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Phonon squeezing in superconducting borocarbides

✍ Scribed by T. Hakioḡlu; V.A. Ivanov; A.S. Shumovsky; B. Tanatar


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
486 KB
Volume
234
Category
Article
ISSN
0921-4534

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We study the phonon states in high T c superconducting materials within a weakcoupling polaron model. It is confirmed that the squeezed state of phonons gives lower ground state energy of the whole system than the two-phonon coherent state and the displaced state proposed previously. We also examine