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          Institute: MPI für Physik Komplexer Systeme     Collection: Atomic and molecular structure     Display Documents



ID: 478703.0, MPI für Physik Komplexer Systeme / Atomic and molecular structure
Microwave ionization of alkali-metal Rydberg states in a realistic numerical experiment
Authors:Krug, A.; Buchleitner, A.
Language:English
Date of Publication (YYYY-MM-DD):2002-11
Title of Journal:Physical Review A
Journal Abbrev.:Phys. Rev. A
Volume:66
Issue / Number:5
Sequence Number of Article:053416
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We describe an original approach for the accurate description of alkali-metal Rydberg states exposed to intense electromagnetic fields. Our method combines Floquet and R- matrix theory, complex dilation of the Hamiltonian, a Sturmian basis set to describe the atomic degrees of freedom (including the continuum), and, last but not least, an efficient parallel implementation of the Lanczos algorithm on some of the most powerful supercomputers currently available. Without adjustable parameters, this ab initio approach opens a route to the comprehensive understanding of an abundance of laboratory data on the microwave ionization of one-electron Rydberg states. The versatility of our theoretical/numerical machinery is illustrated in the specific case of microwave driven lithium, faithfully mimicking every single step of the laboratory experiment.
External Publication Status:published
Document Type:Article
Communicated by:Heidrun Näther
Affiliations:MPI für Physik Komplexer Systeme/Finite Systems/Nonlinear Dynamics in Quantum Systems
External Affiliations:Max Planck Inst Phys Komplexer Syst, Nothnitzer Str 38, D-01187; Dresden, Germany; Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
Identifiers:ISI:000179631900098
ISSN:1050-2947
URL:http://ojps.aip.org/getabs/servlet/GetabsServlet?p...
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