Frequency-modulated laser pulses produce electron-positron pairs with momentum spectra whose peaks reveal the pulse's frequency components, and can enhance a per-momentum pair density by up to about 200 times.
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Electron-positron pair production in frequency modulated laser fields
Frequency-modulated laser pulses produce electron-positron pairs with momentum spectra whose peaks reveal the pulse's frequency components, and can enhance a per-momentum pair density by up to about 200 times.