Repulsive Fermi and Bose polarons in quantum gases
Polaron quasiparticles are formed when a mobile impurity is coupled to the elementary
excitations of a many-particle background. In the field of ultracold atoms, the study of the …
excitations of a many-particle background. In the field of ultracold atoms, the study of the …
Cuprate superconductors as viewed through a striped lens
JM Tranquada - Advances in Physics, 2020 - Taylor & Francis
Understanding the electron pairing in hole-doped cuprate superconductors has been a
challenge, in particular because the “normal” state from which it evolves is unprecedented …
challenge, in particular because the “normal” state from which it evolves is unprecedented …
Imaging magnetic polarons in the doped Fermi–Hubbard model
Polarons—electronic charge carriers 'dressed'by a local polarization of the background
environment—are among the most fundamental quasiparticles in interacting many-body …
environment—are among the most fundamental quasiparticles in interacting many-body …
Observation of Nagaoka polarons in a Fermi–Hubbard quantum simulator
Quantum interference can deeply alter the nature of many-body phases of matter. In the
case of the Hubbard model, Nagaoka proved that introducing a single itinerant charge can …
case of the Hubbard model, Nagaoka proved that introducing a single itinerant charge can …
String patterns in the doped Hubbard model
Understanding strongly correlated quantum many-body states is one of the most difficult
challenges in modern physics. For example, there remain fundamental open questions on …
challenges in modern physics. For example, there remain fundamental open questions on …
Classifying snapshots of the doped Hubbard model with machine learning
Quantum gas microscopes for ultracold atoms can provide high-resolution real-space
snapshots of complex many-body systems. We implement machine learning to analyse and …
snapshots of complex many-body systems. We implement machine learning to analyse and …
Direct observation of nonlocal fermion pairing in an attractive Fermi-Hubbard gas
The Hubbard model of attractively interacting fermions provides a paradigmatic setting for
fermion pairing. It features a crossover between Bose-Einstein condensation of tightly bound …
fermion pairing. It features a crossover between Bose-Einstein condensation of tightly bound …