Quantum Brain

Papers

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

Total Papers

27,881

This Month

1,306

Today

0

Research Volume

13,127 papers in 12 months (+1% vs prior quarter)

Research Focus Areas

Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

27,881 papers found

PauliEngine: High-Performant Symbolic Arithmetic for Quantum Operations

Leon Müller, Adelina Bärligea, Alexander Knapp +1 more·Jan 5, 2026

Quantum computation is inherently hybrid, and fast classical manipulation of qubit operators is necessary to ensure scalability in quantum software. We introduce PauliEngine, a high-performance C++ framework that provides efficient primitives for Pau...

Quantum PhysicsEmerging Techcs.SEphysics.comp-ph

Impact of Spatial Proximity on Drone Services

Vejaykarthy Srithar, Syeda Amna Rizvi, Amani Abusafia +2 more·Jan 5, 2026

We demonstrate the peer-to-peer impact of drones flying in close proximity. Understanding these impacts is crucial for planning efficient drone delivery services. In this regard, we conducted a set of experiments using drones at varying positions in ...

Emerging Tech

Topological States Enabled by Non-local Nonlinearity in Synthetic Dimensions

Chong-Xiao Chen, Zheng-Wei Zhou, Han Pu +1 more·Jan 5, 2026

The interplay between topology and nonlinearity represents a central challenge in modern physics. Here, we investigate this interplay by considering a synthetic Su-Schrieffer-Heeger lattice with all-to-all nonlocal interactions. We find that the dist...

physics.opticsQuantum Physics

Developments in superconducting erasure qubits for hardware-efficient quantum error correction

Maria Violaris, Luciana Henaut, James Wills +3 more·Jan 5, 2026

Quantum computers are inherently noisy, and a crucial challenge for achieving large-scale, fault-tolerant quantum computing is to implement quantum error correction. A promising direction that has made rapid recent progress is to design hardware that...

Quantum Physics

Simulating Non-Markovian Dynamics in Open Quantum Systems

Meng Xu, Vasilii Vadimov, J. T. Stockburger +1 more·Jan 5, 2026

Recent advances in quantum technologies and related experiments have created a need for highly accurate, versatile, and computationally efficient simulation techniques for the dynamics of open quantum systems. Long-lived correlation effects (non-Mark...

Quantum Physicscond-mat.stat-mech

Optical nonlinearity of cold atomic ensemble driven by strong coherent field in a saturation regime

A. S. Usoltsev, L. V. Gerasimov, A. D. Manukhova +2 more·Jan 5, 2026

We present a microscopic analysis and evaluation of the dielectric susceptibility of a dielectric medium consisting of vector-type two-energy-level atoms responding on a weak probe mode when the atoms are driven by a strong coherent field. Each atom,...

Quantum Physics

Quantum Extreme Reservoir Computing for Phase Classification of Polymer Alloy Microstructures

Arisa Ikeda, Akitada Sakurai, Kae Nemoto +1 more·Jan 5, 2026

Quantum machine learning (QML) is expected to offer new opportunities to process high-dimensional data efficiently by exploiting the exponentially large state space of quantum systems. In this work, we apply quantum extreme reservoir computing (QERC)...

Quantum Physicscond-mat.mtrl-sci

O Nature, Where Art Thou?

Fay Dowker·Jan 5, 2026

Where does what happens happen in a quantum system? The standard textbook formulation of quantum mechanics provides a strange, imprecise and yet successful-in-practice answer to this question. In the struggle to unify our understanding of gravity wit...

gr-qchep-thQuantum Physics

Flux-noise-resilient transmon qubit via a doubly-connected gradiometric design

J. B. Fu, Da-Wei Wang, B. Ren +12 more·Jan 5, 2026

Frequency-tunable superconducting transmon qubits are a cornerstone of scalable quantum processors, yet their performance is often degraded by sensitivity to low-frequency flux noise. Here we present a doubly-connected gradiometric transmon (the ``8-...

Quantum Physics

Efficient Calculation of the Maximal Rényi Divergence for a Matrix Product State via Generalized Eigenvalue Density Matrix Renormalization Group

Uri Levin, Noa Feldman, Moshe Goldstein·Jan 5, 2026

The study of quantum and classical correlations between subsystems is fundamental to understanding many-body physics. In quantum information theory, the quantum mutual information, $I(A;B)$, is a measure of correlation between the subsystems $A,B$ in...

Quantum Physicscond-mat.str-el

Addressing intramolecular vibrational redistribution in a single molecule through pump and probe surface-enhanced vibrational spectroscopy

Aurelian Loirette-Pelous, Roberto A. Boto, Javier Aizpurua +1 more·Jan 5, 2026

The development of accurate tools to characterize Intramolecular Vibrational Redistribution (IVR) is of major interest in chemistry. In this context, surface-enhanced vibrational spectroscopies stand up as well-established techniques to study molecul...

physics.opticsphysics.chem-phQuantum Physics

Magnetically Induced Transparency-Absorption and Normal-Anomalous Dispersion Characteristics of ${}^{87}\text{Rb}$ Medium or Any J-Type Configuration Atomic Vapors Subject to a Vector Magnetic Field and a Weak Resonant Pump

Hayk L. Gevorgyan·Jan 5, 2026

We have developed an analytical framework for magnetically induced transparency-absorption (MITA) and normal-anomalous dispersion (MINAD) in a weakly driven ${}^{87}\text{Rb}$ vapor, or any J-type three-level system, under a vector magnetic field. By...

Atomic Physicsphysics.opticsQuantum Physics

Adaptive Framework for Failure-Aware Protocols in Fusion-Based Graph-State Generation

Korbinian Staudacher, Bhilahari Jeevanesan, Tobias Guggemos·Jan 5, 2026

We consider the generation of photonic graph states in a linear optics setting where sequential non-deterministic fusion measurements are used to build large graph states out of small linear clusters and develop a framework to optimize the building p...

Quantum Physics

Optimization of modulation transfer protocol for Rydberg RF receivers

Mickael Branco, K V Adwaith, Duc-Anh Trinh +4 more·Jan 5, 2026

We explore theoretically and experimentally the recently demonstrated modulation transfer protocol [D.-A. Trinh, K. V. Adwaith, M. Branco, A. Rouxel, S. Welinski, P. Berger, F. Goldfarb, and F. Bretenaker, Applied Physics Letters 125, 154001 (2024)] ...

Quantum PhysicsAtomic Physics

Cutting Quantum Circuits Beyond Qubits

Manav Seksaria, Anil Prabhakar·Jan 5, 2026

We extend quantum circuit cutting to heterogeneous registers comprising mixed-dimensional qudits. By decomposing non-local interactions into tensor products of local generalised Gell-Mann matrices, we enable the simulation and execution of high-dimen...

Quantum Physicscs.DC

Integrating Quantum Software Tools with(in) MLIR

Patrick Hopf, Erick Ochoa Lopez, Yannick Stade +6 more·Jan 5, 2026

Compilers transform code into action. They convert high-level programs into executable hardware instructions - a crucial step in enabling reliable and scalable quantum computation. However, quantum compilation is still in its infancy, and many existi...

Quantum Physicscs.SE

Enhancing Object Detection with Privileged Information: A Model-Agnostic Teacher-Student Approach

Matthias Bartolo, Dylan Seychell, Gabriel Hili +4 more·Jan 5, 2026

This paper investigates the integration of the Learning Using Privileged Information (LUPI) paradigm in object detection to exploit fine-grained, descriptive information available during training but not at inference. We introduce a general, model-ag...

cs.CVAIEmerging Techcs.LG

Absolutely Maximal Contextual Correlations

Nripendra Majumdar, S. Aravinda·Jan 5, 2026

The foundational work by Bell led to an interest in understanding non-local correlations that arise from entangled states shared between distinct, spacelike-separated parties, which formed a foundation for the theory of quantum information processing...

Quantum Physics

Physics-Informed Deep Recurrent Back-Projection Network for Tunnel Propagation Modeling

Kunyu Wu, Qiushi Zhao, Jingyi Zhou +4 more·Jan 5, 2026

Accurate and efficient modeling of radio wave propagation in railway tunnels is is critical for ensuring reliable communication-based train control (CBTC) systems. Fine-grid parabolic wave equation (PWE) solvers provide high-fidelity field prediction...

Emerging Tech

Parallel Quantum Gates via Scalable Subsystem-Optimized Robust Control

Xiaodong Yang, Ran Liu, Jun Li·Jan 5, 2026

Accurate and efficient implementation of parallel quantum gates is crucial for scalable quantum information processing. However, the unavoidable crosstalk between qubits in current noisy processors impedes the achievement of high gate fidelities and ...

Quantum Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.