Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
30,856
This Month
902
Today
0
Research Volume
15,145 papers in 12 months (-14% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
AQM: A Refresh of the Abstract Qubit Model for Quantum Computing Co-design
Chenxu Liu, S. Stein, Muqing Zheng +2 more·Mar 17, 2024
Qubits are the fundamental building blocks of quantum information science and applications, whose concept is widely utilized in both quantum physics and quantum computation. While the significance of qubits and their implementation in physical device...
Dynamics and resonance fluorescence from a superconducting artificial atom doubly driven by quantized and classical fields
Xinhui Ruan, Jia-Heng Wang, D. He +11 more·Mar 17, 2024
We report an experimental demonstration of resonance fluorescence in a two-level superconducting artificial atom under two driving fields coupled to a detuned cavity. One of the fields is classical and the other is varied from quantum (vacuum fluctua...
Benefits of non-adiabatic quantum control in quantum computation through spin qubit systems
Nirupam Dutta·Mar 17, 2024
This is evident that the controllable quantum systems can be the reliable building blocks for Quantum computation. In reality we are witnessing the progress towards making the idea tractable enough, though optimistic but the threshold is not very nea...
Genuinely nonlocal sets with smallest cardinality
Zong-Xing Xiong, Mao-Sheng Li, Bing Yu +2 more·Mar 16, 2024
Recently, there is growing interest in the study of genuine nonlocality, which serves to explore the local accessability of global information encoded in orthogonal multipartite quantum states under scenarios where not all subsystems are joined toget...
Multi-controlled Phase Gate Synthesis with ZX-calculus applied to Neutral Atom Hardware
Korbinian Staudacher, Ludwig Schmid, Johannes Zeiher +2 more·Mar 16, 2024
Quantum circuit synthesis describes the process of converting arbitrary unitary operations into a gate sequence of a fixed universal gate set, usually defined by the operations native to a given hardware platform. Most current synthesis algorithms ar...
Early-stage detection of cognitive impairment by hybrid quantum-classical algorithm using resting-state functional MRI time-series
Junggu Choi, Tak Hur, Daniel K. Park +4 more·Mar 16, 2024
Following the recent development of quantum machine learning techniques, the literature has reported several quantum machine learning algorithms for disease detection. This study explores the application of a hybrid quantum-classical algorithm for cl...
A Search for Classical Subsystems in Quantum Worlds
Arsalan Adil, Manuel S. Rudolph, Andrew Arrasmith +3 more·Mar 16, 2024
Decoherence and einselection have been effective in explaining several features of an emergent classical world from an underlying quantum theory. However, the theory assumes a particular factorization of the global Hilbert space into constituent syst...
Bias Control and Linearization of the Transfer Function of Electro-optic and Acousto-optic Modulators
Clemens Neumuller, F. Obernosterer, Raimund Meyer +2 more·Mar 15, 2024
In several types of quantum computers light is one of the main tools to control both the position and the quantum state of the atoms used for computing. In practical systems laser light is applied to manipulate quantum states of qubits in the desired...
Quantum memory at nonzero temperature in a thermodynamically trivial system
Yifan Hong, Jinkang Guo, Andrew Lucas·Mar 15, 2024
Passive error correction protects logical information forever (in the thermodynamic limit) by updating the system based only on local information and few-body interactions. A paradigmatic example is the classical two-dimensional Ising model: a Metrop...
Concatenated Steane code with single-flag syndrome checks
Bálint Pató, Theerapat Tansuwannont, Kenneth R. Brown·Mar 15, 2024
A fault-tolerant error correction (FTEC) protocol with a high error suppression rate and low overhead is very desirable for the near-term implementation of quantum computers. In this work, we develop a distance-preserving flag FTEC protocol for the [...
Evaluation of Quantum and Hybrid Solvers for Combinatorial Optimization
A. Bertuzzi, Davide Ferrari, Antonio Manzalini +1 more·Mar 15, 2024
Academic and industrial sectors have been engaged in a fierce competition to develop quantum technologies, fueled by the explosive advancements in quantum hardware. While universal quantum computers have been shown to support up to hundreds of qubits...
Quantum Circuits for partial differential equations via Schrödingerisation
Junpeng Hu, Shi Jin, Nana Liu +1 more·Mar 15, 2024
Quantum computing has emerged as a promising avenue for achieving significant speedup, particularly in large-scale PDE simulations, compared to classical computing. One of the main quantum approaches involves utilizing Hamiltonian simulation, which i...
Sample complexity of matrix product states at finite temperature
Atsushi Iwaki, Chisa Hotta·Mar 15, 2024
For quantum many-body systems in one dimension, computational complexity theory reveals that the evaluation of ground-state energy remains elusive on quantum computers, contrasting the existence of a classical algorithm for temperatures higher than t...
The Goldilocks principle of learning unitaries by interlacing fixed operators with programmable phase shifters on a photonic chip
Kevin Zelaya, Matthew Markowitz, M. Miri·Mar 15, 2024
Programmable photonic integrated circuits represent an emerging technology that amalgamates photonics and electronics, paving the way for light-based information processing at high speeds and low power consumption. Programmable photonics provides a f...
Complete equational theories for classical and quantum Gaussian relations
R. I. Booth, T. Carette, Cole Comfort·Mar 15, 2024
We give generators and relations for the hypergraph props of Gaussian relations and positive affine Lagrangian relations. The former extends Gaussian probabilistic processes by completely-uninformative priors, and the latter extends Gaussian quantum ...
Verification of Quantum Computations without Trusted Preparations or Measurements
E. Kashefi, D. Leichtle, Luka Music +1 more·Mar 15, 2024
With the advent of delegated quantum computing as a service, verifying quantum computations is becoming a question of great importance. Existing information theoretically Secure Delegated Quantum Computing (SDQC) protocols require the client to posse...
Low-density parity-check representation of fault-tolerant quantum circuits
Ying Li·Mar 15, 2024
In fault-tolerant quantum computing, quantum algorithms are implemented through quantum circuits capable of error correction. These circuits are typically constructed based on specific quantum error correction codes, with consideration given to the c...
Effectiveness of the syndrome extraction circuit with flag qubits on IBM quantum hardware
Younghun Kim, Hansol Kim, Jeongsoo Kang +2 more·Mar 15, 2024
Large-scale quantum circuits are required to exploit the advantages of quantum computers. Despite significant advancements in quantum hardware, scalability remains a challenge, with errors accumulating as more qubits and gates are added. To overcome ...
Universal high-fidelity quantum gates for spin-qubits in diamond
H. Bartling, J. Yun, K. Schymik +8 more·Mar 15, 2024
Spins associated to solid-state colour centers are a promising platform for investigating quantum computation and quantum networks. Recent experiments have demonstrated multi-qubit quantum processors, optical interconnects, and basic quantum error co...
Unveiling the Dynamical Genesis of Quantum Entanglement in Linear Systems: Internal causality breaking in the reduced subsystem evolution
Shuang-Kai Yang, Wei-Min Zhang·Mar 14, 2024
Utilizing the general theory of open quantum systems to investigate the exact dynamical evolution of simple bilinear systems, we discover a mechanism of the dynamical genesis of quantum entanglement. We focus in detail on the exact quantum evolution ...