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 SM ISO690:2012KLIMIN, Serghei, DEVREESE, Josef T.. Comments on "Translation-invariant bipolarons and the problem of high-temperature superconductivity". In: Solid State Communications, 2012, vol. 152, pp. 1601-1603. ISSN 0038-1098. DOI: https://doi.org/10.1016/j.ssc.2012.05.013 |
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  Solid State Communications |
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| Volumul 152 / 2012 / ISSN 0038-1098 /ISSNe 1879-2766 | ||||||
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| DOI:https://doi.org/10.1016/j.ssc.2012.05.013 | ||||||
| Pag. 1601-1603 | ||||||
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We comment on the recent results of Refs. [1,2] on the bipolaron problem derived using an approximation of Gross-Tulub. It is proved that, contrary to the claim made in Refs. [1,2], the bipolaron ground-state energy calculated there in the strong-coupling approximation has not been shown to constitute a variational upper bound. |
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| Cuvinte-cheie D. Bipolarons, D. Fröhlich Hamiltonian, D. Polarons |
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