Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Strong-field regime within effective field theory
Sebastián Franchino-Viñas, Jérémie Quevillon, Diego Saviot·Dec 8, 2025
Building upon the Covariant Derivative Expansion, we develop a method to compute effective actions that is able to capture non-perturbative effects induced by strong background fields. We demonstrate the method in scalar QED, by deriving the full sec...
Robustness of flat band superconductivity against disorder in a two-dimensional Lieb lattice model
Georges Bouzerar, Maxime Thumin·Dec 8, 2025
Recently, the possibility of high-temperature superconductivity (SC) in flat-band (FB) systems has been the focus of a great deal of activity. This study reveals that unlike conventional intra-band SC for which disorder has a dramatic impact, that as...
Anomalous Wave-Packet Dynamics in One-Dimensional Non-Hermitian Lattices
Yanyan He, Tomoki Ozawa·Dec 8, 2025
Non-Hermitian (NH) systems have attracted great attention due to their exotic phenomena beyond Hermitian domains. Here we study the wave-packet dynamics in general one-dimensional NH lattices and uncover several unexpected phenomena. The group veloci...
Resonator-assisted single-photon frequency convertion in a conventional waveguide with a giant V-type atom
Ge Sun, Hongzheng Wu, Jing Lu +1 more·Dec 8, 2025
We propose a scheme to achieve efficient frequency conversion for a single photon propagating in a 1D conventional waveguide by exploiting the quantum interference induced by the scale of a V-type giant atom (GA) characterized by the distance between...
A versatile coherent Ising computing platform
Hai Wei, Chengjun Ai, Putuo Guo +12 more·Dec 8, 2025
Coherent Ising Machines (CIMs) have emerged as a hybrid form of quantum computing devices designed to solve NP-complete problems, offering an exciting opportunity for discovering optimal solutions. Despite challenges such as susceptibility to noise-i...
From Quantum Chaos to Classical Chaos via Gain-Induced Measurement Dynamics in a Photon Gas
Violetta Sharoglazova, Marius Puplauskis, Lotte Hof +1 more·Dec 7, 2025
How classical chaos emerges from quantum mechanics remains a central open question, as the unitary evolution of isolated quantum systems forbids exponential sensitivity to initial conditions. A key insight is that this quantum-classical link is provi...
Multiple re-entrant topological windows induced by generalized Bernoulli disorder
Ruijiang Ji, Yunbo Zhang, Shu Chen +1 more·Dec 7, 2025
We investigate re-entrant topological behavior in a one-dimensional Su-Schrieffer-Heeger model with generalized Bernoulli-type disorder in the intradimer hopping amplitudes. We show that varying the values and probabilities of the disorder distributi...
Geometry-Induced Vacuum Polarization and Mode Shifts in Maxwell-Klein-Gordon Theory
Li Wang, Jun Wang, Yong-Long Wang·Dec 7, 2025
Geometric confinement is known to modify single-particle dynamics through effective potentials, yet its imprint on the interacting quantum vacuum remains largely unexplored. In this work, we investigate the Maxwell--Klein--Gordon system constrained t...
Nonreciprocal photon blockade in a spinning microwave magnomechanical system through kerr-magnon and optical parametric amplifier
S. K. Singh, Mohamed Amazioug, Jia-Xin Peng +3 more·Dec 6, 2025
Unconventional quantum antibunching, arising from quantum interference effects, represents a notable form of quantum correlation that has attracted significant attention for its ability to generate high-quality single-quantum sources. In this work, w...
Anubuddhi: A Multi-Agent AI System for Designing and Simulating Quantum Optics Experiments
S. K. Rithvik·Dec 6, 2025
We present Anubuddhi, a multi-agent AI system that designs and simulates quantum optics experiments from natural language prompts without requiring specialized programming knowledge. The system composes optical layouts by arranging components from a ...
Exploring the topology induced by non-Markovian Liouvillian exceptional points
Hao-Long Zhang, Yan Wang, Wen Ning +6 more·Dec 6, 2025
Non-Hermitian (NH) systems can display exotic topological phenomena without Hermitian counterparts, enabled by exceptional points (EPs). So far, investigations of NH topology have been restricted to EPs of the NH Hamiltonian, which governs the system...
Ferromagnetic Phase Transition of DPPH Induced by a Helical Magnetic Field
Emmanouil Markoulakis, John Chatzakis, Antonios Konstantaras +2 more·Dec 5, 2025
We report the results and unique instrument configuration of a novel experiment in which we successfully transitioned a DPPH sample from its natural paramagnetic state and essentially a non-magnetic material to a ferromagnetic state at room temperatu...
Entanglement is protected by acceleration-induced transparency in thermal field
Yongjie Pan, Baocheng Zhang, Qingyu Cai·Dec 5, 2025
The acceleration-induced transparency (AIT) effect has been suggested recently to amply the transition probability of the two-level detctor and offers a potential avenue for the experimental detection of the Unruh effect. In this paper, we explore th...
Comparison of Nb and Ta Pentoxide Loss Tangents for Superconducting Quantum Devices
D. P. Goronzy, W. W. Mah, P. G. Lim +14 more·Dec 5, 2025
Superconducting transmon qubits are commonly made with thin-film Nb wiring, but recent studies have shown increased performance with Ta wiring. In this work, we compare the resonator-induced single photon, millikelvin dielectric loss for pentoxides o...
Thermodynamic universality across dissipative quantum phase transitions
Laetitia P. Bettmann, Artur M. Lacerda, Mark T. Mitchison +1 more·Dec 4, 2025
We study finite-time driving across second-order dissipative quantum phase transitions described by Lindblad dynamics. We show that the nonadiabatic entropy production, which quantifies deviations from the instantaneous nonequilibrium steady state, e...
Emergence of ER=EPR from non-local gravitational energy
Kimet Jusufi, Francisco S. N. Lobo, Emmanuel N. Saridakis +1 more·Dec 4, 2025
We construct a class of wormhole geometries supported by the non-local gravitational self-energy that regularizes the particle and black-hole sectors of spacetime. Using this framework, inspired by T-duality, we show that two entangled particles (or ...
Operator Formalism for Laser-Plasma Wakefield Acceleration
Mostafa Behtouei, Carlos Salgado Lopez, Giancarlo Gatti·Dec 4, 2025
In this paper, we develop an operator-based framework for laser--plasma wakefield acceleration (LPWA) in capillary discharges, providing a compact and systematic description of the coupled dynamics of laser fields and plasma response. The formalism e...
Watt-level coherent microwave emission from dissipation engineered solid-state quantum batteries
Yuanjin Wang, Hao Wu, Mark Oxborrow +1 more·Dec 4, 2025
Recently proposed metastability-induced quantum batteries have shown particular promise for coherent microwave generation. However, achieving high-power coherent microwave generation in quantum batteries remains fundamentally challenging due to quant...
Continuously tunable single-photon level nonlinearity with Rydberg state wave-function engineering
Biao Xu, Gen-Sheng Ye, Yue Chang +2 more·Dec 4, 2025
Extending optical nonlinearity into the extremely weak light regime is at the heart of quantum optics, since it enables the efficient generation of photonic entanglement and implementation of photonic quantum logic gate. Here, we demonstrate the capa...
Experimental Sensitivity Enhancement of a Quantum Rydberg Atom-Based RF Receiver with a Metamaterial GRIN Lens
Anton Tishchenko, Demos Serghiou, Ashwin Thelappilly Joy +6 more·Dec 3, 2025
We experimentally demonstrate enhanced sensitivity of an atom-based Rydberg radio frequency (RF) receiver integrated with a gradient refractive index (GRIN) Luneburg-type metamaterial lens. By analyzing the electromagnetically induced transparency (E...