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Repulsive Polarons in One-Dimensional Fermi Gases
Ya-Dong Song1,2,(),Sachin Barthwal1,3

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Fig. 2. (Color online) (a) Red line represents polaron energy $E$ calculated with $q$ by variational method, blue line represents polaron energy $E_a$ calculated without $q$, which are calculated in equal mass systems of whole energy spectrum. (b) The line represents relative deviation of polaron energy $(E-E_a)/E$ by hole term $q$.