4 papers
Driven dynamics of an attractive Bose polaron
Saptarshi Majumdar, Aleksandra PetkoviÄ
We study the out-of-equilibrium dynamics of an impurity driven by a constant external force through a system of homogeneous weakly-interacting bosons in one spatial dimension. The…
Long-lived oscillations of an attractive polaron in a Bose gas
Saptarshi Majumdar, Aleksandra PetkoviÄ
We study the out-of-equilibrium dynamics of an attractively interacting impurity suddenly immersed with a nonzero initial velocity into a system of one-dimensional weakly interacti…
Bethe-ansatz study of the Bose-Fermi mixture
Soham Chandak, Aleksandra PetkoviÄ, Zoran Ristivojevic
We consider a one-dimensional mixture of bosons and spinless fermions with contact interactions. In this system, the elementary excitations at low energies are described by four li…
Bloch oscillations of a mobile impurity in a one-dimensional Bose gas
Saptarshi Majumdar, Aleksandra PetkoviÄ
We study the motion of an impurity under the action of a constant force through a one-dimensional system of weakly-interacting bosons. The interplay of the impurity-boson interacti…