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Revealing electron-ytterbium interactions through Rydberg molecular spectroscopy
Tangi Legrand, Xin Wang, Milena SimiÄ +5
Divalent atoms have emerged as powerful alternatives to alkalis in ultracold atom platforms, offering unique advantages arising from their two-electron structure. Among these speci…
Observation of spin singlet butterfly Rydberg molecules in an ultracold atomic Rb gas
Markus Exner, Rohan Srikumar, Richard Blättner +4
We report the observation of spin-singlet ultra-long range Rydberg butterfly molecules consisting of a ground-state atom bound to a Rydberg atom by -wave scattering of Rb…
Analytical study of a finite-range impurity in a one-dimensional Bose gas
T. Alper YoÄurt, Matthew T. Eiles
One-dimensional Bose gases present an interesting setting to study the physics of Bose polarons, as density fluctuations play an enhanced role due to reduced dimensionality. Theore…
Quasiparticle properties of long-range impurities in a Bose condensate
T. Alper YoÄurt, Matthew T. Eiles
An impurity immersed in a Bose condensate can form a quasiparticle known as a Bose polaron. When the impurity-boson interaction is short-ranged, the quasiparticle properties can be…
Anisotropic and non-additive interactions of a Rydberg impurity in a quantum bath
Aileen A. T. Durst, Seth T. Rittenhouse, H. R. Sadeghpour +1
We present a framework for treating anisotropic and non-additive impurity-bath interactions - features that are ubiquitous in realistic quantum impurity problems, but are often neg…
Unified theory of attractive and repulsive polarons in one-dimensional Bose gas
Nikolay Yegovtsev, T. Alper YoÄurt, Matthew T. Eiles +1
We present a unified description of attractive and repulsive polarons, formed in a one-dimensional Bose gas hosting an impurity particle, by obtaining all ground and excited state…