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Papers

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

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28,188 papers found

Pair scattering from time-modulated impurity in the Bose-Hubbard model

Neda Ahmadi, Ameneh Sheikhan, Corinna Kollath·Nov 21, 2025

We investigate scattering phenomena in a one-dimensional attractive Bose-Hubbard model with a time-periodically modulated impurity. We analyze both single-particle and pair (doublon) transmission, exploring a range of interaction strengths and drive ...

cond-mat.quant-gasQuantum Physics

50-km fiber interferometer for testing gravitational signatures in quantum interference

Haocun Yu, Dorotea Macri, Thomas Morling +10 more·Nov 21, 2025

Quantum mechanics and general relativity are the foundational pillars of modern physics, yet experimental tests that combine the two frameworks remain rare. Measuring optical phase shifts of massless photons in a gravitational potential provides a un...

Quantum Physicsgr-qc

Bell state analysis using orbital angular momentum and path degrees of freedom

Zi-Long Yang, Shi-Wen He, Lin-Cheng Wang +4 more·Nov 21, 2025

Bell state analysis (BSA) constitutes a foundational operation for distinguishing Bell states in numerous quantum information processing (QIP) protocols. In this work, we propose a theoretical scheme for realizing a perfect BSA tailored for polarized...

Quantum Physics

A Hybrid Classical-Quantum Fine Tuned BERT for Text Classification

Abu Kaisar Mohammad Masum, Naveed Mahmud, M. Hassan Najafi +1 more·Nov 21, 2025

Fine-tuning BERT for text classification can be computationally challenging and requires careful hyper-parameter tuning. Recent studies have highlighted the potential of quantum algorithms to outperform conventional methods in machine learning and te...

cs.LGQuantum Physics

All steerable quantum correlations can provide thermodynamic advantages in cooling

Tanmoy Biswas, Chandan Datta, Luis Pedro Garcia-Pintos·Nov 21, 2025

The removal of heat generated during computation poses a major challenge for both classical and quantum information processing. In particular, heat removal is directly linked to a fundamental requirement of quantum computation: the ability to reset a...

Quantum Physics

Canonical Quantum Mpemba Effect in a Dissipative Qubit

Xingli Li, Yan Li, Yangqian Yan·Nov 21, 2025

The Mpemba effect, where a hotter system cools faster than a colder one under otherwise identical conditions, has been extensively studied in classical systems. In this work, we present the quantum analogue of the Mpemba effect using a dissipative qu...

Quantum Physics

Lane-Frame Quantum Multimodal Driving Forecasts for the Trajectory of Autonomous Vehicles

Navneet Singh, Shiva Raj Pokhrel·Nov 21, 2025

Trajectory forecasting for autonomous driving must deliver accurate, calibrated multi-modal futures under tight compute and latency constraints. We propose a compact hybrid quantum architecture that aligns quantum inductive bias with road-scene struc...

cs.LGQuantum Physics

Quantum Jump Approach for Photosynthetic Energy Transfer with Chemical Reaction and Fluorescence Loss

Rui Li, Yi Li, Kai-Ya Zhang +1 more·Nov 21, 2025

Recently, the coherent modified Redfield theory (CMRT) has been widely used to simulate the excitation-energy-transfer (EET) processes in photosynthetic systems. However, the numerical simulation of the CMRT is computationally expensive when dealing ...

physics.chem-phcond-mat.softphysics.bio-phQuantum Physics

Quantum Storage of Frequency-Multiplexed Photons Exhibiting Nonclassical Correlations with Telecom C-Band Photons

Hiroki Tateishi, Daisuke Yoshida, Tomoki Tsuno +6 more·Nov 21, 2025

Multiplexing is essential for improving entanglement distribution rates in quantum communication. Frequency multiplexing provides a promising and scalable path toward large-capacity quantum networks. Further progress requires increasing the number of...

Quantum Physics

Spectroscopy on a single nonlinear mode recognizes quantum states

Wouter Verstraelen, Stanisław Świerczewski, Andrzej Opala +7 more·Nov 21, 2025

Characterising optical quantum states is essential for the development of quantum technologies. While traditional approaches to perform full quantum state tomography are often experimentally demanding, neuromorphic architectures may provide an effect...

Quantum Physicscond-mat.dis-nnphysics.optics

Exponentially enhanced sensing through nonreciprocal light propagation

Paul-Édouard Blanchard, Alexander McDonald, Philippe St-Jean·Nov 21, 2025

Non-reciprocity is a key resource for pushing the performance of photonic devices beyond the fundamental limits imposed by Lorentz reciprocity. Here, we report on the realization of an optical sensor where non-reciprocal light propagation allows dete...

physics.opticsQuantum Physics

Broadband telecom single-photon emissions from InAs/InP quantum dots grown by MOVPE droplet epitaxy

Shichen Zhang, Li Liu, Kai Guo +6 more·Nov 21, 2025

The development of quantum materials for single-photon emission is crucial for the advancement of quantum information technology. Although significant advancement has been witnessed in recent years for single photon sources in near infrared band (λ~7...

physics.opticscond-mat.mtrl-sciQuantum Physics

On fast charged particle scattering by periodic atomic planes: quadratic potential corrections

Viktoriia Omelchenko·Nov 21, 2025

In this paper, the approach for considering fast charged particles scattering on targets of complex structure, which contains some isolated substructures, was expanded to account quadratic potential terms. Based on this approach, the differential cro...

Quantum Physics

Quantum backflow in biased tight-binding systems

Francisco Ricardo Torres Arvizu, Adrián Ortega, Hernán Larralde·Nov 21, 2025

We study the phenomenon of quantum backflow in tight-binding systems with complex couplings, considering different boundary conditions and lattice sizes. Backflow is an intrinsically non-classical effect where the density flux associated with a parti...

Quantum Physics

Quantum Optical Simulator for Unruh-DeWitt Detector Dynamics

Tai Hyun Yoon·Nov 21, 2025

We present a quantum-optical platform for simulating relativistic detector-field interactions using entangled nonlinear biphoton sources (ENBSs), realized through phase-controlled single-photon frequency-comb (SPFC) sources. By mapping the dynamical ...

Quantum Physicsgr-qc

The Star Product of Uniformly Random Codes

Johan V. Dinesen, Ragnar Freij, Camilla Hollanti +2 more·Nov 21, 2025

We consider the problem of determining the expected dimension of the star product of two uniformly random linear codes that are not necessarily of the same dimension. We achieve this by establishing a correspondence between the star product and the e...

Computer ScienceMathematics

Quantum-Embedded Dynamic Security Control using Hybrid Deep Reinforcement Learning

Amin Masoumi, M. Korkali·Nov 21, 2025

Dynamic security control (DSC) is considered a pivotal step for the future power grid, which is increasingly penetrated by inverter-based resources. However, the efficiency of such practices, whether governed by automatic generation control or virtua...

Computer ScienceEngineering

Orthogonal frequency-division multiplexing for simultaneous gate operations on multiple qubits via a shared control line

Haruki Mitarai, Yukihiro Tadokoro, Hiroya Tanaka·Nov 20, 2025

The increasing number of qubits in quantum processors necessitates a corresponding increase in the number of control lines between the processor, which is typically operated at cryogenic temperatures, and external electronics. Scaling poses significa...

Quantum Physics

Quantum Data Learning of Topological-to-Ferromagnetic Phase Transitions in the 2+1D Toric Code Loop Gas Model

Shamminuj Aktar, Rishabh Bhardwaj, Andreas Bärtschi +2 more·Nov 20, 2025

Quantum data learning (QDL) provides a framework for extracting physical insights directly from quantum states, bypassing the need for any identification of the classical observable of the theory. A central challenge in many-body physics is that the ...

Quantum Physicshep-lat

Numerical tiling-based simulations of decoherence in multifield models of inflation

Johor D. Peñalba Quispitupa, Guillermo F. Quispe Peña, Jose T. Galvez Ghersi·Nov 20, 2025

In previous work, we developed a method for computing two-point correlators by decomposing the mode degrees of freedom into fast and slow components. Building on this framework, we present a numerical implementation to study the evolution of primordi...

gr-qcastro-ph.COhep-thQuantum Physics
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