Symmetry-resolved dynamical purification in synthetic quantum matter
When a quantum system initialized in a product state is subjected to either coherent or
incoherent dynamics, the entropy of any of its connected partitions generically increases as …
incoherent dynamics, the entropy of any of its connected partitions generically increases as …
Symmetry decomposition of negativity of massless free fermions
We consider the problem of symmetry decomposition of the entanglement negativity in free
fermionic systems. Rather than performing the standard partial transpose, we use the partial …
fermionic systems. Rather than performing the standard partial transpose, we use the partial …
Enhanced entanglement negativity in boundary-driven monitored fermionic chains
We investigate entanglement dynamics in continuously monitored open quantum systems
featuring current-carrying nonequilibrium states. We focus on a prototypical one …
featuring current-carrying nonequilibrium states. We focus on a prototypical one …
Dynamics of charge-imbalance-resolved entanglement negativity after a quench in a free-fermion model
G Parez, R Bonsignori… - Journal of Statistical …, 2022 - iopscience.iop.org
The presence of a global internal symmetry in a quantum many-body system is reflected in
the fact that the entanglement between its subparts is endowed with an internal structure …
the fact that the entanglement between its subparts is endowed with an internal structure …
Symmetry-resolved entanglement in a long-range free-fermion chain
We investigate the symmetry resolution of entanglement in the presence of long-range
couplings. To this end, we study the symmetry-resolved entanglement entropy in the ground …
couplings. To this end, we study the symmetry-resolved entanglement entropy in the ground …
Finite-temperature entanglement negativity of fermionic symmetry-protected topological phases and quantum critical points in one dimension
We study the logarithmic entanglement negativity of symmetry-protected topological (SPT)
phases and quantum critical points (QCPs) of one-dimensional noninteracting fermions at …
phases and quantum critical points (QCPs) of one-dimensional noninteracting fermions at …
Negativity Hamiltonian: an operator characterization of mixed-state entanglement
In the context of ground states of quantum many-body systems, the locality of entanglement
between connected regions of space is directly tied to the locality of the corresponding …
between connected regions of space is directly tied to the locality of the corresponding …
Symmetric inseparability and number entanglement in charge-conserving mixed states
We explore sufficient conditions for inseparability in mixed states with a globally conserved
charge, such as a particle number. We argue that even separable states may contain …
charge, such as a particle number. We argue that even separable states may contain …
Multipartitioning topological phases by vertex states and quantum entanglement
We discuss multipartitions of the gapped ground states of (2+ 1)-dimensional topological
liquids into three (or more) spatial regions that are adjacent to each other and meet at points …
liquids into three (or more) spatial regions that are adjacent to each other and meet at points …