Search Results for author: Xuanqiang Zhao

Found 6 papers, 4 papers with code

Concentration of Data Encoding in Parameterized Quantum Circuits

no code implementations16 Jun 2022 Guangxi Li, Ruilin Ye, Xuanqiang Zhao, Xin Wang

This result in particular implies that the average encoded state will concentrate on the maximally mixed state at an exponential speed on depth.

Combinatorial Optimization

Quantum Self-Attention Neural Networks for Text Classification

1 code implementation11 May 2022 Guangxi Li, Xuanqiang Zhao, Xin Wang

An emerging direction of quantum computing is to establish meaningful quantum applications in various fields of artificial intelligence, including natural language processing (NLP).

text-classification Text Classification

Optimal quantum dataset for learning a unitary transformation

no code implementations1 Mar 2022 Zhan Yu, Xuanqiang Zhao, Benchi Zhao, Xin Wang

In this work, we solve the problem on the minimum size of sufficient quantum datasets for learning a unitary transformation exactly, which reveals the power and limitation of quantum data.

Quantum Machine Learning

Practical distributed quantum information processing with LOCCNet

2 code implementations28 Jan 2021 Xuanqiang Zhao, Benchi Zhao, Zihe Wang, Zhixin Song, Xin Wang

Here we introduce LOCCNet, a machine learning framework facilitating protocol design and optimization for distributed quantum information processing tasks.

BIG-bench Machine Learning Quantum Machine Learning

Detecting and quantifying entanglement on near-term quantum devices

1 code implementation28 Dec 2020 Kun Wang, Zhixin Song, Xuanqiang Zhao, Zihe Wang, Xin Wang

Firstly, it decomposes a positive map into a combination of quantum operations implementable on near-term quantum devices.

Quantum Physics Strongly Correlated Electrons

Variational Quantum Algorithms for Trace Distance and Fidelity Estimation

1 code implementation10 Dec 2020 Ranyiliu Chen, Zhixin Song, Xuanqiang Zhao, Xin Wang

A novel variational algorithm for trace distance estimation is then derived from this technique, with the assistance of a single ancillary qubit.

Quantum Physics Information Theory Mathematical Physics Information Theory Mathematical Physics Optimization and Control

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