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hep-th2024
Higher-Order Krylov State Complexity in Random Matrix Quenches
Hugo A. Camargo, Yichao Fu, Viktor Jahnke +2
In quantum many-body systems, time-evolved states typically remain confined to a smaller region of the Hilbert space known as the . The time evolution can…
hep-th2024
Wedge Holographic Complexity in Karch-Randall Braneworld
Yichao Fu, Keun-Young Kim
We investigate holographic complexities in the context of wedge holography, focusing specifically on black string geometry in AdS. The wedge spacetime is bounded by two end-of-…
quant-ph2024
Statistics and Complexity of Wavefunction Spreading in Quantum Dynamical Systems
Yichao Fu, Keun-Young Kim, Kunal Pal +1
We consider the statistics of the results of a measurement of the spreading operator in the Krylov basis generated by the Hamiltonian of a quantum system starting from a specified…