Symmetry-resolved entanglement in fermionic systems with dissipation
- URL: http://arxiv.org/abs/2303.12120v1
- Date: Tue, 21 Mar 2023 18:15:13 GMT
- Title: Symmetry-resolved entanglement in fermionic systems with dissipation
- Authors: Sara Murciano, Pasquale Calabrese and Vincenzo Alba
- Abstract summary: We derive a hydrodynamic description of the dynamics of several entanglement-related quantities.
We show that all these quantities admit a hydrodynamic description in terms of entangled quasiparticles.
Our results hold in the weak-dissipative hydrodynamic limit of large intervals, long times and weak dissipation rates.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We investigate symmetry-resolved entanglement in out-of-equilibrium fermionic
systems subject to gain and loss dissipation, which preserves the
block-diagonal structure of the reduced density matrix. We derive a
hydrodynamic description of the dynamics of several entanglement-related
quantities, such as the symmetry-resolved von Neumann entropy and the
charge-imbalance-resolved fermionic negativity. We show that all these
quantities admit a hydrodynamic description in terms of entangled
quasiparticles. While the entropy is dominated by dissipative processes, the
resolved negativity is sensitive to the presence of entangled quasiparticles,
and it shows the typical ``rise and fall'' dynamics. Our results hold in the
weak-dissipative hydrodynamic limit of large intervals, long times and weak
dissipation rates.
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