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Title: Small Fröhlich polaron Green's function and tunnelling in cuprates
Author: Sricheewin, Chanun
ISNI:       0000 0001 3475 9494
Awarding Body: Loughborough University
Current Institution: Loughborough University
Date of Award: 2001
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With the aid of Lang-Firsov transformation, a single particle Green's function describing the propagation of small Fröhlich polaron has been derived. One- and two-dimensional spectral functions are studied by expanding Green's function perturbatively. SIS tunnelling cuprates can also be described by some closely-related type of this Green's function. The theory allows us to determine the characteristic phonon frequencies, gap parameter, inverse-lifetime parameter and the electron-phonon coupling from the tunnelling data.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available