Xin Wang
Xin Wang
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Upper Bounds on the Distillable Randomness of Bipartite Quantum States
The distillable randomness of a bipartite quantum state is an information-theoretic quantity equal to the largest net rate at which …
Ludovico Lami
,
Bartosz Regula
,
Xin Wang
,
Mark M. Wilde
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Bounding the forward classical capacity of bipartite quantum channels
Dawei Ding
,
Sumeet Khatri
,
Yihui Quek
,
Peter W Shor
,
Xin Wang
,
Mark M Wilde
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DOI
Optimal Quantum Dataset for Learning a Unitary Transformation
Unitary transformations formulate the time evolution of quantum states. How to learn a unitary transformation efficiently is a …
Zhan Yu
,
Xuanqiang Zhao
,
Benchi Zhao
,
Xin Wang
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DOI
Lower bound the T-count via unitary stabilizer nullity
We introduce magic measures for multi-qubit quantum gates and establish lower bounds on the non-Clifford resources for fault-tolerant …
Jiaqing Jiang
,
Xin Wang
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Quantum algorithms for estimating quantum entropies
Youle Wang
,
Benchi Zhao
,
Xin Wang
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Exact entanglement cost of quantum states and channels under positive-partial-transpose-preserving operations
Copyright © 2018, arXiv, All rights reserved. This paper establishes single-letter formulas for the exact entanglement cost of …
Xin Wang
,
Mark M. Wilde
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DOI
Quantum Self-Attention Neural Networks for Text Classification
An emerging direction of quantum computing is to establish meaningful quantum applications in various fields of artificial …
Guangxi Li
,
Xuanqiang Zhao
,
Xin Wang
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Mitigating barren plateaus of variational quantum eigensolvers
Variational quantum algorithms (VQAs) are expected to establish valuable applications on near-term quantum computers. However, recent …
Xia Liu
,
Geng Liu
,
Jiaxin Huang
,
Hao-Kai Zhang
,
Xin Wang
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Fundamental limitations on optimization in variational quantum algorithms
Exploring quantum applications of near-term quantum devices is a rapidly growing field of quantum information science with both …
Hao-Kai Zhang
,
Chengkai Zhu
,
Geng Liu
,
Xin Wang
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Information recoverability of noisy quantum states
Extracting classical information from quantum systems is an essential step of many quantum algorithms. However, this information could …
Xuanqiang Zhao
,
Benchi Zhao
,
Zihan Xia
,
Xin Wang
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Variational quantum algorithms for trace distance and fidelity estimation
Estimating the difference between quantum data is crucial in quantum computing. However, as typical characterizations of quantum data …
Ranyiliu Chen
,
Zhixin Song
,
Xuanqiang Zhao
,
Xin Wang
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DOI
Quantum Phase Processing: Transform and Extract Eigen-Information of Quantum Systems
Quantum computing can provide speedups in solving many problems as the evolution of a quantum system is described by a unitary operator …
Youle Wang
,
Lei Zhang
,
Zhan Yu
,
Xin Wang
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Power and limitations of single-qubit native quantum neural networks
Quantum neural networks (QNNs) have emerged as a leading strategy to establish applications in machine learning, chemistry, and …
Zhan Yu
,
Hongshun Yao
,
Mujin Li
,
Xin Wang
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Physical Implementability of Linear Maps and Its Application in Error Mitigation
Completely positive and trace-preserving maps characterize physically implementable quantum operations. On the other hand, general …
Jiaqing Jiang
,
Kun Wang
,
Xin Wang
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DOI
Variational Quantum Gibbs State Preparation with a Truncated Taylor Series
Youle Wang
,
Guangxi Li
,
Xin Wang
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DOI
Mitigating Quantum Errors via Truncated Neumann Series
Quantum gates and measurements on quantum hardware are inevitably subject to hardware imperfections that lead to quantum errors. …
Kun Wang
,
Yu-Ao Chen
,
Xin Wang
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Near-term Efficient Quantum Algorithms for Entanglement Analysis
Entanglement plays a crucial role in quantum physics and is the key resource in quantum information processing. However, entanglement …
Ranyiliu Chen
,
Benchi Zhao
,
Xin Wang
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Symmetric distinguishability as a quantum resource
We develop a resource theory of symmetric distinguishability, the fundamental objects of which are elementary quantum information …
Robert Salzmann
,
Nilanjana Datta
,
Gilad Gour
,
Xin Wang
,
Mark M. Wilde
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DOI
Pursuing the Fundamental Limits for Quantum Communication
The quantum capacity of a noisy quantum channel determines the maximal rate at which we can code reliably over asymptotically many uses …
Xin Wang
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DOI
Variational Quantum Singular Value Decomposition
Singular value decomposition is central to many problems in engineering and scientific fields. Several quantum algorithms have been …
Xin Wang
,
Zhixin Song
,
Youle Wang
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DOI
Noise-Assisted Quantum Autoencoder
Quantum autoencoder is an efficient variational quantum algorithm for quantum data compression. However, previous quantum autoencoders …
Chenfeng Cao
,
Xin Wang
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DOI
Measurement Error Mitigation via Truncated Neumann Series
Measurements on near-term quantum processors are inevitably subject to hardware imperfections that lead to readout errors. Mitigation …
Kun Wang
,
Yu-Ao Chen
,
Xin Wang
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Upper bound on the classical capacity of a quantum channel assisted by classical feedback
Dawei Ding
,
Sumeet Khatri
,
Yihui Quek
,
Peter W Shor
,
Xin Wang
,
Mark M Wilde
Cite
DOI
Quantum algorithms for hedging and the learning of Ising models
A paradigmatic algorithm for online learning is the Hedge algorithm by Freund and Schapire. An allocation into different strategies is …
Patrick Rebentrost
,
Yassine Hamoudi
,
Maharshi Ray
,
Xin Wang
,
Siyi Yang
,
Miklos Santha
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DOI
LOCCNet: a machine learning framework for distributed quantum information processing
Distributed quantum information processing is essential for building quantum networks and enabling more extensive quantum computations. …
Xuanqiang Zhao
,
Benchi Zhao
,
Zihe Wang
,
Zhixin Song
,
Xin Wang
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DOI
Detecting and quantifying entanglement on near-term quantum devices
Quantum entanglement is a key resource in quantum technology, and its quantification is a vital task in the current Noisy …
Kun Wang
,
Zhixin Song
,
Xuanqiang Zhao
,
Zihe Wang
,
Xin Wang
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alpha-logarithmic negativity
© 2020 American Physical Society. The logarithmic negativity of a bipartite quantum state is a widely employed entanglement measure in …
Xin Wang
,
Mark M. Wilde
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DOI
Cost of Quantum Entanglement Simplified
Quantum entanglement is a key physical resource in quantum information processing that allows for performing basic quantum tasks such …
Xin Wang
,
Mark M. Wilde
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DOI
Quantification of Unextendible Entanglement and Its Applications in Entanglement Distillation
Kun Wang
,
Xin Wang
,
Mark M Wilde
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DOI
Time-dependent Hamiltonian simulation with L1-norm scaling
The difficulty of simulating quantum dynamics depends on the norm of the Hamiltonian. When the Hamiltonian varies with time, the …
Dominic W. Berry
,
Andrew M. Childs
,
Yuan Su
,
Xin Wang
,
Nathan Wiebe
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DOI
Quantum Channel Simulation and the Channel's Smooth Max-Information
We study the general framework of quantum channel simulation, that is, the ability of a quantum channel to simulate another one using …
Kun Fang
,
Xin Wang
,
Marco Tomamichel
,
Mario Berta
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DOI
Efficiently Computable Bounds for Magic State Distillation
Magic state manipulation is a crucial component in the leading approaches to realizing scalable, fault-tolerant, and universal quantum …
Xin Wang
,
Mark M Wilde
,
Yuan Su
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DOI
More Practical and Adaptive Algorithms for Online Quantum State Learning
Online quantum state learning is a recently proposed problem by Aaronson et al. (2018), where the learner sequentially predicts …
Yifang Chen
,
Xin Wang
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Resource theory of asymmetric distinguishability for quantum channels
This paper develops the resource theory of asymmetric distinguishability for quantum channels, generalizing the related resource theory …
Xin Wang
,
Mark M. Wilde
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DOI
Resource theory of asymmetric distinguishability
This paper systematically develops the resource theory of asymmetric distinguishability, as initiated roughly a decade ago [K. …
Xin Wang
,
Mark M. Wilde
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DOI
Quantifying the unextendibility of entanglement
The unextendibility or monogamy of entangled states is a key property of quantum entanglement. Unlike conventional ways of expressing …
Kun Wang
,
Xin Wang
,
Mark M. Wilde
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Quantifying the magic of quantum channels
To achieve universal quantum computation via general fault-tolerant schemes, stabilizer operations must be supplemented with other …
Xin Wang
,
Mark M Wilde
,
Yuan Su
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DOI
One-shot entanglement distillation beyond local operations and classical communication
We study the task of entanglement distillation in the one-shot setting under different classes of quantum operations which extend the …
Bartosz Regula
,
Kun Fang
,
Xin Wang
,
Mile Gu
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DOI
Resource theory of entanglement for bipartite quantum channels
The traditional perspective in quantum resource theories concerns how to use free operations to convert one resourceful quantum state …
Stefan Baeuml
,
Siddhartha Das
,
Xin Wang
,
Mark M. Wilde
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On Converse Bounds for Classical Communication Over Quantum Channels
We explore several new converse bounds for classical communication over quantum channels in both the one-shot and asymptotic regime. …
Xin Wang
,
Kun Fang
,
Marco Tomamichel
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DOI
Non-asymptotic Entanglement Distillation
Non-asymptotic entanglement distillation studies the trade-off between three parameters: the distillation rate, the number of …
Kun Fang
,
Xin Wang
,
Marco Tomamichel
,
Runyao Duan
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DOI
Semidefinite Programming Converse Bounds for Quantum Communication
We study the one-shot and asymptotic quantum communication assisted with the positive-partial-transpose-preserving (PPT) and …
Xin Wang
,
Kun Fang
,
Runyao Duan
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DOI
$α$-Logarithmic negativity
The logarithmic negativity of a bipartite quantum state is a widely employed entanglement measure in quantum information theory, due to …
Xin Wang
,
Mark M. Wilde
PDF
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Using and reusing coherence to realize quantum processes
Coherent superposition is a key feature of quantum mechanics that underlies the advantage of quantum technologies over their classical …
MG Diaz
,
Kun Fang
,
Xin Wang
,
Matteo Rosati
,
Michalis Skotiniotis
,
John Calsamiglia
,
Andreas Winter
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DOI
Semidefinite programming strong converse bounds for classical capacity
We show a meaningful theory of classical communication over quantum channels when assisted by no-signalling (NS) and PPT-preserving …
Xin Wang
,
Wei Xie
,
Runyao Duan
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DOI
QSI: A Quantum Programming Environment
This paper describes a quantum programming environment, named $Q|SIångle$. It is a platform embedded in the .Net language that supports …
Shusen Liu
,
Xin Wang
,
Li Zhou
,
Ji Guan
,
Yinan Li
,
Yang He
,
Runyao Duan
,
Mingsheng Ying
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DOI
Exact entanglement cost of quantum states and channels under PPT-preserving operations
This paper establishes single-letter formulas for the exact entanglement cost of generating bipartite quantum states and simulating …
Xin Wang
,
Mark M. Wilde
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Probabilistic Distillation of Quantum Coherence
The ability to distill quantum coherence is key for the implementation of quantum technologies; however, such a task cannot always be …
Kun Fang
,
Xin Wang
,
Ludovico Lami
,
Bartosz Regula
,
Gerardo Adesso
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DOI
Gaussian quantum resource theories
We develop a general framework to assess capabilities and limitations of the Gaussian toolbox in continuous variable quantum …
Ludovico Lami
,
Bartosz Regula
,
Xin Wang
,
Rosanna Nichols
,
Andreas Winter
,
Gerardo Adesso
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DOI
One-Shot Coherence Distillation
We characterize the distillation of quantum coherence in the one-shot setting, that is, the conversion of general quantum states into …
Bartosz Regula
,
Kun Fang
,
Xin Wang
,
Gerardo Adesso
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DOI
Converse Bounds for Classical Communication Over Quantum Broadcast Channels and Quantum Multi-Access Channels
We explore several new converse bounds for classical communication over quantum channels in both the one-shot and asymptotic regime. …
Wei Xie
,
Xin Wang
,
Runyao Duan
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DOI
Tripartite-to-Bipartite Entanglement Transformation by Stochastic Local Operations and Classical Communication and the Structure of Matrix Spaces
We study the problem of transforming a tripartite state to a bipartite one using stochastic local operations and classical …
Yinan Li
,
Youming Qiao
,
Xin Wang
,
Runyao Duan
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DOI
Separation Between Quantum Lovász Number and Entanglement-Assisted Zero-Error Classical Capacity
Quantum Lovász number, as a natural generalization of the celebrated Lovśz number in graph theory, is the best known efficiently …
Xin Wang
,
Runyao Duan
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DOI
QSI: A Quantum Programming Environment BT - Symposium on Real-Time and Hybrid Systems: Essays Dedicated to Professor Chaochen Zhou on the Occasion of His 80th Birthday
Shusen Liu
,
Xin Wang
,
Li Zhou
,
Ji Guan
,
Yinan Li
,
Yang He
,
Runyao Duan
,
Mingsheng Ying
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DOI
Irreversibility of Asymptotic Entanglement Manipulation Under Quantum Operations Completely Preserving Positivity of Partial Transpose
We demonstrate the irreversibility of asymptotic entanglement manipulation under quantum operations that completely preserve positivity …
Xin Wang
,
Runyao Duan
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DOI
Approximate broadcasting of quantum correlations
Broadcasting quantum and classical information is a basic task in quantum information processing, and is also a useful model in the …
Wei Xie
,
Kun Fang
,
Xin Wang
,
Runyao Duan
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DOI
Nonadditivity of Rains' bound for distillable entanglement
Rains' bound is arguably the best known upper bound of the distillable entanglement by operations completely preserving positivity of …
Xin Wang
,
Runyao Duan
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DOI
Indistinguishability of bipartite states by positive-partial-transpose operations in the many-copy scenario
A bipartite subspace $S$ is called strongly positive-partial-transpose-unextendible (PPT-unextendible) if for every positive integer …
Yinan Li
,
Xin Wang
,
Runyao Duan
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DOI
Semidefinite programming converse bounds for classical communication over quantum channels
X Wang
,
W Xie
,
R Duan
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DOI
Improved semidefinite programming upper bound on distillable entanglement
© 2016 American Physical Society.An additive and semidefinite programming (SDP) computable entanglement measure is introduced to upper …
Xin Wang
,
Runyao Duan
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DOI
On the quantum no-signalling assisted zero-error classical simulation cost of non-commutative bipartite graphs
© 2016 IEEE.Using one channel to simulate another exactly with the aid of quantum no-signalling correlations has been studied recently. …
Xin Wang
,
Runyao Duan
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DOI
A semidefinite programming upper bound of quantum capacity
© 2016 IEEE.Recently the power of positive partial transpose preserving (PPTp) and no-signalling (NS) codes in quantum communication …
Xin Wang
,
Runyao Duan
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DOI
Activated zero-error classical communication over quantum channels assisted with quantum no-signalling correlations
We study the activated quantum no-signalling-assisted zero-error classical capacity by first allowing the assistance from some …
Runyao Duan
,
Xin Wang
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