Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Non-Commutation Chains in Pre- and Post-Selection Paradoxes
Ouissal Moumou·Sep 18, 2025
Peculiar measurements can be obtained on systems that undergo both pre- and post-selection. We prove a conjecture from [1] on logical Pre- and Post-Selection (PPS) paradoxes for a restricted case. We prove that all of these paradoxes admit non-commut...
Red Teaming Quantum-Resistant Cryptographic Standards: A Penetration Testing Framework Integrating AI and Quantum Security
P. Radanliev·Sep 18, 2025
Quantum computing and artificial intelligence (AI) are transforming the cybersecurity landscape, dictating a reassessment of cryptographic resilience in the face of emerging threats. This study presents a structured approach to evaluating vulnerabili...
Scaling Hybrid Quantum-HPC Applications with the Quantum Framework
Srikar Chundury, Amir Shehata, Seongmin Kim +6 more·Sep 17, 2025
Hybrid quantum-high performance computing (Q-HPC) workflows are emerging as a key strategy for running quantum applications at scale in current noisy intermediate-scale quantum (NISQ) devices. These workflows must operate seamlessly across diverse si...
Learning depth-3 circuits via quantum agnostic boosting
Srinivasan Arunachalam, Arkopal Dutt, Alexandru Gheorghiu +1 more·Sep 17, 2025
We initiate the study of quantum agnostic learning of phase states with respect to a function class $\mathsf{C}\subseteq \{c:\{0,1\}^n\rightarrow \{0,1\}\}$: given copies of an unknown $n$-qubit state $|ψ\rangle$ which has fidelity $\textsf{opt}$ wit...
Bell Meets General Philosophers of Science : Reassessing Measurement Independence
Yuichiro Kitajima·Sep 17, 2025
Bell's inequality is derived from three assumptions: measurement independence, outcome independence, and parameter independence. Among these, measurement independence, often taken for granted, holds that hidden variables are statistically uncorrelate...
Quasi-Monte Carlo Method for Linear Combination Unitaries via Classical Post-Processing
Yuya Kawamata, Kosuke Mitarai, Keisuke Fujii·Sep 17, 2025
We propose the quasi-Monte Carlo method for linear combination of unitaries via classical post-processing (LCU-CPP) on quantum applications. The LCU-CPP framework has been proposed as an approach to reduce hardware resources, expressing a general tar...
Coherent Control of Quantum-Dot Spins with Cyclic Optical Transitions
Zhe Xian Koong, Urs Haeusler, Jan M. Kaspari +12 more·Sep 17, 2025
Solid-state spins are promising as interfaces from stationary qubits to single photons for quantum communication technologies. Semiconductor quantum dots have excellent optical coherence, exhibit near unity collection efficiencies when coupled to pho...
On the Complexity of Decoded Quantum Interferometry
Kunal Marwaha, Bill Fefferman, Alexandru Gheorghiu +1 more·Sep 17, 2025
We study the complexity of Decoded Quantum Interferometry (DQI), a quantum algorithm for approximate optimization. First, we show that the algorithm resists classical simulation strategies based on locating outputs with large probabilities. We then p...
Warm-Starting PCE for Traveling Salesman Problem
Rafael S. do Carmo, Renato Gomes dos Reis, Samuel Fernando F Silva +2 more·Sep 17, 2025
Variational quantum algorithms are promising for combinatorial optimization, but their scalability is often limited by qubit-intensive encoding schemes. To overcome this bottleneck, Pauli Correlation Encoding (PCE) has emerged as one of the most prom...
Circuit Partitioning for the Quantum Internet
Leo Sünkel, Thomas Gabor, Claudia Linnhoff-Popien·Sep 17, 2025
In a quantum internet, quantum processing units (QPUs) with varying architectures and capabilities may be connected through quantum communication channels, enabling new applications such as distributed quantum computing (DQC), a paradigm in which mul...
Quenched properties of the Spectral Form Factor
Dimitrios Charamis, Manas Kulkarni, Jorge Kurchan +1 more·Sep 17, 2025
The Spectral Form Factor (SFF) is defined as the modulus squared of the partition function in complex temperature for hermitian matrices and a suitable generalisation has been given in the non hermitian case. In this work we compute the properties of...
Quantum-like representation of neuronal networks' activity: modeling "mental entanglement"
Andrei Khrennikov, Makiko Yamada·Sep 17, 2025
Quantum-like modeling (QLM) - quantum theory applications outside of physics - are intensively developed with applications in biology, cognition, psychology, and decision-making. For cognition, QLM should be distinguished from quantum reductionist mo...
A Quantum of Hope
Shawn E. S. Skelton, Anna Knörr, Jaime Redondo-Yuste +2 more·Sep 17, 2025
Public outreach in quantum science and technologies has many goals, ranging from generating interest and dampening hype to making the fascinating and complex topic more accessible. In this work, we present a play on quantum science and technologies a...
Comparing Quantum Annealing and BF-DCQO
Pau Farré, Erika Ordog, Kevin Chern +1 more·Sep 17, 2025
Recent work [1] has claimed that a gate-model quantum-classical hybrid algorithm called bias-field digitized counterdiabatic quantum optimization (BF-DCQO) [2] outperforms D-Wave's annealing quantum computers in optimization tasks. We find the opposi...
Electron distributions of molecular domains: canonical ensemble, and charge transfer electronegativity relationship
Roberto Carlos Bochicchio·Sep 17, 2025
The principle of maximum entropy (MaxEnt) applies to the canonical ensemble related to the number of particles, known as the $\mathcal{N}$-ensemble. This concept pertains to physical domains (or basins) that are treated as open systems capable of tra...
Photonic Spin Hall Effect using bilayer Graphene in Nano Optomechanical Cavities
Muqaddar Abbas, Muhammad Awais Altaf, Pei Zhang +1 more·Sep 17, 2025
We propose a theoretical model to obtain the photonic spin Hall effect (SHE) in an optomechanical nanocavity using a graphene bilayer as the intracavity medium. In our model, the pump and probe fields coherently drive the first mirror, whereas the se...
Finite-size secret-key rates of discrete modulation continuous-variable quantum key distribution under Gaussian attacks
Gabriele Staffieri, Giovanni Scala, Cosmo Lupo·Sep 17, 2025
Quantum conditional entropies play a fundamental role in quantum information theory. In quantum key distribution, they are exploited to obtain reliable lower bounds on the secret-key rates in the finite-size regime, against collective attacks and coh...
Quantum advantage without exponential concentration: Trainable kernels for symmetry-structured data
Laura J. Henderson, Kerstin Beer, Salini Karuvade +3 more·Sep 17, 2025
Quantum kernel methods promise enhanced expressivity for learning structured data, but their usefulness has been limited by kernel concentration and barren plateaus. Both effects are mathematically equivalent and suppress trainability. We analyticall...
Full programmable quantum computing with trapped-ions using semi-global fields
Yakov Solomons, Yotam Kadish, Lee Peleg +3 more·Sep 17, 2025
Trapped-ion quantum computing can utilize all motional modes of the ion-crystal, to entangle multiple qubits simultaneously, enabling universal computation with multi-qubit gates supplemented by single-qubit rotations. Using multiple tones to drive e...
Generation of Volume-Law Entanglement by Local-Measurement-Only Quantum Dynamics
Surajit Bera, Igor V. Gornyi, Sumilan Banerjee +1 more·Sep 17, 2025
Repeated local measurements typically have adversarial effects on entangling unitary dynamics, as local measurements usually degrade entanglement. However, recent works on measurement-only dynamics have shown that strongly entangled states can be gen...