Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

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28,582

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299

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13,642 papers in 12 months (-16% vs prior quarter)

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28,582 papers found

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...

Computer Science

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...

Physics

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...

Physics

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 ...

Physics

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...

Physics

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 ...

Computer Science

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 ...

Physics

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 ...

MedicinePhysics

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...

PhysicsComputer Science

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...

Computer Science

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 ...

PhysicsComputer ScienceMathematics

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...

Physics

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...

Physics

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 ...

PhysicsMathematicsMedicine

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...

Physics

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...

Physics

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...

Quantum Physicscond-mat.supr-con

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...

cond-mat.supr-conQuantum Physics

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...

Quantum Physicsmath.FAmath.OA

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...

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