Search results
Results from the WOW.Com Content Network
Rabi oscillations, showing the probability of a two-level system initially in | to end up in | at different detunings Δ. In physics , the Rabi cycle (or Rabi flop ) is the cyclic behaviour of a two-level quantum system in the presence of an oscillatory driving field.
The Rabi frequency is the frequency at which the probability amplitudes of two atomic energy levels fluctuate in an oscillating electromagnetic field. It is proportional to the transition dipole moment of the two levels and to the amplitude ( not intensity ) of the electromagnetic field .
The value of , depends on the initial condition of the system. An exact solution of spin-1/2 system in an oscillating magnetic field is solved by Rabi (1937). From their work, it is clear that the Rabi oscillation frequency is proportional to the magnitude of oscillation magnetic field.
The existence of Rabi oscillations between the states of the two-level system as it interacts with the quantum field. This was originally believed to be a purely quantum mechanical effect, although a semi-classical explanation for it was later provided in terms of linear dispersion and absorption [ 5 ]
A mathematical description of vacuum Rabi oscillation begins with the Jaynes–Cummings model, which describes the interaction between a single mode of a quantized field and a two level system inside an optical cavity. The Hamiltonian for this model in the rotating wave approximation is
And unfortunately, the two are not separable,” Ivanka, 43, said, adding it is a “very dark, negative business.” Ivanka Trump has revealed why she won’t be returning to the White House for ...
A well known example of a two-state system is the spin of a spin-1/2 particle such as an electron, whose spin can have values +ħ/2 or −ħ/2, where ħ is the reduced Planck constant. The two-state system cannot be used as a description of absorption or decay, because such processes require coupling to a continuum.
If you think planes have got fuller and the skies busier over the past year, you’d be right. These are the air routes that have gotten particularly crowded over the past year.