Interference in electron-positron creation |
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Authors: | T Cheng N I Chott Q Su R Grobe |
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Institution: | (1) Intense Laser Physics Theory Unit and Department of Physics, Illinois State University, Normal, IL 61790-4560, USA |
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Abstract: | We explore the mutual coherence properties of electrons that are created by a subcritical time-dependent force field. We compare the spatial evolution of the quantum field theoretical density with that of a relativistic classical mechanical ensemble. We find that portions of the electron cloud that were created sufficiently far from each other are not able to show interference patterns as they pass each other. The corresponding classical phase-space density reveals interesting spiral-shaped gaps, which have their manifestation in the corresponding quantum field theoretical data. |
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