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Correlated squeezed phonon states

✍ Scribed by C.F. Lo; R. Sollie


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
492 KB
Volume
169
Category
Article
ISSN
0375-9601

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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