11 citations · 16 across the 10 of their papers we have counts for
12 papers
The diffusive spectral gap of the qubit eSWAP chain
Yanying Liang, Haoran Zhu
We prove that the second-moment Hamiltonian of the open qubit eSWAP chain has a diffusive spectral gap, resolving a conjecture of Li, Zheng, Liu, Jiang, and Liu. We also characteri…
iSWAP maximises the second-moment spectral gap in random quantum circuits
Yanying Liang, Haoran Zhu
We prove that the gate maximises the spectral gap of the Hermitian second-moment operator on every connected graph with at least three vertices, among all two-loca…
Spectral gaps of ironed two-qubit gadgets matching the iSWAP gap
Yanying Liang, Haoran Zhu
We prove that every ironed two-qubit gadget whose KAK-derived parameter satisfies has, on the complete graph with , the same second-moment spectral gap…
A Dynamical Lie-Algebraic Framework for Hamiltonian Engineering and Quantum Control
Yanying Liang, Ruibin Xu, Mao-Sheng Li +2
Determining the unitary dynamics accessible from finite Hamiltonian resources is a central problem in Hamiltonian engineering and quantum control. Dynamical Lie algebras (DLAs) con…
Entangled mixed-state datasets generation by quantum machine learning
Ruibin Xu, Zheng Zheng, Yanying Liang +1
The advancement of classical machine learning is inherently linked to the establishment and progression of classical dataset. In quantum machine learning (QML), there is an analogo…
Enhancing Variational Quantum Circuit Training: An Improved Neural Network Approach for Barren Plateau Mitigation
Zhehao Yi, Yanying Liang, Haozhen Situ
Combining classical optimization with parameterized quantum circuit evaluation, variational quantum algorithms (VQAs) are among the most promising algorithms in near-term quantum c…
Polygamy relations for tripartite and multipartite quantum systems
Yanying Liang, Haozhen Situ, Zhu-Jun Zheng
We study the polygamy property for tripartite and multipartite quantum systems. In tripartite system, we build a solution set for polygamy in tripartite system and find a lower bou…
Learnability of a hybrid quantum-classical neural network for graph-structured quantum data
Yanying Liang, Sile Tang, Zhehao Yi +2
Graph-structured data commonly arise in many real-world applications, and this extends naturally into the quantum setting, where quantum data with inherent graph structures are fre…
A hybrid quantum-classical neural network with deep residual learning
Yanying Liang, Wei Peng, Zhu-Jun Zheng +2
Inspired by the success of classical neural networks, there has been tremendous effort to develop classical effective neural networks into quantum concept. In this paper, a novel h…
Monogamy relations and upper bounds for the generalized -class states using Rényi- entropy
Yanying Liang, Zhu-Jun Zheng, Chuan-Jie Zhu
We investigate monogamy relations and upper bounds for generalized -class states related to the Rényi- entropy. First, we present an analytical formula on Rényi- entanglem…
Tighter monogamy and polygamy relations using Rényi- entropy
Yanying Liang, Zhu-Jun Zheng, Chuan-Jie Zhu
We investigate monogamy relations related to the Rényi- entanglement and polygamy relations related to the Rényi- entanglement of assistance. We present new entanglement mono…
General Monogamy Relations for Multiqubit W-class States in terms of negativity and squared Rényi- entanglement
Yanying Liang, Xiufang Feng, Wei Chen
For multipartite entangled states, entanglement monogamy is an important property. We investigate the monogamy relations for multiqubit generalized W-class states. We present new a…