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Quantum Electronics and Laser Science Conference

Quantum Zeno Effect On Atomic Excitation Decay In Field Confining Structures

Abraham G. Kofman, Gershon Kurizki

Published Jan 1, 1997• 0 citations
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Quantum Zeno effect on atomic excitation decay in resonators

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Physical Review A•Feb 17, 1996•3 citations

Induced Coherence in Radioactive Decay Rates: A Quantum Zeno Approach to Synchronized Nuclear Fission via Endohedral Fullerene Confinement

Martin Kováč

The continuous observation of a quantum system is known to suppress its time evolution, a phenomenon recognized as the Quantum Zeno Effect (QZE). While typically applied to discrete atomic transitions, extending this principle to nuclear decay processes offers profound implications for controlling nuclear fission. In this paper, we hypothesize a containment architecture utilizing endohedral buckminsterfullerenes (M@C60) as resonant structural cavities for metastable isotopes. The carbon-12 matrix provides a spin-zero, decoherence-free boundary, severely limiting magnetic interactions. By subjecting the system to continuous electromagnetic excitation, the secondary fluorescence of the cage acts as an unbroken projective measurement, effectively confining the nuclear state vector to its initial unstable sub-space. Furthermore, we theorize that the simultaneous removal of this monitoring field across a bulk medium of confined isotopes will lead to a highly correlated release from the Zeno-suppressed state. Drawing parallels to Dicke superradiance, this sudden restoration of normal decay channels in a dense, heavily correlated macroscopic ensemble precipitates an avalanche of stimulated nuclear transitions, acting as a triggered synchronization of fission.

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Atomic quantum zeno effect for ensembles and single systems

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Quantum Zeno effect on atomic excitation decay in resonators

Abraham G. Kofman, Gershon Kurizki

A unified theory of two-level atom coupling to vacuum field reservoirs with arbitrary mode-density spectra is used to demonstrate that the quantum Zeno effect on excitation decay of the atom (and, correspondingly, inhibition of spontaneous emission) is observable in open cavities and waveguides, using a sequence of evolution-interrupting pulses on a nanosecond scale.

Physical Review A•Nov 1, 1996•149 citations
The continuous observation of a quantum system is known to suppress its time evolution, a phenomenon recognized as the Quantum Zeno Effect (QZE). While typically applied to discrete atomic transitions, extending this principle to nuclear decay processes offers profound implications for controlling nuclear fission. In this paper, we hypothesize a containment architecture utilizing endohedral buckminsterfullerenes (M@C60) as resonant structural cavities for metastable isotopes. The carbon-12 matrix provides a spin-zero, decoherence-free boundary, severely limiting magnetic interactions. By subjecting the system to continuous electromagnetic excitation, the secondary fluorescence of the cage acts as an unbroken projective measurement, effectively confining the nuclear state vector to its initial unstable sub-space. Furthermore, we theorize that the simultaneous removal of this monitoring field across a bulk medium of confined isotopes will lead to a highly correlated release from the Zeno-suppressed state. Drawing parallels to Dicke superradiance, this sudden restoration of normal decay channels in a dense, heavily correlated macroscopic ensemble precipitates an avalanche of stimulated nuclear transitions, acting as a triggered synchronization of fission.
The continuous observation of a quantum system is known to suppress its time evolution, a phenomenon recognized as the Quantum Zeno Effect (QZE). While typically applied to discrete atomic transitions and two-level open quantum systems, extending this principle to nuclear decay processes offers profound implications for controlling nuclear fission. In this paper, we hypothesize a novel containment architecture utilizing closo-borane and nido-borane molecular cages (e.g., B12H122−) as resonant structural cavities. By embedding metastable isotopes within these cages and subjecting the system to continuous, specific electromagnetic excitation, the secondary fluorescence of the cage acts as an unbroken projective measurement. This continuous interaction effectively confines the nuclear state vector to its initial unstable sub-space. Furthermore, we theorize that the simultaneous removal of this monitoring field across a bulk medium of confined isotopes will lead to a highly correlated release from the Zeno-suppressed state. Drawing parallels to Dicke superradiance, this sudden restoration of normal decay channels in a dense, heavily correlated macroscopic ensemble precipitates an avalanche of stimulated nuclear transitions, acting as a triggered synchronization of fission without the traditional critical mass requirements.