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Emergent topological properties in spatially modulated sub-wavelength barrier lattices
Giedrius Žlabys, Wen-Bin He, Domantas Burba +3
We investigate topological phenomena in a spatially modulated Dirac- lattice, where the scattering potential varies periodically in space. Changing the potential modulation freq…
Non-equilibirum physics of density-difference dependent Hamiltonian: Quantum Scarring from Emergent Chiral Symmetry
William N Faugno, Hosho Katsura, Tomoki Ozawa
Quantum many-body scars represent a form of weak ergodicity breaking that highlights the unusual physics of thermalization in quantum systems. Understanding scar formation promises…
Gain engineering and atom lasing in a topological edge state in synthetic dimensions
Takuto Tsuno, Shintaro Taie, Yosuke Takasu +3
Recent advances in quantum technology have highlighted the importance of controlling quantum states, especially in open quantum systems, where the system interacts with the environ…
Interaction-driven breakdown of Aharonov--Bohm caging in flat-band Rydberg lattices
Tao Chen, Chenxi Huang, Ivan Velkovsky +4
Flat bands play a central role in hosting emergent states of matter in many condensed matter systems, from the nascent insulating states of twisted bilayer graphene to the fraction…
Drude weight and the many-body quantum metric in one-dimensional Bose systems
Grazia Salerno, Tomoki Ozawa, Päivi Törmä
We study the effect of quantum geometry on the many-body ground state of one-dimensional interacting bosonic systems. We find that the Drude weight is given by the sum of the kinet…
Artificial magnetic field for synthetic quantum matter without dynamical modulation
Tomoki Ozawa
We propose an all-static method to realize an artificial magnetic field for charge neutral particles without introducing any time modulation. Our proposal consists of one-dimension…