Papers

Imran Khan Tutul, Sara Karimi, Junpeng Zhan·May 31, 2023

Large integer factorization is a prominent research challenge, particularly in the context of quantum computing. This holds significant importance, especially in information security that relies on public key cryptosystems. The classical computation ...

A. Hajomer, C. Bruynsteen, Ivan Derkach +6 more·May 31, 2023

Quantum key distribution (QKD) is a well-known application of quantum information theory that guarantees information-theoretically secure key exchange. As QKD becomes more and more commercially viable, challenges such as scalability, network integrat...

Anthony M. Smaldone, Gregory W. Kyro, Victor S. Batista·May 30, 2023

As the rapidly evolving field of machine learning continues to produce incredibly useful tools and models, the potential for quantum computing to provide speed up for machine learning algorithms is becoming increasingly desirable. In particular, quan...

Linzhe Huang, A. Jaffe, Zhengwei Liu +1 more·May 30, 2023

We introduce the concept of \mathfrak{F} -positive elements in planar algebras and establish a Perron–Frobenius theorem for such elements. We investigate the existence and uniqueness of the Perron–Frobenius eigenspace. When the eigenspace is ...

Joanna W. Lis, Aruku Senoo, W. McGrew +3 more·May 30, 2023

We implement mid-circuit operations in a 48-site array of neutral atoms, enabled by new methods for control of the $\textit{omg}$ (optical-metastable-ground state qubit) architecture present in ${}^{171}$Yb. We demonstrate laser-based control of grou...

Suyu Zhang, Jian‐Song Hong, Yuan Xue +4 more·May 29, 2023

The realization of quantum gates in topological quantum computation still confronts significant challenges in both fundamental and practical aspects. Here, we propose a deterministic and fully topologically protected measurement-based scheme to reali...

N. Cotfas·May 29, 2023

There exist many attempts to define a Wigner function for quantum systems with finite-dimensional Hilbert space, each of them coming with its advantages and limitations. The existing finite versions have simple definitions, but they are based only on...

Mohammed Ali Aamir, Paul Jamet Suria, José Antonio Marín Guzmán +4 more·May 26, 2023

Although classical thermal machines power industries and modern living, quantum thermal engines have yet to prove their utility. Here, we demonstrate a useful quantum absorption refrigerator formed from superconducting circuits. We use it to cool a t...

Yuri Lucas Direbieski, Hiroki Tanioka, Kenji Matsuura +3 more·May 25, 2023

Modern information communications use cryptography to keep the contents of communications confidential. RSA (Rivest–Shamir–Adleman) cryptography and elliptic curve cryptography, which are public-key cryptosystems, are widely used cryptographic scheme...

Tai-ping Sun, Zhao-Yun Chen, Cheng Xue +7 more·May 25, 2023

The increasing focus on long-term time series prediction across various fields has been significantly strengthened by advancements in quantum computation. In this paper, we introduce a data-driven method designed for time series prediction with quant...

Jun Gao, Leonardo Santos, Govind Krishna +8 more·May 24, 2023

Quantum physics phenomena, entanglement and coherence, are crucial for quantum information protocols, but understanding these in systems with more than two parts is challenging due to increasing complexity. The W state, a multipartite entangled state...

R. Gupta, N. Sundaresan, Thomas Alexander +10 more·May 23, 2023

To run large-scale algorithms on a quantum computer, error-correcting codes must be able to perform a fundamental set of operations, called logic gates, while isolating the encoded information from noise1–8. We can complete a universal set of logic g...

Devvrat Tiwari, Subhashis Banerjee·May 18, 2023

Here, we study the impact of non-Markovian evolution on prominent characteristics of quantum thermodynamics such as ergotropy and power. These are benchmarked by the behavior of the quantum speed limit time. We make use of both geometric-based, parti...

Xiang Cheng, Kaishuo Chang, Zhenda Xie +12 more·May 16, 2023

Recent progress in quantum computing and networking has enabled high-performance, large-scale quantum processors by connecting different quantum modules. Optical quantum systems show advantages in both computing and communications, and integrated qua...

M. Brooks, C. Tahan·May 16, 2023

Joint measurements of two-Pauli observables are a powerful tool for both the control and protection of quantum information. By following a simple recipe for measurement choices, single- and two- qubit rotations using two-Pauli parity and single qubit...

I. Mohammad, Matej Pivoluska, Martin Plesch·May 15, 2023

The current state of quantum computing is commonly described as the Noisy Intermediate-Scale Quantum era. Available computers contain a few dozens of qubits and can perform a few dozens of operations before the inevitable noise erases all information...

Pragya Katyayan, Nisheeth Joshi·May 12, 2023

Question Answering (QA) has proved to be an arduous challenge in the area of natural language processing (NLP) and artificial intelligence (AI). Many attempts have been made to develop complete solutions for QA as well as improving significant sub-mo...

Zenghui Zhang, Weibo Gao·May 10, 2023

Quantum information processing and its subfield, quantum image processing, are rapidly growing fields as a result of advancements in the practicality of quantum mechanics. In this paper, we propose a quantum algorithm for processing information, such...

Andrea Di Biagio, Richard Howl, Časlav Brukner +2 more·May 9, 2023

Locality is a central notion in modern physics, but different disciplines understand it in different ways. Quantum field theory focuses on relativistic locality, based on spacetime regions, while quantum information theory focuses circuit locality, b...

Shuo Ma, Genyue Liu, Pai Peng +7 more·May 9, 2023

The development of scalable, high-fidelity qubits is a key challenge in quantum information science. Neutral atom qubits have progressed rapidly in recent years, demonstrating programmable processors and quantum simulators with scaling to hundreds of...