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Temperature dependence of dephasing of impurities in amorphous hosts

✍ Scribed by R. Reineker; H. Morawitz

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
429 KB
Volume
86
Category
Article
ISSN
0009-2614

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✦ Synopsis

The tcmpcraturc dcpcndcncc of the optical lmcwdth ol an impunty unbcddcd ma glassy matrn is mvcstlgted. Tbc model hamlltonnn couples the unpurity to tao-level systems (TLSs) characwristlc for the glassy state and the rLSs 10 the ocoustw phonons of the matw. It is shown that the Imcwdth dcpcnds strongly on Ihe parameters dcscrlbiq the TLSs and that II shows B hncm tcmpcrature dependence 3150 well below the Dcbye lempcrature.

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