Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors

Nature of extrinsic and intrinsic self-trapping (ST) of charge carriers in cuprates have been studied theoretically. The binding energies and radii of the extrinsic and intrinsic large polarons and bipolarons in cuprates are calculated variationally using the continuum model and adiabatic approximat...

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Main Author: O.K. Ganiev
Format: Article
Language:English
Published: Institute for Condensed Matter Physics 2016-12-01
Series:Condensed Matter Physics
Subjects:
Online Access:http://dx.doi.org/10.5488/CMP.19.43702
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author O.K. Ganiev
author_facet O.K. Ganiev
author_sort O.K. Ganiev
collection DOAJ
description Nature of extrinsic and intrinsic self-trapping (ST) of charge carriers in cuprates have been studied theoretically. The binding energies and radii of the extrinsic and intrinsic large polarons and bipolarons in cuprates are calculated variationally using the continuum model and adiabatic approximation. We have shown that the extrinsic and intrinsic three-dimensional (3D) large bipolarons exist in underdoped cuprates at η=ε_∞/ε_0<0.127 and η<0.138, respectively [where ε_∞ (ε_0) is the optic (static) dielectric constant].
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spelling doaj.art-d0e46685bae34c67a5355a2cfec4d2b12022-12-21T21:58:54ZengInstitute for Condensed Matter PhysicsCondensed Matter Physics1607-324X2016-12-011944370210.5488/CMP.19.43702Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductorsO.K. GanievNature of extrinsic and intrinsic self-trapping (ST) of charge carriers in cuprates have been studied theoretically. The binding energies and radii of the extrinsic and intrinsic large polarons and bipolarons in cuprates are calculated variationally using the continuum model and adiabatic approximation. We have shown that the extrinsic and intrinsic three-dimensional (3D) large bipolarons exist in underdoped cuprates at η=ε_∞/ε_0<0.127 and η<0.138, respectively [where ε_∞ (ε_0) is the optic (static) dielectric constant].http://dx.doi.org/10.5488/CMP.19.43702polaronbipolaronself-trappinghigh-Tc superconductorshigh-T_c superconductors
spellingShingle O.K. Ganiev
Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
Condensed Matter Physics
polaron
bipolaron
self-trapping
high-Tc superconductors
high-T_c superconductors
title Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
title_full Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
title_fullStr Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
title_full_unstemmed Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
title_short Nature of extrinsic and intrinsic self-trapping of charge carriers in underdoped cuprate high-T_c superconductors
title_sort nature of extrinsic and intrinsic self trapping of charge carriers in underdoped cuprate high t c superconductors
topic polaron
bipolaron
self-trapping
high-Tc superconductors
high-T_c superconductors
url http://dx.doi.org/10.5488/CMP.19.43702
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