8 papers
Exact dynamics of first-order system-bath coherence in bilinear bosonic models
Yang-Yang Xie, Song-Lin Wu, Paul Brumer +2
We investigate the exact dynamics of first-order system--bath coherence induced by excitation exchange in bilinear bosonic models. By solving the linear Heisenberg equations, we ob…
Noise-resilient Universal Quantum Computing in the Presence of Anisotropic Noise
Yang-Yang Xie, Zhao-Ming Wang, Lian-Ao Wu
We propose a universal gate set for quantum computing that operates in the presence of decoherence without the overhead of active error correction. We show that a broad class of an…
Symmetry and Exact Solutions of General Spin-Boson Models
Yifan Sun, Lian-Ao Wu
Spin-boson models are the canonical benchmark for quantum dissipation. We show the symmetry structure of general spin-boson Hamiltonians and obtain their spectra explicitly by expl…
Steady-State Coherences under Partial Collective non-Markovian Decoherence
S. L. Wu, W. Ma, Zhao-Ming Wang +2
Steady-state coherence in open quantum systems is crucial for quantum technologies, yet its behavior is not fully understood due to the interplay between collective and individual…
Detecting Initial System-Environment Correlations from a Single Observable
Ali Abu-Nada, Russell Ceballos, Lian-Ao Wu
We address the problem of detecting initial system--environment correlations when the environment is not directly accessible. Most existing approaches rely on full state tomography…
Machine-Learning-Assisted Pulse Design for State Preparation in a Noisy Environment
Zhao-Wei Wang, Hong-Yang Ma, Yun-An Yan +2
High-precision quantum control is essential for quantum computing and quantum information processing. However, its practical implementation is challenged by environmental noise, wh…