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Renewal approach for the energy–momentum relation of the Fröhlich polaron
We study the qualitative behaviour of the energy–momentum relation of the Fröhlich polaron at fixed coupling strength. Among other properties, we show that it is non-decreasing and that the correction to the quasi-particle energy is negative. We give a proof that the effective mass lies in [Formula:...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer Netherlands
2023
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10435608/ https://www.ncbi.nlm.nih.gov/pubmed/37601030 http://dx.doi.org/10.1007/s11005-023-01711-w |