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- Rabi_cycle abstract "In physics, the Rabi cycle is the cyclic behaviour of a two-state quantum system in the presence of an oscillatory driving field. A two-state system has two possible states, and if they are not degenerate energy levels the system can become "excited" when it absorbs a quantum of energy.The effect is important in quantum optics, nuclear magnetic resonance and quantum computing. The term is named in honor of Isidor Isaac Rabi.When an atom (or some other two-level system) is illuminated by a coherent beam of photons, it will cyclically absorb photons and re-emit them by stimulated emission. One such cycle is called a Rabi cycle and the inverse of its duration the Rabi frequency of the photon beam.This mechanism is fundamental to quantum optics. It can be modeled using the Jaynes-Cummings model and the Bloch vector formalism.For example, for a two-state atom (an atom in which an electron can either be in the excited or ground state) in an electromagnetic field with frequency tuned to the excitation energy, the probability of finding the atom in the excited state is found from the Bloch equations to be: where is the Rabi frequency.More generally, one can consider a system where the two levels under consideration are not energy eigenstates. Therefore if the system is initialized in one of these levels, time evolution will make the population of each of the levels oscillate with some characteristic frequency, whose angular frequency is also known as the Rabi frequency.".
- Rabi_cycle wikiPageExternalLink en.
- Rabi_cycle wikiPageExternalLink en.
- Rabi_cycle wikiPageID "582228".
- Rabi_cycle wikiPageRevisionID "601212233".
- Rabi_cycle hasPhotoCollection Rabi_cycle.
- Rabi_cycle subject Category:Atomic_physics.
- Rabi_cycle subject Category:Quantum_optics.
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- Rabi_cycle type Eye105311054.
- Rabi_cycle type Organ105297523.
- Rabi_cycle type Part109385911.
- Rabi_cycle type PhysicalEntity100001930.
- Rabi_cycle type QuantumOptics.
- Rabi_cycle type SenseOrgan105299178.
- Rabi_cycle type Thing100002452.
- Rabi_cycle comment "In physics, the Rabi cycle is the cyclic behaviour of a two-state quantum system in the presence of an oscillatory driving field. A two-state system has two possible states, and if they are not degenerate energy levels the system can become "excited" when it absorbs a quantum of energy.The effect is important in quantum optics, nuclear magnetic resonance and quantum computing.".
- Rabi_cycle label "Oscillations de Rabi".
- Rabi_cycle label "Rabi cycle".
- Rabi_cycle label "Rabi-Oszillation".
- Rabi_cycle label "拉比周期".
- Rabi_cycle sameAs Rabi-Oszillation.
- Rabi_cycle sameAs Oscillations_de_Rabi.
- Rabi_cycle sameAs m.02s8wk.
- Rabi_cycle sameAs Q527266.
- Rabi_cycle sameAs Q527266.
- Rabi_cycle sameAs Rabi_cycle.
- Rabi_cycle wasDerivedFrom Rabi_cycle?oldid=601212233.
- Rabi_cycle isPrimaryTopicOf Rabi_cycle.