Coherent oscillations in small Fermi-polaron systems

Tutkimustuotos: Lehtiartikkeli

Tutkijat

Organisaatiot

  • INO-CNR
  • University of Trento
  • Polytechnic University of Catalonia
  • Ludwig Maximilian University of Munich

Kuvaus

We study the ground state and excitations of a one-dimensional trapped polarized Fermi gas interacting with a single impurity. First, we study the tunneling dynamics of the impurity through a potential barrier, such as one effectively created by a double-well trap. To this end, we perform an exact diagonalization of the full few-body Hamiltonian and analyze the results in a local-density approximation. Off-diagonal and one-particle correlation matrices are studied and are shown to be useful for discerning between different symmetries of the states. Second, we consider a radio-frequency spectroscopy of our system and the resulting spectral function. These calculations can motivate future experiments, which can provide further insight into the physics of a Fermi polaron.

Yksityiskohdat

AlkuperäiskieliEnglanti
Artikkeli063603
Sivut1-9
JulkaisuPhysical Review A
Vuosikerta96
Numero6
TilaJulkaistu - 1 joulukuuta 2017
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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