TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhys.18.6.184
TI  - Emergent dipole field theory in atomic ladders
PY  - 2025/06/10
UR  - https://scipost.org/SciPostPhys.18.6.184
JF  - SciPost Physics
JA  - SciPost Phys.
VL  - 18
IS  - 6
SP  - 184
A1  - Bueno Xavier, Hernan
AU  - Tarabunga, Poetri Sonya
AU  - Dalmonte, Marcello
AU  - Pereira, Rodrigo G.
AB  - We study the dynamics of hard-core bosons on ladders, in the presence of strong kinetic constrains akin to those of the Bariev model. We use a combination of analytical methods and numerical simulations to establish the phase diagram of the model. The model displays a paired Tomonaga-Luttinger liquid phase featuring an emergent dipole symmetry, which encodes the local pairing constraint into a global, nonlocal quantity. We scrutinize the effect of such emergent low-energy symmetry during quench dynamics including single-particle defects. We observe that, despite being approximate, the dipole symmetry still leads to very slow relaxation dynamics, which we model via an effective field theory. The model we discuss is amenable to realization in both cold atoms in optical lattices and Rydberg atom arrays with dynamics taking place solely in the Rydberg manifold. To observe the unusual dynamics of excitations in such experimental platforms, we propose a two-step protocol, which starts with the quasi-adiabatic preparation of low-energy states, followed by the local creation of defects and their study under quench dynamics.
ER  -

@Article{10.21468/SciPostPhys.18.6.184,
	title={{Emergent dipole field theory in atomic ladders}},
	author={Hernan B. Xavier and Poetri Sonya Tarabunga and Marcello Dalmonte and Rodrigo G. Pereira},
	journal={SciPost Phys.},
	volume={18},
	pages={184},
	year={2025},
	publisher={SciPost},
	doi={10.21468/SciPostPhys.18.6.184},
	url={https://scipost.org/10.21468/SciPostPhys.18.6.184},
}