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Quantum Hall Physics with Cold Atoms in Cylindrical Optical Lattices
Mateusz Łącki, Hannes Pichler, Antoine Sterdyniak +5
We propose and study various realizations of a Hofstadter-Hubbard model on a cylinder geometry with fermionic cold atoms in optical lattices. The cylindrical optical lattice is cre…
Dynamical Topological Order Parameters far from Equilibrium
Jan Carl Budich, Markus Heyl
We introduce a topological quantum number -- coined dynamical topological order parameter (DTOP) -- that is dynamically defined in the real-time evolution of a quantum many-body sy…
Topological aspects of phase winding junctions in superconducting wires
Christian Spånslätt, Eddy Ardonne, Jan Carl Budich +1
We theoretically investigate Josephson junctions with a phase shift of in various proximity induced one-dimensional superconductor models. One of the salient experimental signa…
The average number of distinct sites visited by a random walker on random graphs
Caterina De Bacco, Satya N. Majumdar, Peter Sollich
We study the linear large behavior of the average number of distinct sites visited by a random walker after steps on a large random graph. An expression for the grap…