EntityQ4119076· pop 15· linked from 47 articlesattophysicsSign in to savephysics on extremely short timescales, approximately 10⁻¹⁸ secondsConnectionselectric potentialEntitysignal bandwidthEntityUltrashort pulseEntityphysicsEntitychemistryEntityatomEntityhydrogenEntitymoleculeEntityquantum mechanicsEntityelectronEntityInternational Standard Book NumberEntitykryptonEntitymatterEntitytheory of relativityEntitysolidEntitynoble gasesEntityX-rayEntityopticsEntityelectromagnetic radiationEntityinfrared radiationEntityCategoriesAtomic, molecular, and optical physicsQuantum mechanicsTime-resolved spectroscopy