Quantum Brain

Papers

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

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27,548

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12,907 papers in 12 months (-5% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

4,695 papers found

Noise-Induced Equalization in quantum learning models

Francesco Scala, Giacomo Guarnieri, Aurelien Lucchi·Nov 12, 2025

Quantum noise is known to strongly affect quantum computation, thus potentially limiting the performance of currently available quantum processing units. Even learning models based on variational quantum algorithms, which were designed to cope with t...

Quantum Physics

Influence of Modulation Frequency Stabilization on Spectral Noise of Electromagnetically Induced Transparency

Hou Jinghua, Su Nan, Liu Yao +3 more·Nov 12, 2025

The conversion of the modulation signal from the coupling light to the probe light and the conversion of the additional phase noise from the coupling light to the amplitude noise of the probe light in the electromagnetically induced transparency (EIT...

physics.opticsQuantum Physics

Quantum Frustration as a Protection Mechanism in Non-Topological Majorana Qubits

E. Novais·Nov 12, 2025

I analyze the decoherence of a $π$-junction qubit encoded by two co-located Majorana modes. Although not topologically protected, the qubit leverages distinct spatial profiles to couple to two independent environmental baths, realizing the phenomenon...

Quantum PhysicsMesoscale Physics

Efficient and Noise-Resilient Molecular Quantum Simulation with the Generalized Superfast Encoding

James Brown, Tarini S Hardikar, Kenny Heitritter +1 more·Nov 12, 2025

Simulating molecular systems on quantum computers requires efficient mappings from Fermionic operators to qubit operators. Traditional mappings such as Jordan-Wigner or Bravyi-Kitaev often produce high-weight Pauli terms, increasing circuit depth and...

Quantum Physics

Classical Optimization Strategies for Variational Quantum Algorithms: A Systematic Study of Noise Effects and Parameter Efficiency

Tomáš Bezděk, Haomu Yuan, Vojtěch Novák +2 more·Nov 12, 2025

This study systematically benchmarks classical optimization strategies for the Quantum Approximate Optimization Algorithm when applied to Generalized Mean-Variance Problems under near-term Noisy Intermediate-Scale Quantum conditions. We evaluate Dual...

Quantum Physicsmath.NA

Hybrid Photonic-Quantum Reservoir Computing For Time-Series Prediction

Oishik Kar, Aswath Babu H·Nov 12, 2025

Motivated by the perspective of advanced time-series prediction and exploitation of Quantum Reservoir Computing (QRC), we explored the design and implementation of a Hybrid Photonic-Quantum Reservoir Computing (HPQRC) paradigm. It brings together the...

Quantum Physics

Resource-Efficient Variational Quantum Classifier

Petr Ptáček, Paulina Lewandowska, Ryszard Kukulski·Nov 12, 2025

We introduce the unambiguous quantum classifier based on Hamming distance measurements combined with classical post-processing. The proposed approach improves classification performance through a more effective use of ansatz expressivity, while requi...

Quantum Physicscs.LG

Boosting Gravity-Induced Entanglement through Parametric Resonance

Yuka Shiomatsu, Youka Kaku, Akira Matsumura +1 more·Nov 12, 2025

Establishing quantum gravity theory remains one of the major challenges in modern physics, as the lack of experimental evidence makes it difficult to explore. In response to this challenge, proposals to test quantum entanglement induced by Newtonian ...

gr-qcQuantum Physics

Private Remote Phase Estimation over a Lossy Quantum Channel

Farzad Kianvash, Marco Barbieri, Matteo Rosati·Nov 12, 2025

Private remote quantum sensing (PRQS) aims at estimating a parameter at a distant location by transmitting quantum states on an insecure quantum channel, limiting information leakage and disruption of the estimation itself from an adversary. Previous...

Quantum Physicsphysics.optics

Inherently unpredictable beam steering for quantum LiDAR

Junyeop Kim, Dongjin Lee, Woncheol Shin +2 more·Nov 12, 2025

Quantum LiDAR offers noise resilience and stealth observation capabilities in low-light conditions. In prior demonstrations, the telescope pointing was raster-scanned, making the observation direction predictable from the pointing direction. However,...

Quantum Physicsphysics.optics

QIBONN: A Quantum-Inspired Bilevel Optimizer for Neural Networks on Tabular Classification

Pedro Chumpitaz-Flores, My Duong, Ying Mao +1 more·Nov 12, 2025

Hyperparameter optimization (HPO) for neural networks on tabular data is critical to a wide range of applications, yet it remains challenging due to large, non-convex search spaces and the cost of exhaustive tuning. We introduce the Quantum-Inspired ...

cs.LGQuantum Physics

Modelling many-body quantum dynamics with stochastic trajectories: a critical test on the Tavis-Cummings model

A. Leonau, S. Chuchurka, V. Sukharnikov +2 more·Nov 11, 2025

We critically explore the applicability of a recently proposed framework to sample the quantum dynamics of a many-body quantum system interacting with light by stochastic trajectories, applying it to the closed and open Tavis-Cummings model (TCM). Th...

Quantum Physics

Probing short-range gravity using quantum reflection

J. Boynewicz, C. A. Sackett·Nov 11, 2025

Quantum reflection occurs when ultra-cold atoms are incident on a material surface with sufficiently low velocity. The reflecting matter wave can interfere with the incident wave to form a detectable pattern, and this pattern contains information abo...

cond-mat.quant-gasQuantum Physics

Hybrid Atomistic-Parametric Decoherence Model for Molecular Spin Qubits

Katy Aruachan, Sanoj Raj, Yamil J. Colón +2 more·Nov 11, 2025

Solid-state molecular qubits with open-shell ground states have great potential for addressability, scalability, and tunability, but understanding the fundamental limits of quantum coherence in these systems is challenging due to the complexity of th...

Quantum Physicsphysics.chem-ph

Fluctuation amplification engineering in multimode Raman-cavity systems

H. P. Ojeda Collado, Ludwig Mathey·Nov 11, 2025

Parametric amplification is a key ingredient of a wide range of phenomena, from the classical to the quantum domain. Although such phenomena have been demonstrated in non-equilibrium settings, their use for fluctuation engineering has been put forth ...

Quantum PhysicsMesoscale Physics

Surprising applications of Newton's hyperbolism transform of curves in Fourier-transform spectroscopy

Dennis Huber, Steffen J. Glaser·Nov 11, 2025

The Fourier transform (FT) represents a key tool in modern spectroscopy which drastically reduces measurement times and helps to improve the signal-to-noise ratio in spectra. Fourier transforming exponentially decaying time domain signals gives Loren...

Quantum Physics

Reliable Optimization Under Noise in Quantum Variational Algorithms

Vojtěch Novák, Silvie Illésová, Tomáš Bezděk +2 more·Nov 11, 2025

The optimization of Variational Quantum Eigensolver is severely challenged by finite-shot sampling noise, which distorts the cost landscape, creates false variational minima, and induces statistical bias called winner's curse. We investigate this phe...

Quantum Physics

Enhancing Circuit Fidelity in Transmon Qubit Rings via Operation Duration Tuning under Strong Connectivity Noise

Quan Fu, Xin Wang, Rui Xiong·Nov 11, 2025

Superconducting transmon qubits are a promising platform for quantum computation, yet they face significant fidelity degradation due to connectivity noise, particularly in the intermediate coupling regime where noise levels are substantial. While pri...

Quantum PhysicsMesoscale Physics

Gate Sequence Optimization for Parameterized Quantum Circuits using Reinforcement Learning

Tom R. Rieckmann, Stefan Scheel, A. Douglas K. Plato·Nov 11, 2025

Current experimental quantum computing devices are limited by noise, mainly originating from entangling gates. If an efficient gate sequence for an operation is unknown, one often employs layered parameterized quantum circuits, especially hardware-ef...

Quantum Physics

Coherence in the Leak and Storage Kurtosis control Ergotropy in Quantum Batteries

Bitap Raj Thakuria, Trishna Kalita, Manash Jyoti Sarmah +1 more·Nov 11, 2025

We introduce a cavity-coupled finite quantum system which can act as a quantum battery by harnessing noise induced coherences. We apply the methodology of full counting statistics to capture higher-order fluctuations of quanta exchange in the storage...

Quantum PhysicsMesoscale Physics
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