Thouless pum** and topology

R Citro, M Aidelsburger - Nature Reviews Physics, 2023 - nature.com
Thouless pum** provides one of the simplest manifestations of topology in quantum
systems and has attracted a lot of recent interest, both theoretically and experimentally …

Quantization and its breakdown in a Hubbard–Thouless pump

AS Walter, Z Zhu, M Gächter, J Minguzzi, S Roschinski… - Nature Physics, 2023 - nature.com
Geometric properties of wave functions can explain the appearance of topological invariants
in many condensed-matter and quantum systems. For example, topological invariants …

Splitting of topological charge pum** in an interacting two-component fermionic Rice-Mele Hubbard model

E Bertok, F Heidrich-Meisner, AA Aligia - Physical Review B, 2022 - APS
A Thouless pump transports an integer amount of charge when pum** adiabatically
around a singularity. We study the splitting of such a critical point into two separate critical …

Quantized Thouless pumps protected by interactions in dimerized Rydberg tweezer arrays

S Julià-Farré, J Argüello-Luengo, L Henriet, A Dauphin - Physical Review A, 2024 - APS
We study Thouless pumps, ie, adiabatic topological transport, in an interacting spin chain
described by the dimerized XXZ Hamiltonian. In the noninteracting case, quantized …

Stabilization of Hubbard-Thouless pumps through nonlocal fermionic repulsion

J Argüello-Luengo, MJ Mark, F Ferlaino… - Quantum, 2024 - quantum-journal.org
Thouless pum** represents a powerful concept to probe quantized topological invariants
in quantum systems. We explore this mechanism in a generalized Rice-Mele Fermi-Hubbard …

Engineering the unidirectional topological excitation transmission and topological diode in the Rice-Mele model

L Qi, N Han, S Hu, AL He - Physical Review A, 2023 - APS
We show how to implement the unidirectional topological excitation transmission in the Rice-
Mele model. We find that the unidirectional excitation transmissions can be implemented via …

Arbitrary entangled state transfer via a topological qubit chain

C Wang, L Li, J Gong, Y Liu - Physical Review A, 2022 - APS
Quantum state transfer is one of the basic tasks in quantum information processing. We here
propose a theoretical approach to realize arbitrary entangled state transfer through a qubit …

Interaction-induced charge pum** in a topological many-body system

K Viebahn, AS Walter, E Bertok, Z Zhu… - ar** has numerous applications in quantum information processing, eg, the
spatial entanglement distribution of the two correlated particles via the disordered bulk …

Interacting bosons on a Su-Schrieffer-Heeger ladder: Topological phases and Thouless pum**

A Padhan, S Mondal, S Vishveshwara, T Mishra - Physical Review B, 2024 - APS
We study the topological properties of hardcore bosons on a two-leg ladder consisting of two
Su-Schrieffer-Heeger chains that are coupled via hop** and interaction. We chart out the …