Zeno effect preventing Rabi transitions onto an unstable energy level
نویسندگان
چکیده
منابع مشابه
Quantum Zeno effect in an unstable system with NMR
We theoretically propose a scheme for verification of quantum Zeno effect (QZE) to suppress a decay process with Nuclear Magnetic Resonance (NMR). Nuclear spins are affected by low frequency noise, and so one can naturally observe non-exponential decay behavior, which is prerequisite in observing QZE. We also describe that a key component for QZE, namely measurements on the nuclear spin, can be...
متن کاملEnhanced quantum Zeno effect and bunching in the decay of interacting bosons from an unstable state
We theoretically study the decay of two interacting bosons from a leaky trap by tunneling through a potential barrier. Although decay rates are generally enhanced by repulsive interactions, we predict a strong suppression of the decay for short times. This leads to an enhancement of the quantum Zeno effect. Results from perturbation theory are supplemented by numerical calculations of the eigen...
متن کاملAbsence of Energy Level Crossing for the Ground State Energy of the Rabi Model
The Hamiltonian of the Rabi model is considered. It is shown in the light of quantum phase transition that the ground state energy of the Rabi Hamiltonian does not cross any other energies.
متن کاملGeneral equation for Zeno-like effects in spontaneous exponential decay
It was shown that different mechanisms of perturbation of spontaneous decay constant: inelastic interaction of emitted particles with particle detector, decay onto an unstable level, Rabi transition from the final state of decay (electromagnetic field domination) and some others are really the special kinds of one general effect — perturbation of decay constant by dissipation of the final state...
متن کاملQuantum Anti–Zeno Effect
The interplay between quantum dynamics and quantum measuments continues to attract attention of physicists since the birth of quantum physics [1]. One of the classic examples of such an interplay is the, so called, quantum Zeno effect [2]. It consists in modifying the quantum evolution by the repeated measurments. The essence of the quantum Zeno effect is that repeated interrogation if the syst...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physics Letters A
سال: 1999
ISSN: 0375-9601
DOI: 10.1016/s0375-9601(99)00569-1