A three-beam setup for coherently controlling nuclear state population

Abstract

The controlled transfer of nuclear state population using two x-ray laser pulses is investigated theoretically. The laser pulses drive two nuclear transitions in a nuclear three-level system facilitating coherent population transfer via the quantum optics technique of stimulated Raman adiabatic passage. To overcome present limitations of the x-ray laser frequency, we envisage accelerated nuclei interacting with two copropagating or crossed x-ray laser pulses in a three-beam setup. We present a systematic study of this setup providing both pulse temporal sequence and laser pulse intensity for optimized control of the nuclear state population. The tolerance for geometrical parameters such as laser beam divergence of the three-beam setup as well as for the velocity spread of the nuclear beam are studied and a two-photon resonance condition to account for experimental uncertainties is deduced. This additional condition gives a less strict requirement for the experimental implementation of the three-beam setup. Present experimental state of the art and future prospects are discussed.

13 pages, 9 figures and 4 tables. arXiv admin note: substantial text overlap with arXiv:1011.4423

References in corpus (4)

• Extremely high-intensity laser interactions with fundamental quantum systems
• Isomer triggering via nuclear excitation by electron capture
• Electric dipole-forbidden nuclear transitions driven by super-intense laser fields
• Nuclear Excitation by a Zeptosecond Multi--MeV Laser Pulse

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