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Higher-Dimensional Information Lattice: Quantum State Characterization through Inclusion-Exclusion Local Information
Ian Matthias Flór, Claudia Artiaco, Thomas Klein Kvorning +1
We generalize the information lattice, originally defined for one-dimensional open-boundary chains, to characterize quantum many-body states in higher-dimensional geometries. In on…
Witnessing Short- and Long-Range Nonstabilizerness via the Information Lattice
Yuliya Bilinskaya, Miguel F. Martínez, Soumi Ghosh +3
We study nonstabilizerness on the information lattice, and demonstrate that noninteger local information directly indicates nonstabilizerness. For states with a clear separation of…
Local Information Flow in Quantum Quench Dynamics
Nicolas P. Bauer, Björn Trauzettel, Thomas Klein Kvorning +2
We investigate the out-of-equilibrium dynamics of quantum information in one-dimensional systems undergoing a quantum quench using a local perspective based on the information latt…
Universal Characterization of Quantum Many-Body States through Local Information
Claudia Artiaco, Thomas Klein Kvorning, David Aceituno Chávez +2
We propose a universal framework for classifying quantum states based on their scale-resolved correlation structure. Using the recently introduced information lattice, which provid…
Efficient Large-Scale Many-Body Quantum Dynamics via Local-Information Time Evolution
Claudia Artiaco, Christoph Fleckenstein, David Aceituno Chávez +2
During time evolution of many-body systems entanglement grows rapidly, limiting exact simulations to small-scale systems or small timescales. Quantum information tends however to f…
Time-evolution of local information: thermalization dynamics of local observables
Thomas Klein Kvorning, Loïc Herviou, Jens H. Bardarson
Quantum many-body dynamics generically results in increasing entanglement that eventually leads to thermalization of local observables. This makes the exact description of the dyna…