Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence
| ISSN: |
0921-4534
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|---|---|
| Source: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
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| Topics: |
Physics
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| Type of Medium: |
Electronic Resource
|
| URL: |
| _version_ | 1798292109727367169 |
|---|---|
| autor | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| autorsonst | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| book_url | http://linkinghub.elsevier.com/retrieve/pii/0921-4534(88)90574-6 |
| datenlieferant | nat_lic_papers |
| fussnote | We remark that the resistivity temperature dependence of strong coupled electron-phonon systems like A-15 and C-15 superconductors and CDW compounds is scaled by the energy of the soft modes present in these materials. We then attribute the s-shape to anomalous electron scattering by these soft phonons. We postulate the existence of local entities, the molecular states, formed by a local deformation that creates an attractive potential for the electrons. Depending on the cost of elastic energy compared with the electronic energy gain the distorted state can be the ground state (CDW) or an excited state. Within a simplified exactly solvable model for this last case we calculate the temperature dependence of the resistivity ρ and the susceptibility X, that we compare satisfactory with the experimental results. |
| hauptsatz | hsatz_simple |
| identnr | NLZ179074393 |
| issn | 0921-4534 |
| journal_name | Physica C: Superconductivity and its applications |
| materialart | 1 |
| package_name | Elsevier |
| publikationsort | Amsterdam |
| publisher | Elsevier |
| reference | 153-155 (1988), S. 245-246 |
| search_space | articles |
| shingle_author_1 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| shingle_author_2 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| shingle_author_3 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| shingle_author_4 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. |
| shingle_catch_all_1 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence 0921-4534 09214534 Elsevier |
| shingle_catch_all_2 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence 0921-4534 09214534 Elsevier |
| shingle_catch_all_3 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence 0921-4534 09214534 Elsevier |
| shingle_catch_all_4 | Nunez Regueiro, M. Ortiz, G. Nunez Regueiro, D. Alascio, B. Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence 0921-4534 09214534 Elsevier |
| shingle_title_1 | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence |
| shingle_title_2 | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence |
| shingle_title_3 | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence |
| shingle_title_4 | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence |
| sigel_instance_filter | dkfz geomar wilbert ipn albert fhp |
| source_archive | Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
| timestamp | 2024-05-06T08:43:18.198Z |
| titel | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence |
| titel_suche | Molecular states in strong coupling systems: Soft modes and anomalous resistivity and susceptibility temperature dependence We remark that the resistivity temperature dependence of strong coupled electron-phonon systems like A-15 and C-15 superconductors and CDW compounds is scaled by the energy of the soft modes present in these materials. We then attribute the s-shape to anomalous electron scattering by these soft phonons. We postulate the existence of local entities, the molecular states, formed by a local deformation that creates an attractive potential for the electrons. Depending on the cost of elastic energy compared with the electronic energy gain the distorted state can be the ground state (CDW) or an excited state. Within a simplified exactly solvable model for this last case we calculate the temperature dependence of the resistivity ρ and the susceptibility X, that we compare satisfactory with the experimental results. |
| topic | U |
| uid | nat_lic_papers_NLZ179074393 |