4 papers
Embedding Stabilizer Codes and Leakage Correction in Multilevel Quantum Systems
Ali Abu-Nada, Lian-Ao Wu
Leakage beyond the computational subspace is a major source of error in multilevel quantum hardware. We show that any \( [[n,k,d]] \) stabilizer code can be embedded isometrically…
Dynamics and Control of Two Coupled Quantum Oscillators: An Analytical Approach
Ali Abu-Nada, Lian-Ao Wu
We analyze two coupled quantum oscillators in a common Lorentzian environment and control them by detuning (temporarily shifting) their frequencies. The reduced dynamics are solved…
Study on quantum thermalization from thermal initial states in a superconducting quantum computer
Marc Espinosa Edo, Lian-Ao Wu
Quantum thermalization in contemporary quantum devices, in particular quantum computers, has recently attracted significant theoretical interest. Unusual thermalization processes,…
Quantum search algorithm on weighted databases
Yifan Sun, Lian-Ao Wu
The Grover algorithm is a crucial solution for addressing unstructured search problems and has emerged as an essential quantum subroutine in various complex algorithms. By using a…