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Mode pumping in photonic lattices using a single tailored auxiliary waveguide
David Viedma, Jordi Mompart, Verònica Ahufinger
In this work, we propose a completely general method to pump the gapped topological modes of a lattice of optical waveguides by controlling the propagation constant of an auxiliary…
Local Hilbert space fragmentation and weak thermalization in Bose-Hubbard diamond necklaces
Eloi Nicolau, Anselmo M. Marques, Jordi Mompart +2
We study Bose-Hubbard models in a family of diamond necklace lattices with central sites. The single-particle spectrum of these models presents compact localized states (CLSs)…
Many-body Aharonov-Bohm caging in a lattice of rings
Eloi Nicolau, Anselmo M. Marques, Ricardo G. Dias +2
We study a system of a few ultracold bosons loaded into the states with orbital angular momentum of a one-dimensional staggered lattice of rings. Local eigenstates with windi…
High Efficiency Topological Pumping with Discrete Supersymmetry Transformations
David Viedma, Gerard Queraltó, Jordi Mompart +1
Making use of the isospectrality of Supersymmetry transformations, we propose a general and high-fidelity method to prepare gapped topological modes in discrete systems from a sing…