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cond-mat.quant-gas2023★ 14 cited
Medium-induced Interaction Between Impurities in a Bose-Einstein Condensate
Moritz Drescher, Manfred Salmhofer, Tilman Enss
We consider two heavy particles immersed in a Bose-Einstein condensate in three dimensions and compute their mutual interaction induced by excitations of the medium. For an ideal B…
cond-mat.quant-gas2020★ 29 cited
Quench Dynamics of the Ideal Bose Polaron at Zero and Nonzero Temperatures
Moritz Drescher, Manfred Salmhofer, Tilman Enss
We give a detailed account of a stationary impurity in an ideal Bose-Einstein condensate, which we call the ideal Bose polaron, at both zero and non-zero temperatures and arbitrary…