Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Entanglement Before Spacetime in Quantum-Gravity-Induced Interactions
Hollis Williams·Feb 5, 2026
Quantum-gravity-induced entanglement of massive systems (QGEM) is commonly approximated in the nonrelativistic static limit by a Newtonian interaction between spatially separated masses. In this work, we reformulate the gravitationally mediated inter...
Quantum scattering in helically twisted geometries: Coulomb-like interaction and Aharonov-Bohm effect
Augusto Tadeu P. de Araújo, Edilberto O. Silva·Feb 5, 2026
We investigate the scattering of a charged quantum particle in a helically twisted background that induces an effective Coulomb-like interaction, in the presence of an Aharonov-Bohm (AB) flux. Starting from the nonrelativistic Schrödinger equation in...
Distributed Quantum Error Mitigation: Global and Local ZNE encodings
Maria Gragera Garces·Feb 4, 2026
Errors are the primary bottleneck preventing practical quantum computing. This challenge is exacerbated in the distributed quantum computing regime, where quantum networks introduce additional communication-induced noise. While error mitigation techn...
Taming multiparty entanglement at measurement-induced phase transitions
Liuke Lyu, James Allen, Yi Hong Teoh +2 more·Feb 4, 2026
Measurement-induced phase transitions (MIPT) give rise to novel dynamical states of quantum matter realized by balancing unitary evolution and measurements. We present large-scale numerical simulations of a trapped-ion native MIPT, argued to belong t...
Ising-Induced Spectral Broadening Resolves the Relaxation Bottleneck in Superradiant Masers
Hongze Ding, Jiuqing Liang·Feb 4, 2026
The recent observation of self-induced superradiant masing [[W. Kersten et al., Nat. Phys. 22, 158 (2026)]] revealed a collective relaxation timescale significantly slower than predicted by standard coherent transport models. Here, we elucidate the m...
Restoring Landauer's Principle for Unitarily Transformed Thermal Reservoirs
Hao Xu·Feb 4, 2026
Landauer's principle, a cornerstone of quantum information and thermodynamics, appears to be violated when the thermal reservoir is replaced by a squeezed thermal state (STS). We introduce a formal extension of the principle to such unitarily transfo...
Squeezing-Enhanced Rotational Doppler Metrology
Javier Navarro, Mateo Casariego, Gabriel Molina-Terriza +2 more·Feb 4, 2026
A rotating surface can induce a frequency shift in incident light by changing its angular momentum, a phenomenon known as the rotational Doppler effect. This effect provides a means to estimate the angular velocity of the rotating surface. In this wo...
Restoring Sparsity in Potts Machines via Mean-Field Constraints
Kevin Callahan-Coray, Kyle Lee, Kyle Jiang +1 more·Feb 4, 2026
Ising machines and related probabilistic hardware have emerged as promising platforms for NP-hard optimization and sampling. However, many practical problems involve constraints that induce dense or all-to-all couplings, undermining scalability and h...
Stochastic Thermodynamics of Quantum-Induced Stochastic Dynamics
Pedro V. Paraguassú·Feb 3, 2026
Quantum-Induced Stochastic Dynamics arises from the coupling between a classical system and a quantum environment. Unlike standard thermal reservoirs, this environment acts as a dynamic bath, capable of simultaneously exchanging heat and performing w...
Mind the Gap: Anti-Critical Quantum Metrology
George Mihailescu, Karol Gietka·Feb 3, 2026
Critical quantum metrology exploits the dramatic growth of the quantum Fisher information near quantum phase transitions to enhance the precision of parameter estimation. This enhancement is commonly associated with a closing energy gap, which causes...
Device variability of Josephson junctions induced by interface roughness
Yu Zhu, Félix Beaudoin, Hong Guo·Feb 3, 2026
As quantum processors scale to large qubit numbers, device-to-device variability emerges as a critical challenge. Superconducting qubits are commonly realized using Al/AlO$_{\text{x}}$/Al Josephson junctions operating in the tunneling regime, where e...
Inducing, and enhancing, many-body quantum chaos by continuous monitoring
Xianlong Liu, Jie-ping Zheng, Antonio M. García-García·Feb 2, 2026
It is intuitively expected, and supported by earlier studies, that many-body quantum chaos is suppressed, or even destroyed, by dissipative effects induced by continuous monitoring. We show here that this is not always the case. For this purpose, we ...
Optimal enhancement of the Overhauser and Solid Effects within a unified framework
Sarfraj Fency, Rangeet Bhattacharyya·Feb 2, 2026
The Overhauser effect (OE) and the Solid effect (SE) are two Dynamic Nuclear Polarization techniques. These two-spin techniques are widely used to create nonequilibrium nuclear spin states having polarization far beyond its equilibrium value. OE is c...
Exceptional phase transition in a single Kerr-cat qubit
Pei-Rong Han, Tian-Le Yang, Wen Ning +4 more·Feb 2, 2026
Exceptional points in non-Hermitian quantum systems give rise to novel genuine quantum phenomena. Recent explorations of exceptional-point-induced quantum phase transitions have extended from discrete-variable to continuous-variable-encoded quantum s...
Quantum vortex channels as Josephson junctions
Natalia Masalaeva, Wyatt Kirkby, Francesca Ferlaino +1 more·Feb 2, 2026
In quantum gases, weak links are typically realized with externally imposed optical potentials. We show that, in rotating binary condensates, quantized vortices in one component form hollow channels that act as self-induced weak links for the other, ...
Phase Dynamics of Self-Accelerating Bose-Einstein Condensates
Maximilian L. D. D. Pellner, Georgi Gary Rozenman·Feb 1, 2026
Self-accelerating Airy matter waves offer a clean setting to access the cubic Kennard phase. Here we reconstruct the relative phase of simulated Airy-shaped Bose-Einstein condensates in free space, a regime approached in microgravity, from interferen...
Designing Extremely Low-Power Topological Transistors with 1T'-MoS2 and HZO for Cryogenic Applications.
Yosep Park, Yungyeong Park, Hyeonseok Choi +2 more·Feb 1, 2026
Large-scale quantum computing requires cryogenic electronic controllers such as control/readout and routing circuits. However, current technologies face high-power dissipation problems, hindering large-scale qubit integration. Here, we theoretically ...
First-Principles Optical Descriptors and Hybrid Classical-Quantum Classification of Er-Doped CaF$_2$
David Angel Alba Bonilla, Kerem Yurtseven, Krishan Sharma +4 more·Jan 31, 2026
We present a physics-informed classical-quantum machine learning framework for discriminating pristine CaF$_2$ from Er-doped CaF$_2$ using first-principles optical descriptors. Finite Ca$_8$F$_{16}$ and Ca$_7$ErF$_{16}$ clusters were constructed from...
Single-site dissipation stabilizes a superconducting nonequilibrium steady state in a strongly correlated system
X. Z. Zhang·Jan 31, 2026
Can superconducting order be engineered as a robust attractor of open-system dynamics in strongly correlated systems? We demonstrate this possibility by proposing a minimal dissipation-engineering protocol for the particle-hole symmetric Hubbard mode...
A room-temperature cavity-magnonic source of correlated microwave pairs
Qiuyuan Wang, Aravind Karthigeyan, Chung-Tao Chou +1 more·Jan 30, 2026
Correlated microwave photon sources are key enablers for technologies in quantum-limited sensing, signal amplification and communication, but the reliance on millikelvin operating temperature limits their scalability for broader applications. Here, a...