Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
The carbon nanotube gatemon qubit
H. Riechert, S. Annabi, A. Peugeot +8 more·Mar 3, 2025
Gate-tunable transmon qubits are based on quantum conductors used as weak links within hybrid Josephson junctions. These gatemons have been implemented in just a handful of systems, all relying on extended conductors, namely epitaxial semiconductors ...
Optimizing Low-Energy Carbon IIoT Systems With Quantum Algorithms: Performance Evaluation and Noise Robustness
Kshitij Dave, Nouhaila Innan, B. K. Behera +3 more·Mar 2, 2025
Low-energy carbon Internet of Things (IoT) systems are essential for sustainable development, as they reduce carbon emissions while ensuring efficient device performance. Although classical algorithms manage energy efficiency and data processing with...
Hybrid quantum neural networks with variational quantum regressor for enhancing QSPR modeling of CO2-capturing amine
Hyein Cho, Jeonghoon Kim, Kyoung Tai No +1 more·Feb 28, 2025
Accurate amine property prediction is essential for optimizing CO2 capture efficiency in post-combustion processes. Quantum machine learning (QML) can enhance predictive modeling by leveraging superposition, entanglement, and interference to capture ...
Linear optical quantum computing with a hybrid squeezed cat code
Shohei Kiryu, Kosuke Fukui, A. Okamoto +1 more·Feb 27, 2025
In recent years, squeezed cat codes with resilience to specific types of loss have been proposed as a step toward realizing fault-tolerant optical quantum computers. However, error correction for squeezed cat codes requires a strong nonlinearity, whi...
Enhancing quantum computations with the synergy of auxiliary field quantum Monte Carlo and computational basis tomography
V. Khinevich, Wataru Mizukami·Feb 27, 2025
We introduce QC-CBT-AFQMC, a hybrid algorithm that incorporates computational basis tomography (CBT) into the quantum-classical auxiliary-field quantum Monte Carlo (QC-AFQMC) method proposed by Huggins et al. [Nature 603, 416-420 (2022)], replacing t...
Quantum generative classification with mixed states
Diego H. Useche, Sergio Quiroga-Sandoval, S. Molina +3 more·Feb 27, 2025
Classification can be performed using either a discriminative or a generative learning approach. Discriminative learning consists of constructing the conditional probability of the outputs given the inputs, while generative learning consists of const...
Evaluation of quantum entanglement state between photoelectron spin and emitted photon polarization in spin and polarization resolved XEPECS of $\rm Ti_{2}O_{3}$
Ryo B. Tanaka, Goro Oohata, Takayuki Uozumi·Feb 26, 2025
We theoretically investigated the mechanism of quantum entanglement between the spin of photoelectrons and linear polarization of emitted X-ray photons in the 3$d\rightarrow\ $2$p$ XEPECS process for $\rm Ti_{2}O_{3}$. In the calculation, we used a r...
A Computational Framework for Simulations of Dissipative Nonadiabatic Dynamics on Hybrid Oscillator-Qubit Quantum Devices.
Nam P Vu, Daniel Dong, Xiaohan Dan +3 more·Feb 25, 2025
We introduce a computational framework for simulating nonadiabatic vibronic dynamics on circuit quantum electrodynamics (cQED) platforms. Our approach leverages hybrid oscillator-qubit quantum hardware with midcircuit measurements and resets, enablin...
Quantum-Safe integration of TLS in SDN networks
Jaime S. Buruaga, Rub'en B. M'endez, J. P. Brito +1 more·Feb 24, 2025
Shor's algorithm efficiently solves factoring and discrete logarithm problems using quantum computers, compromising all public key schemes used today. These schemes rely on assumptions on their computational complexity, which quantum computers can ea...
Qoala: an Application Execution Environment for Quantum Internet Nodes
B. V. D. Vecht, Atak Talay Yücel, Hana Jirovsk'a +1 more·Feb 24, 2025
Recently, a first-of-its-kind operating system for programmable quantum network nodes was developed, called QNodeOS. Here, we present an extension of QNodeOS called Qoala, which introduces (1) a unified program format for hybrid interactive classical...
Solving the Traveling Salesman Problem via Different Quantum Computing Architectures
Venkat Padmasola, Zhaotong Li, Rupak Chatterjee +1 more·Feb 24, 2025
We study the application of emerging photonic and quantum computing architectures to solving the Traveling Salesman Problem (TSP), a well-known NP-hard optimization problem. We investigate several approaches: Simulated Annealing (SA), Quadratic Uncon...
Co-Designing Spectral Transformation Oracles with Hybrid Oscillator-Qubit Quantum Processors: From Algorithms to Compilation
Luke Bell, Yan Wang, Kevin C. Smith +3 more·Feb 22, 2025
We co-design a family of quantum eigenvalue transformation oracles that can be efficiently implemented on hybrid discrete/continuous-variable (qubit/qumode) hardware. To illustrate the oracle's representation-theoretic power and near-term experimenta...
Quantum autoencoders for image classification
Hinako Asaoka, Kazue Kudo·Feb 21, 2025
Classical machine learning often struggles with complex, high-dimensional data. Quantum machine learning offers a potential solution, promising more efficient processing. The quantum convolutional neural network (QCNN), a hybrid algorithm, fits curre...
PQBFL: A Post-Quantum Blockchain-based Protocol for Federated Learning
Hadi Gharavi, J. Granjal, Edmundo Monteiro·Feb 20, 2025
One of the goals of Federated Learning (FL) is to collaboratively train a global model using local models from remote participants. However, the FL process is susceptible to various security challenges, including interception and tampering models, in...
Noise Mitigation in Single Microwave Photon Counting by Cascaded Quantum Measurements
A. May, Leo Sutevski, J. Solard +7 more·Feb 20, 2025
While single-photon counting is routinely achieved in the optical domain, operational single microwave photon detectors (SMPDs) have only recently been demonstrated. SMPDs are critical for sensing weak signals from incoherent emitters, with applicati...
Decoherence-induced self-dual criticality in topological states of matter
Qingyuan Wang, Romain Vasseur, Simon Trebst +2 more·Feb 19, 2025
Quantum measurements performed on a subsystem of a quantum many-body state can generate entanglement for its remaining constituents. The whole system including the measurement record is described by a hybrid mixed state, which can exhibit exotic phas...
Correcting and Extending Trotterized Quantum Many-Body Dynamics
G. Gentinetta, Friederike Metz, Giuseppe Carleo·Feb 19, 2025
A complex but important challenge in understanding quantum mechanical phenomena is the simulation of quantum many-body dynamics. Although quantum computers offer significant potential to accelerate these simulations, their practical application is cu...
A Fast Quantum Image Compression Algorithm based on Taylor Expansion
Vu Tuan Hai, Trinh Huynh Ho Thi Mong, Pham Hoai Luan·Feb 15, 2025
With the increasing demand for storing images, traditional image compression methods face challenges in balancing the compressed size and image quality. However, the hybrid quantum-classical model can recover this weakness by using the advantage of q...
Compact quantum dot models for analog microwave co-simulation
L. Peri, A. Gomez-Saiz, Christopher J B Ford +1 more·Feb 10, 2025
Scalable solid-state quantum computers will require integration with analog and digital electronics. Efficiently simulating the quantum-classical electronic interface is hence of paramount importance. Here, we present Verilog-A compact models with a ...
Joint Cutting for Hybrid Schrödinger-Feynman Simulation of Quantum Circuits
Laura S. Herzog, Lukas Burgholzer, Christian Ufrecht +2 more·Feb 10, 2025
Despite the continuous advancements in size and robustness of real quantum devices, reliable large-scale quantum computers are not yet available. Hence, classical simulation of quantum algorithms remains crucial for testing new methods and estimating...