Global-local ansatz and dynamical coherent potential approximation study of off-diagonal exciton-phonon coupling
We study the generalized Holstein Hamiltonian in the simultaneous presence of diagonal and off-diagonal exciton-phonon couplings using the global-local Ansatz and the dynamical coherent potential approximation (under the Hartree approximation). The former yields detailed exciton-phonon correlations...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2011
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/99800 http://hdl.handle.net/10220/6740 |
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| Institution: | Nanyang Technological University |
| Language: | English |