@article{c78cdb0295c14fdb9983e806bcb455be,
title = "Phonon emission by quasiparticle decay in superconducting tunnel junctions",
abstract = "Improved measurements on phonon emission and detection by tunnel junctions show qualitative agreement with a numerical evaluation of Tewordt's theory on quasiparticle lifetime.",
author = "H. Kinder and K. Laszmann and W. Eisenmenger",
note = "Funding Information: foldings, though more complicated, were done numerically using the same scaling factor as before. The resulting theoretical enhancement of the detector signal is indicated by the dotted line in fig. 2. The qualitative agreement with experiment is rather good confirming that most of the phonons undergo the reabsorption process. The quantitative disagreement however has about the same ratio as is observed at the 4Z~ step suggesting an identical, yet unknown loss. Measurements at higher temperatures show a still increased loss indicating that the effect of finite temperature should be included in the calculation. Additional structure is seen around 2.54 (see arrow in fig. 2). A much larger but similar struc ture was observed using a generator junction of still lower impedance. In this connection the small decrease of the generator gap due to the high quasiparticle injection may be of importance We gratefully acknowledge the encouragement by Prof. E. Meyer and financial support by the Deutsche Forschungsgemeinschaft and by the Akademie der Wissenschaften GSttingen. One of us (H. K.) is indebted to Dr. F. Hoszfeld, Miss U. Rogge and Miss B. Darsow of the Institut fiir FestkSrper-und Neutronenphysik, Kernfor-schungsanlage Jiilich for the numerical data processing.",
year = "1970",
month = apr,
day = "20",
doi = "10.1016/0375-9601(70)90407-X",
language = "English",
volume = "31",
pages = "475--476",
journal = "Physics Letters, Section A: General, Atomic and Solid State Physics",
issn = "0375-9601",
publisher = "Elsevier B.V.",
number = "8",
}