48 citations · 168 across the 8 of their papers we have counts for
8 papers
Fermionization of a Few-Body Bose System Immersed into a Bose-Einstein Condensate
Tim Keller, Thomás Fogarty, Thomas Busch
We study the recently introduced self-pinning transition [Phys. Rev. Lett. 128, 053401 (2022)] in a quasi-one-dimensional two-component quantum gas in the case where the component…
Self-Pinning Transition of a Tonks-Girardeau Gas in a Bose-Einstein Condensate
Tim Keller, Thomás Fogarty, Thomas Busch
We show that a Tonks-Girardeau (TG) gas that is immersed in a Bose-Einstein condensate can undergo a transition to a crystal-like Mott state with regular spacing between the atoms…
Adiabatic critical quantum metrology cannot reach the Heisenberg limit even when shortcuts to adiabaticity are applied
Karol Gietka, Friederike Metz, Tim Keller +1
We show that the quantum Fisher information attained in an adiabatic approach to critical quantum metrology cannot lead to the Heisenberg limit of precision and therefore regular q…
A Feshbach engine in the Thomas-Fermi regime
Tim Keller, Thomás Fogarty, Jing Li +1
Bose-Einstein condensates can be used to produce work by tuning the strength of the interparticle interactions with the help of Feshbach resonances. In inhomogeneous potentials, th…
Quenches across the self-organization transition in multimode cavities
Tim Keller, Valentin Torggler, Simon B. Jäger +3
A cold dilute atomic gas in an optical resonator can be radiatively cooled by coherent scattering processes when the driving laser frequency is tuned close but below the cavity res…
SCYNet: Testing supersymmetric models at the LHC with neural networks
Philip Bechtle, Sebastian Belkner, Daniel Dercks +6
SCYNet (SUSY Calculating Yield Net) is a tool for testing supersymmetric models against LHC data. It uses neural network regression for a fast evaluation of the profile likelihood…
Phases of cold atoms interacting via photon-mediated long-range forces
Tim Keller, Simon B. Jäger, Giovanna Morigi
Atoms in high-finesse optical resonators interact via the photons they multiply scatter into the cavity modes. The dynamics is characterized by dispersive and dissipative optomecha…
Probing the out-of-equilibrium dynamics of two interacting atoms
Tim Keller, Thomás Fogarty
We study the out-of-equilibrium dynamics of two interacting atoms in a one-dimensional harmonic trap after a quench by a tightly pinned impurity atom. We make use of an approximate…