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Live trends in quantum computing research, updated daily from arXiv.
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Emergent synchronization mode in coupled Rydberg atomic chains
Weilun Jiang·Nov 15, 2025
We report a new oscillatory form in the two coupled dissipative Rydberg atomic chains by modulating its spacing. Such oscillation has $π$-phase difference between two neighboring sites, which distinguishes itself from antiferromagnetic-type synchroni...
Leveraging Quantum-Based Architectures for Robust Diagnostics
Shabnam Sodagari, Tommy Long·Nov 15, 2025
The objective of this study is to diagnose and differentiate kidney stones, cysts, and tumors using Computed Tomography (CT) images of the kidney. This study leverages a hybrid quantum-classical framework in this regard. We combine a pretrained ResNe...
Error-Mitigation Enabled Multicomponent Quantum Simulations Beyond the Born-Oppenheimer Approximation
Delmar G. A. Cabral, Brandon Allen, Fabijan Pavošević +6 more·Nov 14, 2025
We introduce a multicomponent unitary coupled cluster framework for quantum simulations of molecular systems that incorporate both electronic and nuclear quantum effects beyond the Born-Oppenheimer approximation. Using the nuclear-electronic orbital ...
Compact cavity-dressed Hamiltonian framework at arbitrarily strong light-matter coupling
Jakub Garwoła, Dvira Segal·Nov 14, 2025
We present a non-perturbative Hamiltonian mapping method for quantum systems strongly coupled to a quantized field mode (cavity), yielding compact closed-form representations of hybrid light-matter systems. The mapping method builds on an entangling ...
Relativistic Maxwell-Bloch Equations with Applications to Astrophysics
Ningyan Fang, Victor Botez, Fereshteh Rajabi +1 more·Nov 14, 2025
We derive relativistic Maxwell-Bloch equations for potential applications in astronomical environments, where various radiative processes are known to occur, including the maser action and Dicke's superradiance. We show that for both phenomena a radi...
Sample-based training of quantum generative models
Maria Demidik, Cenk Tüysüz, Michele Grossi +1 more·Nov 14, 2025
Quantum computers can efficiently sample from probability distributions that are believed to be classically intractable, providing a foundation for quantum generative modeling. However, practical training of such models remains challenging, as gradie...
Vector magnetometry using cavity-enhanced microwave readout in nitrogen-vacancy diamond
Reginald Wilcox, David Phillips, Matthew Steinecker +6 more·Nov 14, 2025
We demonstrate $4π$-steradian vector magnetic field sensing using an ensemble of nitrogen-vacancy (NV) centers in a single-crystal diamond coupled to a microwave (MW) cavity. The MW cavity enhances the spin-photon coupling which enables efficient, hi...
2025 Quantum Diamond Workshop Findings Report
Danielle A. Braje, Matthew L. Markham, Jennifer M. Schloss +2 more·Nov 14, 2025
This report synthesizes the outcomes of a two-day workshop held in Washington, D.C. in May, 2025 that convened researchers, industry representatives, and government stakeholders to examine the current state and future directions of quantum diamond te...
Study of Quantum Confinement inside a Viral Capsid
Elso Drigo Filho, Regina Maria Ricotta·Nov 14, 2025
Classical computational methods, such as molecular dynamics and Monte Carlo simulations, have long been the standard for modeling viral structure and function. However, these approaches may overlook crucial quantum phenomena that operate at the nanos...
Efficient computation of quantum time-optimal control
Andrei A. Stepanenko, Kseniia S. Chernova, Maxim A. Gorlach·Nov 14, 2025
We present an approach to compute time-optimal control of a quantum system which combines quantum brachistochrone and Lax pair techniques and enables efficient investigation of large-scale quantum systems. We illustrate our method by finding the fast...
Collective Enhancement of Photon Blockade via Two-Photon Interactions
Lijuan Dong, Aanal Jayesh Shah, Peter Kirton +2 more·Nov 14, 2025
Analogous to Coulomb blockade for electrons, photon blockade is a key quantum optical effect in which the presence of one photon prevents the transmission of subsequent ones through a nonlinear medium. Beyond its fundamental interest, photon and mult...
RF-Squad: A radiofrequency simulator for quantum dot arrays
Tara Murphy, Katarina Brlec, Giovanni Oakes +5 more·Nov 14, 2025
Spins in semiconductor quantum dots offer a scalable approach to quantum computing; however, precise control and efficient readout of large quantum dot arrays remain challenging, mainly due to the hyperdimensional voltage space required for tuning mu...
Photonic-integrated quantum sensor array for microscale magnetic localisation
Hao-Cheng Weng, John G. Rarity, Krishna C. Balram +1 more·Nov 14, 2025
Nitrogen-vacancy centres (NVs) are promising solid-state nanoscale quantum sensors for applications ranging from material science to biotechnology. Using multiple sensors simultaneously offers advantages for probing spatiotemporal correlations of flu...
A Quantum Spectral Method for Non-Periodic Boundary Value Problems
Eky Febrianto, Yiren Wang, Burigede Liu +2 more·Nov 14, 2025
Quantum computing holds the promise of solving computational mechanics problems in polylogarithmic time, meaning computational time scales as $\mathscr{O}((\log N)^c)$, where $N$ is the problem size and $c$ a constant. We propose a quantum spectral m...
TrackHHL: A Quantum Computing Algorithm for Track Reconstruction at the LHCb
Xenofon Chiotopoulos, Miriam Lucio Martinez, Davide Nicotra +4 more·Nov 14, 2025
In the future high-luminosity LHC era, high-energy physics experiments face unprecedented computational challenges for event reconstruction. Employing the LHCb vertex locator as a case study we investigate a novel approach for charged particle track ...
Photon correlation Fourier spectroscopy of a B center in hBN
Aymeric Delteil, Stéphanie Buil, Jean-Pierre Hermier·Nov 14, 2025
The potential of solid-state quantum emitters for applications critically depends on several key figures of merit. One of the most important is the quantum coherence of the emitted single photons, which can be compromised by fast dephasing and spectr...
Hamiltonian simulation with explicit formulas for Digital-Analog Quantum Computing
Mikel Garcia-de-Andoin, Thorge Müller, Gonzalo Camacho·Nov 14, 2025
Digital-analog is a quantum computational paradigm that employs the natural interaction Hamiltonian of a system as the entangling resource, combined with single qubit gates, to implement universal quantum operations. As in the case of its digital gat...
Bidimensional measurements of photon statistics within a multimodal temporal framework
C. Hainaut, K. Ouahrouche, A. Rancon +5 more·Nov 14, 2025
Ultrafast imaging of photon statistics in two dimensions is a powerful tool for probing non-equilibrium and transient optical phenomena, yet it remains experimentally challenging due to the simultaneous need for high temporal resolution and statistic...
Variational Quantum Algorithms for Particle Track Reconstruction
Vincenzo Lipardi, Xenofon Chiotopoulos, Jacco A. de Vries +4 more·Nov 14, 2025
Quantum Computing is a rapidly developing field with the potential to tackle the increasing computational challenges faced in high-energy physics. In this work, we explore the potential and limitations of variational quantum algorithms in solving the...
Molecular analogue for scalar dynamics in a tachyonic metric
Davi de Moura Esposti Moreira, Matheus Elias Pereira, Alexandre Grezzi de Miranda Schmidt·Nov 14, 2025
Tachyons are hypothetical particles that propagate faster than light, yet they have never been observed in nature or in the laboratory. In this work, we introduce the hydrogen molecule ion as an analogue for the dynamics of a spinless test particle i...