Adrian Del Maestro, Hatem Barghathi and Bernd Rosenow arXiv:1912.09947
We analyze fermions after an interaction quantum quench in one spatial dimension and study the growth of the steady state entanglement entropy density under either a spatial mode or particle bipartition. For integrable lattice models, we find excellent agreement between the increase of spatial and particle entanglement entropy, and for chaotic models, an examination of two further neighbor interaction strengths suggests similar correspondence. This result highlights the generality of the dynamical conversion of entanglement to thermodynamic entropy under time evolution that underlies our current framework of quantum statistical mechanics.
This repository includes links, code, scripts, and data to perform analysis and generate figures for the associated paper on understanding entanglement after an interacting quantum quench in a model of interacting spinless fermions in 1D described by Hamiltonian:
The data in this project was generated via exact diagonalization. Everything included in the data directory was generated via:
The creation of these materials was supported in part by the National Science Foundation under Award No. DMR-1553991/2041995.
