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Spatial control of a classical electron state in a Rydberg atom by adiabatic synchronization.
1Racah Institute of Physics, Hebrew University of Jerusalem, Jerusalem 91904, Israel.
Summary
This study introduces an adiabatic synchronization method to control electron orbital parameters in hydrogen atoms. This technique uses nonlinear phase locking for precise control and electron acceleration.
Area of Science:
- Atomic Physics
- Quantum Mechanics
- Nonlinear Dynamics
Background:
- Controlling electron orbital parameters in highly excited atoms is crucial for understanding atomic behavior.
- Previous methods often lack precision or are limited in dimensionality.
Purpose of the Study:
- To develop and demonstrate an adiabatic synchronization approach for precise control of electron orbital eccentricity and inclination.
- To investigate the underlying mechanism of nonlinear phase locking (autoresonance) in this context.
Main Methods:
- Utilizing a spatially uniform, chirped frequency oscillating electric field.
- Employing the principle of nonlinear phase locking (autoresonance) with the electron's Keplerian motion.
- Achieving three-dimensional control through slow passage and capture into resonances.
Main Results:
- Demonstrated efficient control of orbital eccentricity and inclination in a hydrogen atom.
- Identified scenarios for guaranteed capture and synchronization, dependent on a field amplitude threshold.
- Established the threshold's scaling with the driving frequency sweep rate (A^(3/4)).
Conclusions:
- Adiabatic synchronization provides a robust method for controlling atomic electron orbits.
- The technique allows for gradual electron acceleration using dipolar fields, approaching the stochastic ionization limit.
- This approach offers a new pathway for manipulating atomic states with high precision.