Quantum Brain

Papers

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

Total Papers

27,548

This Month

1,041

Today

0

Research Volume

12,912 papers in 12 months (-5% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,747 papers found

Quality of service in aggregated quantum networks

N. Piparo, W. Munro, K. Nemoto·Jan 31, 2025

Future quantum networks will enable the interconnection of multiple users distributed across vast geographic distances. Due to these large separations and limited physical resources, communication will often rely on multi-path routing strategies, whe...

Physics

Generation and Teleportation of three and four particle W state

Seyed Amir hossein Mehrinezhad Chobari, Hossein Aghababa, Mohammadreza Kolahdouz·Jan 30, 2025

In this paper, we introduced circuits for three- and four-particle quantum systems to generate W states with any arbitrary coefficients and phases. Subsequently, each qubit was transmitted separately through a four-qubit entangled channel. Before tra...

Physics

Hierarchical generation and design of quantum codes for resource-efficient loss-tolerant quantum communications

Franceso Cesa, Tommaso Feri, A. Bassi·Jan 30, 2025

We develop novel protocols for generating loss-tolerant quantum codes; these are central for safeguarding information against qubit losses, with most crucial applications in quantum communications. Contrary to current proposals, our method enables to...

Physics

QNN-QRL: Quantum Neural Network Integrated with Quantum Reinforcement Learning for Quantum Key Distribution

B. Behera, S. Al-kuwari, Ahmed Farouk·Jan 30, 2025

Quantum key distribution (QKD) has emerged as a critical component of secure communication in the quantum era, ensuring information-theoretic security. Despite its potential, there are issues in optimizing key generation rates, enhancing security, an...

Physics

Space-Time-Coupled Qubits for Enhanced Superconducting Quantum Computing

S. Taravati·Jan 28, 2025

The pursuit of scalable and robust quantum computing necessitates innovative approaches to overcome the inherent challenges of qubit connectivity, decoherence, and susceptibility to noise and crosstalk. Conventional monochromatic qubit coupling archi...

Physics

Entanglement in Markovian hybrid classical-quantum theories of gravity

Oliviero Angeli, Matteo Carlesso·Jan 27, 2025

Markovian master equations underlie many areas of modern physics and, despite their apparent simplicity, they encode a rich and complex dynamics which is still under active research. We identify a class of continuous variable Markovian master equatio...

Quantum Physicsgr-qc

Rudraksh: A compact and lightweight post-quantum key-encapsulation mechanism

Suparna Kundu, Archisman Ghosh, A. Karmakar +2 more·Jan 23, 2025

Resource-constrained devices such as wireless sensors and Internet of Things (IoT) devices have become ubiquitous in our digital ecosystem. These devices generate and handle a major part of our digital data. However, due to the impending threat of qu...

Computer Science

Investigating Parameter-Efficiency of Hybrid QuGANs Based on Geometric Properties of Generated Sea Route Graphs

Tobias Rohe, Florian Burger, Michael Kölle +3 more·Jan 15, 2025

The demand for artificially generated data for the development, training and testing of new algorithms is omnipresent. Quantum computing (QC), does offer the hope that its inherent probabilistic functionality can be utilised in this field of generati...

Computer SciencePhysics

A modular quantum gas platform

Tobias Hammel, Maximilian Kaiser, Daniel Dux +3 more·Jan 14, 2025

We report on the development of a modular platform for programmable quantum simulation with atomic quantum gases. The platform is centered around exchangeable optical modules with versatile functionalities. The performance of each module is disentang...

Physics

A large-scale reconfigurable multiplexed quantum photonic network

N. H. Valencia, Annameng Ma, Suraj Goel +5 more·Jan 13, 2025

The distribution of entanglement in quantum networks will enable the next generation of technologies in quantum-secured communications, distributed quantum computing and sensing. Future quantum networks will require dense connectivity, allowing multi...

PhysicsMedicine

Learning agent-based approach to the characterization of open quantum systems

Lorenzo Fioroni, Ivan Rojkov, Florentin Reiter·Jan 9, 2025

Characterizing quantum processes is crucial for the execution of quantum algorithms on available quantum devices. A powerful framework for this purpose is the Quantum Model Learning Agent (QMLA) which characterizes a given system by learning its Hami...

Physics

Quantum-Enhanced Conformal Methods for Multi-Output Uncertainty: A Holistic Exploration and Experimental Analysis

Emre Tasar·Jan 7, 2025

In this paper, we propose a unified approach to harness quantum conformal methods for multi-output distributions, with a particular emphasis on two experimental paradigms: (i) a standard 2-qubit circuit scenario producing a four-dimensional outcome d...

PhysicsComputer Science

Characterizing quantum dynamics using multipartite entanglement generation

Gaurav Rudra Malik, Rohit Kumar Shukla, S. Aravinda +1 more·Jan 6, 2025

Entanglement is a defining feature of many-body quantum systems and is an essential requirement for quantum computing. It is therefore useful to study physical processes which generate entanglement within a large system, as they maybe replicated for ...

PhysicsComputer Science

Linear Optics to Scalable Photonic Quantum Computing

D. D. K. Wayo, L. Goliatt, Darvish Ganji·Jan 5, 2025

Recent advancements in quantum photonics have driven significant progress in photonic quantum computing (PQC), addressing challenges in scalability, efficiency, and fault tolerance. Experimental efforts have focused on integrated photonic platforms u...

Physics

Decoding scrambled quantum information that was never encoded: An experimental demonstration

Yi-Te Huang, Siang Huang, Jhen-Dong Lin +5 more·Jan 4, 2025

Quantum information scrambling (QIS) describes the rapid spread of initially localized information across an entire quantum many-body system through entanglement generation. Once scrambled, the original local information becomes encoded globally, ina...

Physics

Quantum Diffusion Model for Quark and Gluon Jet Generation

Mariia Baidachna, Rey Guadarrama, Gopal Ramesh Dahale +6 more·Dec 30, 2024

Diffusion models have demonstrated remarkable success in image generation, but they are computationally intensive and time-consuming to train. In this paper, we introduce a novel diffusion model that benefits from quantum computing techniques in orde...

PhysicsComputer Science

Continuous variable entanglement in a cold-atoms mirrorless optical parametric oscillator

G. C. Borba, R. S. N. Moreira, L. S. Cruz +3 more·Dec 24, 2024

In this work, we explore both the internal and external atomic degrees of freedom to observe quantum entanglement between the modes produced by a mirrorless optical parametric oscillator operating below the oscillation threshold in a sample of free-s...

Quantum Physics

Distributed multi-parameter quantum metrology with a superconducting quantum network

Jiajian Zhang, Lingna Wang, Yong-Ju Hai +19 more·Dec 24, 2024

Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements in fundamental physics. With the advent of distributed quantum metrology, its capabilities have extended to probing spatially distributed para...

Quantum Physics

Entropy Density Benchmarking of Near-Term Quantum Circuits

Marine Demarty, James Mills, Kenza Hammam +1 more·Dec 23, 2024

Understanding the limitations imposed by noise on current and next-generation quantum devices is a crucial step towards demonstrating practical quantum advantage. In this work, we investigate the accumulation of entropy density as a benchmark to moni...

Quantum Physics

Pseudo Random Number Generator-Based One-Time Signature

Abel C. H. Chen·Dec 22, 2024

With the advancement of quantum computing technologies, there has been increasing focus in recent years on identifying cryptographic methods resilient to quantum attacks and developing post-quantum cryptography (PQC) techniques. Among these, hash-bas...

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