Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,402
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Research Volume
13,509 papers in 12 months (-19% vs prior quarter)
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Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Homodyne Detection Quadrature Phase Shift Keying Continuous-Variable Quantum key Distribution with High Excess Noise Tolerance
Wen-Bo Liu, Chen-Long Li, Yuan-Mei Xie +7 more·Apr 22, 2021
Discrete-modulated continuous-variable quantum key distribution with homodyne detection is widely recognized for its ease of implementation, efficiency with respect to error correction, and its compatibility with modern optical communication devices....
Research Communities in cyber security: A Comprehensive Literature Review
Sotirios Katsikeas, Pontus Johnson, M. Ekstedt +1 more·Apr 22, 2021
In order to provide a coherent overview of cyber security research, the Scopus academic abstract and citation database was mined to create a citation graph of 98,373 authors active in the field between 1949 and early 2020. The Louvain community detec...
Decoherence-protected quantum register of nuclear spins in diamond
F. J. González, R. Coto·Apr 19, 2021
Solid-state quantum registers are exceptional for storing quantum information at room temperature with long coherence time. Nevertheless, practical applications toward quantum supremacy require even longer coherence time to allow for more complex alg...
When to Build Quantum Software?
Janardan Misra, Vikrant S. Kaulgud, Rupesh Kaslay +1 more·Apr 19, 2021
Despite ongoing advancements in quantum computing, businesses are still faced with the problem to decide if they would benefit from investing into this novel technology for building a business critical application. This uncertainty is not only owing ...
Calculation of generating function in many-body systems with quantum computers: technical challenges and use in hybrid quantum-classical methods
E. Guzman, D. Lacroix·Apr 16, 2021
The generating function of a Hamiltonian $H$ is defined as $F(t)=\langle e^{-itH}\rangle$, where $t$ is the time and where the expectation value is taken on a given initial quantum state. This function gives access to the different moments of the Ham...
Error rate reduction of single-qubit gates via noise-aware decomposition into native gates
Thomas J. Maldonado, Johannes Flick, Stefan Krastanov +1 more·Apr 14, 2021
In the current era of Noisy Intermediate-Scale Quantum (NISQ) technology, the practical use of quantum computers remains inhibited by our inability to aptly decouple qubits from their environment to mitigate computational errors. In this paper, we in...
Circuit quantum electrodynamics: A new look toward developing full-wave numerical models
T. Roth, W. Chew·Apr 14, 2021
Devices built using circuit quantum electrodynamics architectures are one of the most popular approaches currently being pursued to develop quantum information processing hardware. Although significant progress has been made over the previous two dec...
A quantum convolutional neural network on NISQ devices
Shijie Wei, Yanhu Chen, Zeng-rong Zhou +1 more·Apr 14, 2021
Quantum machine learning is one of the most promising applications of quantum computing in the noisy intermediate-scale quantum (NISQ) era. We propose a quantum convolutional neural network(QCNN) inspired by convolutional neural networks (CNN), which...
Qubit Sensing: A New Attack Model for Multi-programming Quantum Computing
A. Saki, Swaroop Ghosh·Apr 13, 2021
Noisy quantum computers suffer from readout or measurement error. It is a classical bit-flip error due to which state"1"is read out as"0"and vice-versa. The probability of readout error shows a state dependence i.e., flipping probability of state"1"m...
Quantum PUF for Security and Trust in Quantum Computing
Koustubh Phalak, A. Saki, M. Alam +2 more·Apr 13, 2021
Quantum computing is a promising paradigm to solve computationally intractable problems. Various companies such as, IBM, Rigetti and D-Wave offer quantum computers using a cloud-based platform that possess several interesting features namely, (i) qua...
Universal quantum computation via quantum controlled classical operations
Sebastian Horvat, Xiaoqin Gao, Borivoje Daki'c·Apr 13, 2021
A universal set of gates for (classical or quantum) computation is a set of gates that can be used to approximate any other operation. It is well known that a universal set for classical computation augmented with the Hadamard gate results in univers...
Ion–photonic frequency qubit correlations for quantum networks
S. Connell, J. Scarabel, E. Bridge +5 more·Apr 12, 2021
Efficiently scaling quantum networks to long ranges requires local processing nodes to perform basic computation and communication tasks. Trapped ions have demonstrated all the properties required for the construction of such a node, storing quantum ...
QZNs: Quantum Z-numbers
Jixiang Deng, Yong Deng·Apr 12, 2021
Because of the efficiency of modeling fuzziness and vagueness, Z-number plays an important role in real practice. However, Z-numbers, defined in the real number field, lack the ability to process the quantum information in quantum environment. It is ...
Quantum Machine Learning for Power System Stability Assessment
Yifan Zhou, Peng Zhang·Apr 10, 2021
Transient stability assessment (TSA) is a cornerstone for resilient operations of today's interconnected power grids. This paper is a confluence of quantum computing, data science and machine learning to potentially address the power system TSA chall...
Estimation of correlations and nonseparability in quantum channels via unitarity benchmarking
Matthew Girling, Cristina Cîrstoiu, D. Jennings·Apr 9, 2021
The ability to transfer quantum information between systems is a fundamental component of quantum technologies and leads to correlations within the global quantum process. However correlation structures in quantum channels are less studied than those...
Quantum-enhanced bosonic learning machine
C. Nguyen, K. Tseng, G. Maslennikov +2 more·Apr 9, 2021
Quantum processors enable computational speedups for machine learning through parallel manipulation of high-dimensional vectors. Early demonstrations of quantum machine learning have focused on processing information with qubits. In such systems, a l...
Spin Digitizer for High-Fidelity Readout of a Cavity-Coupled Silicon Triple Quantum Dot
F. Borjans, X. Mi, J. Petta·Apr 8, 2021
An important requirement for spin-based quantum information processing is reliable and fast readout of electron spin states, allowing for feedback and error correction. However, common readout techniques often require additional gate structures hinde...
Noncommutative graphs based on finite-infinite system couplings: Quantum error correction for a qubit coupled to a coherent field
G. Amosov, A. S. Mokeev, A. N. Pechen·Apr 7, 2021
Quantum error correction plays a key role for quantum information transmission and quantum computing. In this work, we develop and apply the theory of non-commutative operator graphs to study error correction in the case of a finite-dimensional quant...
Quantum Fourier analysis for multivariate functions and applications to a class of Schrödinger-type partial differential equations
Paula García-Molina, Javier Rodríguez-Mediavilla, J. García-Ripoll·Apr 6, 2021
In this work, we develop a highly efficient representation of functions and differential operators based on Fourier analysis. Using this representation, we create a variational hybrid quantum algorithm to solve static, Schrödinger-type, Hamiltonian p...
Suppressing Coherent Two-Qubit Errors via Dynamical Decoupling
J. Qiu, Yuxuan Zhou, Changkang Hu +21 more·Apr 6, 2021
Scalable quantum information processing requires the ability to tune multi-qubit interactions. This makes the precise manipulation of quantum states particularly difficult for multi-qubit interactions because tunability unavoidably introduces sensiti...