منابع مشابه
Wave function microscopy of quasibound atomic states.
In the 1980s Demkov, Kondratovich, and Ostrovsky and Kondratovich and Ostrovsky proposed an experiment based on the projection of slow electrons emitted by a photoionized atom onto a position-sensitive detector. In the case of resonant excitation, they predicted that the spatial electron distribution on the detector should represent nothing else but a magnified image of the projection of a quas...
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Experimental evidence for K̄-nuclear quasibound states is briefly reviewed. Theoretical and phenomenological arguments for and against deep K̄-nucleus potentials which might allow for narrow quasibound states are reviewed, with recent calculations suggesting that ΓK̄ ≥ 100 MeV for BK̄ ≤ 100 MeV. Results of RMF calculations that provide a lower limit of ΓK̄ ∼ 50± 10 MeV on the width of deeply bound s...
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We investigate the threshold behaviour of transmission resonances and quasibound states in the multichannel scattering problems of a one-dimensional (1D) time-dependent impurity potential, and the related problem of a single impurity in a quasi-1D wire. It was claimed before in the literature that a quasibound state disappears when a transmission zero collides with the subband boundary. However...
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Recent developments are summarised concerning low-energy K̄N interactions as they relate to the possible existence of antikaon-nuclear quasibound states. An exploratory study of antikaons bound to finite nuclei is performed, with emphasis on the evolution of such states from light to heavy nuclei (A = 16 208). The energy dependent, driving attractive K̄N interactions are constructed using the s-w...
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In this paper, a unified beam theory is developed and applied to study the buckling response of two types of functionally graded sandwich beams. In the first type (Type A), the sandwich beam has a hardcore whereas in the second type (Type B), the sandwich beam has a softcore. In both the type of beams, face sheets are made up of functionally graded material. The material properties of face shee...
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ژورنال
عنوان ژورنال: AIP Advances
سال: 2014
ISSN: 2158-3226
DOI: 10.1063/1.4865998