研究目的
To investigate the time correlation inside a laser pulse by detecting an instantaneous ionization rate (IIR) and its implications for strong-field atomic physics and quantum local realism tests.
研究成果
The study reveals that the IIR depends on the 'prehistory,' showing correlation between ionization events at different times inside the laser pulse. The correlation pattern changes dramatically between the multiphoton and tunneling ionization regimes, offering new insights into strong-field atomic physics and potential applications in quantum local realism tests.
研究不足
The study is theoretical and focuses on the hydrogen atom, which may limit its direct applicability to more complex systems. The correlation patterns observed may vary with different laser pulse parameters and atomic systems.
1：Experimental Design and Method Selection:
The study employs the time-dependent Schr?dinger equation (TDSE) for the hydrogen atom driven by a laser pulse to define an IIR operator and study its autocorrelation function.
2：Sample Selection and Data Sources:
The hydrogen atom is used as the sample, driven by a nearly single-cycle laser pulse with varying electric field strength.
3：List of Experimental Equipment and Materials:
The study is theoretical, utilizing numerical procedures for solving the TDSE.
4：Experimental Procedures and Operational Workflow:
The autocorrelation function of the IIR operator is calculated to study the correlation between ionization events at different times inside the laser pulse.
5：Data Analysis Methods:
The autocorrelation function is analyzed to understand the correlation patterns in the multiphoton and tunneling ionization regimes.
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