TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhys.17.6.150
TI  - Superdiffusive transport in quasi-particle dephasing models
PY  - 2024/12/03
UR  - https://scipost.org/SciPostPhys.17.6.150
JF  - SciPost Physics
JA  - SciPost Phys.
VL  - 17
IS  - 6
SP  - 150
A1  - Wang, Yu-Peng
AU  - Fang, Chen
AU  - Ren, Jie
AB  - Investigating the behavior of noninteracting fermions subjected to local dephasing, we reveal that quasi-particle dephasing can induce superdiffusive transport. This superdiffusion arises from nodal points within the momentum distribution of local dephasing quasi-particles, leading to asymptotic long-lived modes. By studying the dynamics of the Wigner function, we rigorously elucidate how the dynamics of these enduring modes give rise to Lévy walk processes, a renowned mechanism underlying superdiffusion phenomena. Our research demonstrates the controllability of dynamical scaling exponents by selecting quasi-particles and extends its applicability to higher dimensions, underlining the pervasive nature of superdiffusion in dephasing models.
ER  -

@Article{10.21468/SciPostPhys.17.6.150,
	title={{Superdiffusive transport in quasi-particle dephasing models}},
	author={Yu-Peng Wang and Chen Fang and Jie Ren},
	journal={SciPost Phys.},
	volume={17},
	pages={150},
	year={2024},
	publisher={SciPost},
	doi={10.21468/SciPostPhys.17.6.150},
	url={https://scipost.org/10.21468/SciPostPhys.17.6.150},
}