efectos adversos , Anticuerpos Monoclonales/efectos adversos , Enfermedades Inflamatorias del Intestino/complicaciones , Listeriosis/etiología , Factor de Necrosis Tumoral alfa/antagonistas & inhibidores , Antiinflamatorios/uso terapéutico , Antiinflamatorios no Esteroideos/efectos adversos , Antiinflamatorios no Esteroideos/uso terapéutico , Anticuerpos Monoclonales/uso terapéutico , Azatioprina/efectos adversos , Azatioprina/uso terapéutico , Enfermedad de Crohn/complicaciones , Femenino , Humanos , Inmunosupresores/efectos adversos , Inmunosupresores/uso terapéutico , Enfermedades Inflamatorias del Intestino/tratamiento farmacológico , Infliximab , Mesalamina/efectos adversos , Mesalamina/uso terapéutico , Persona de Mediana EdadRESUMEN
Polar molecules are desirable systems for quantum simulations and cold chemistry. Molecular ions are easily trapped, but a bias electric field applied to polarize them tends to accelerate them out of the trap. We present a general solution to this issue by rotating the bias field slowly enough for the molecular polarization axis to follow but rapidly enough for the ions to stay trapped. We demonstrate Ramsey spectroscopy between Stark-Zeeman sublevels in (180)Hf(19)F(+) with a coherence time of 100 milliseconds. Frequency shifts arising from well-controlled topological (Berry) phases are used to determine magnetic g factors. The rotating-bias-field technique may enable using trapped polar molecules for precision measurement and quantum information science, including the search for an electron electric dipole moment.