Flat band fine-tuning and its photonic applications

C Danieli, A Andreanov, D Leykam, S Flach - Nanophotonics, 2024 - degruyter.com
Flat bands–single-particle energy bands–in tight-binding lattices, aka networks, have
attracted attention due to the presence of macroscopic degeneracies and their sensitivity to …

Aharonov-Bohm caging and inverse Anderson transition in ultracold atoms

H Li, Z Dong, S Longhi, Q Liang, D **e, B Yan - Physical Review Letters, 2022 - APS
Aharonov-Bohm (AB) caging, a special flat-band localization mechanism, has spurred great
interest in different areas of physics. AB caging can be harnessed to explore the rich and …

Disorder-free localization and many-body quantum scars from magnetic frustration

PA McClarty, M Haque, A Sen, J Richter - Physical Review B, 2020 - APS
The concept of geometrical frustration has led to rich insights into condensed matter physics,
especially as a mechanism to produce exotic low-energy states of matter. Here we show that …

Experimental probes of Stark many-body localization

SR Taylor, M Schulz, F Pollmann, R Moessner - Physical Review B, 2020 - APS
Recent work has focused on exploring many-body localization (MBL) in systems without
quenched disorder: one such proposal is Stark MBL in which small perturbations to a strong …

Flat-band localization in Creutz superradiance lattices

Y He, R Mao, H Cai, JX Zhang, Y Li, L Yuan, SY Zhu… - Physical Review Letters, 2021 - APS
Flat bands play an important role in diffraction-free photonics and attract fundamental
interest in many-body physics. Here we report the engineering of flat-band localization of …

Critical-to-insulator transitions and fractality edges in perturbed flat bands

S Lee, A Andreanov, S Flach - Physical Review B, 2023 - APS
We study the effect of quasiperiodic perturbations on one-dimensional all-bands-flat lattice
models. Such networks can be diagonalized by a finite sequence of local unitary …

Many-body flatband localization

C Danieli, A Andreanov, S Flach - Physical Review B, 2020 - APS
We generate translationally invariant systems exhibiting many-body localization from all-
bands-flat single-particle lattice Hamiltonians dressed with suitable short-range many-body …

Transition from Flat-Band Localization to Anderson Localization in a One-Dimensional Tasaki Lattice

C Zeng, YR Shi, YY Mao, FF Wu, YJ **e, T Yuan… - Physical Review Letters, 2024 - APS
We report an extensive experimental investigation on the transition from flat-band
localization (FBL) to Anderson localization (AL) in a one-dimensional synthetic lattice in the …

Intramolecular vibrational energy redistribution and the quantum ergodicity transition: a phase space perspective

S Karmakar, S Keshavamurthy - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
Intramolecular vibrational energy redistribution (IVR) impacts the dynamics of reactions in a
profound way. Theoretical and experimental studies are increasingly indicating that …

Flat-band generator in two dimensions

W Maimaiti, A Andreanov, S Flach - Physical Review B, 2021 - APS
Dispersionless bands, flat bands, provide an excellent test bed for novel physical phases
due to the fine-tuned character of flat band tight-binding Hamiltonians. The accompanying …