Excitation spectra and rf response near the polaron-to-molecule transition from the functional renormalization group
A light impurity in a Fermi sea undergoes a transition from a polaron to a molecule for increasing interaction. We develop a method to compute the spectral functions of the polaron and molecule in a unified framework based on the functional renormalization group with full self-energy feedback. We di...
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| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
15 June 2011
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| In: |
Physical review. A, Atomic, molecular, and optical physics
Year: 2011, Jahrgang: 83, Heft: 6 |
| ISSN: | 1094-1622 |
| DOI: | 10.1103/PhysRevA.83.063620 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevA.83.063620 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.83.063620 
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| Verfasserangaben: | Richard Schmidt and Tilman Enss |
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Excitation spectra and rf-response near the polaron-to-molecule transition from the functional renormalization group
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