Near-threshold photodetachment of H sup minus in parallel and crossed electric and magnetic fields

Journal Article · Tue Jan 01 04:00:00 EST 1991 · Physical Review, A; (USA)

DOI:https://doi.org/10.1103/PhysRevA.43.258· OSTI ID:6256533

Fabrikant, I I ^[1]

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1. Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0111 (US)

Photodetachment of negative H{sup {minus}} ions in parallel and crossed static electric and magnetic fields is considered for the case of photon polarization parallel to the electric field. The final-state interaction between the electron and the H atom is included in the framework of the zero-range-potential approximation combined with the frame transformation theory. The cross section shows modulations caused by the electric field that are enhanced by the magnetic field. Singular behavior of the cross section at Landau thresholds due to the magnetic field can be strongly suppressed by a weak electric field. Final-state interaction effects in the case under consideration are significant for very strong magnetic fields {ital B}{ge}60 T.

• OSTI ID: 6256533
• Journal Information: Physical Review, A; (USA), Journal Name: Physical Review, A; (USA) Vol. 43:1; ISSN 1050-2947; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
CHARGED PARTICLES
COLLISIONS
CROSSED FIELDS
ELECTRIC FIELDS
ELECTRON DETACHMENT
ENERGY
FINAL-STATE INTERACTIONS
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
INTERACTIONS
ION COLLISIONS
IONS
MAGNETIC FIELDS
PHOTON COLLISIONS
PHOTON-ION COLLISIONS
POLARIZATION
THRESHOLD ENERGY