Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
A Piece of QAICCC: Towards a Countermeasure Against Crosstalk Attacks in Quantum Servers
Yoann Marquer, Domenico Bianculli·Apr 14, 2025
Quantum computing, while allowing for processing information exponentially faster than classical computing, is far from becoming a personal commodity. Indeed, because of cost and needs for ultra-cold temperature, shielded environment, and complex wir...
Investigation of Rare-Earth Ion-Photon Interaction and Strong Coupling in Optical Microcavities
Quanshen Shen, Wentao Ji, Junyu Guan +5 more·Apr 14, 2025
The strong coupling between an emitter and a cavity is significant for advancing quantum networks. Due to their long optical and spin coherence times, rare-earth ions (REIs) represent a compelling platform for quantum networks. However, their inheren...
Quantum Image Loading: Hierarchical Learning and Block-Amplitude Encoding
H. Gharibyan, H. Karapetyan, Tigran Sedrakyan +4 more·Apr 14, 2025
Given the excitement for the potential of quantum computing for machine learning methods, a natural subproblem is how to load classical data into a quantum state. Leveraging insights from [GST24] where certain qubits play an outsized role in the ampl...
Universal fault-tolerant logic with heterogeneous holographic codes
M. Steinberg, Junyu Fan, J. Eisert +3 more·Apr 14, 2025
The study of holographic bulk-boundary dualities has led to the construction of novel quantum error correcting codes. Although these codes have shed new light on conceptual aspects of these dualities, they have widely been believed to lack a crucial ...
Qiskit Quantum Circuits Posit Singlet state in Radical Pair-based Magnetoreception of Migratory Birds
Hillol Biswas, Spyridon Talaganis·Apr 14, 2025
Quantum computing applications in diverse domains are emerging rapidly. Given the limitations of classical computing techniques, the peculiarity of quantum circuits, which can observe quantum phenomena such as superposition, entanglement, and quantum...
Quantum Image Visualizer: Visual Debugging of Quantum Image Processing Circuits
Anja Heim, Thomas Lang, Alexander Gall +2 more·Apr 14, 2025
Quantum computing is an emerging field that utilizes the unique principles of quantum mechanics to offer significant advantages in algorithm execution over classical approaches. This potential is particularly promising in the domain of quantum image ...
Exponentially Decaying Quantum Simulation Error with Noisy Devices
Jue Xu, Chu Zhao, Junyu Fan +1 more·Apr 14, 2025
Quantum simulation is a promising way toward practical quantum advantage, but noise in current quantum hardware poses a significant obstacle. We prove that not only the physical error but also the algorithmic error in a single Trotter step decreases ...
Practical Advantage of Classical Communication in Entanglement Detection.
Wen-Bo Xing, Min-Yu Lv, Lingxia Zhang +9 more·Apr 14, 2025
Entanglement is the cornerstone of quantum communication, yet conventional detection relies solely on local measurements. In this Letter, we present an experimental demonstration, based on an improved theoretical framework showing that one-way local ...
Cross-Problem Parameter Transfer in Quantum Approximate Optimization Algorithm: a Machine Learning Approach
Kien Nguyen, Bao Gia Bach, Ilya Safro·Apr 14, 2025
Quantum Approximate Optimization Algorithm (QAOA) is one of the most promising candidates to achieve the quantum advantage in solving combinatorial optimization problems. The process of finding a good set of variational parameters in the QAOA circuit...
PQ-CAN: A Framework for Simulating Post-Quantum Cryptography in Embedded Systems
Mauro Conti, Francesco Marchiori, Sebastiano Matarazzo +1 more·Apr 14, 2025
The rapid development of quantum computers threatens traditional cryptographic schemes, prompting the need for Post-Quantum Cryptography (PQC). Although the NIST standardization process has accelerated the development of such algorithms, their applic...
Information storage and transmission under Markovian noise
Satvik Singh, Nilanjana Datta·Apr 14, 2025
We study the information transmission capacities of quantum Markov semigroups $(\Psi^t)_{t\in \mathbb{N}}$ acting on $d-$dimensional quantum systems. We show that, in the limit of $t\to \infty$, the capacities can be efficiently computed in terms of ...
Quantum Liouvillian Tomography
D. Aguiar, Kristian Wold, S. Denisov +1 more·Apr 14, 2025
Characterization of near-term quantum computing platforms requires the ability to capture and quantify dissipative effects. This is an inherently challenging task, as these effects are multifaceted, spanning a broad spectrum from Markovian to strongl...
Scalable fluxonium qubit architecture with tunable interactions between non-computational levels
Peng Zhao, Guming Zhao, Shaowei Li +2 more·Apr 14, 2025
The fluxonium qubit has emerged as a promising candidate for superconducting quantum computing due to its long coherence times and high-fidelity gates. Nonetheless, further scaling up and improving performance remain critical challenges for establish...
An energy optimization method based on mixed-integer model and variational quantum computing algorithm for faster IMPT
Ya-Nan Zhu, Nimita Shinde, Bowen Lin +1 more·Apr 14, 2025
Intensity-modulated proton therapy (IMPT) offers superior dose conformity with reduced exposure to surrounding healthy tissues compared to conventional photon therapy. Improving IMPT delivery efficiency reduces motion-related uncertainties, enhances ...
Implementing and benchmarking dynamically corrected gates on superconducting devices using space curve quantum control
Hisham Amer, Evangelos Piliouras, Edwin Barnes +1 more·Apr 14, 2025
We use Space Curve Quantum Control (SCQC) to design, experimentally demonstrate, and benchmark dynamically corrected single-qubit gates on IBM hardware, comparing their performance to that of the standard gates provided by IBM. Our gates are designed...
A Practical Framework for Assessing the Performance of Observable Estimation in Quantum Simulation
Siyuan Niu, Efekan Kökcü, S. Johri +5 more·Apr 14, 2025
Simulating dynamics of physical systems is a key application of quantum computing, with potential impact in fields such as condensed matter physics and quantum chemistry. However, current quantum algorithms for Hamiltonian simulation yield results th...
Nonequilibrium plasmon liquid in a Josephson junction chain
Anton V. Bubis, Lucia Vigliotti, Maksym Serbyn +1 more·Apr 13, 2025
Equilibrium quantum systems are often described by a gas of weakly-interacting normal modes. Bringing such systems far from equilibrium, however, can drastically enhance mode-to-mode interactions. Understanding the resulting liquid is a fundamental q...
Q-ball mechanism of electron transport properties of high-T$_c$ superconductors
S. I. Mukhin·Apr 13, 2025
A theory is presented of a mechanism of high-Tc superconductivity in cuprates, based on the fact that 'nested' fermionic states near the Fermi surface of electrons/holes cause instability with respect to formation of the Q-balls (nontopological solit...
Bimodule Quantum Markov Semigroups
Jinsong Wu, Zishuo Zhao·Apr 13, 2025
We present a systematic investigation of bimodule quantum Markov semigroups within the framework of quantum Fourier analysis. We introduce the concepts of bimodule detailed balance conditions and bimodule KMS symmetry, which not only generalize the c...
Solar-charge your car: EV charging can be aligned with renewables by providing pro-environmental information on a smartboard
Celina Kacperski, Melanie Vogel, Florian Kutzner +5 more·Apr 13, 2025
Integrating electric vehicle (EV) charging with renewable energy production is essential for reducing the transport sector's carbon footprint, but effective and scalable strategies to align individual charging behavior with renewable supply remain un...