Quantum Brain

Papers

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

Total Papers

27,694

This Month

1,159

Today

0

Research Volume

13,010 papers in 12 months (-3% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

4,717 papers found

Partition function estimation with a quantum coin toss

T. L. Silva, Lucas Borges, Leandro Aolita·Nov 26, 2024

Estimating quantum partition functions is a critical task in a variety of fields. However, the problem is classically intractable in general due to the exponential scaling of the Hamiltonian dimension $N$ in the number of particles. This paper introd...

Physics

High-Level Surface Code Decoding via Parallel FFNNs on CIM Platforms

Hao Wang, Erjia Xiao, Wenbo Mu +9 more·Nov 26, 2024

Due to the high sensitivity of qubits to environmental noise, which leads to decoherence and information loss, active quantum error correction(QEC) is essential. Surface codes represent one of the most promising fault-tolerant QEC schemes, but they r...

Computer Science

Mixed-State Quantum Denoising Diffusion Probabilistic Model

Gino Kwun, Bingzhi Zhang, Quntao Zhuang·Nov 26, 2024

Generative quantum machine learning has gained significant attention for its ability to produce quantum states with desired distributions. Among various quantum generative models, quantum denoising diffusion probabilistic models (QuDDPMs) [Phys. Rev....

PhysicsComputer Science

Protomon: A Multimode Qubit in the Fluxonium Molecule

Shashwat Kumar, X. You, Xanthe Croot +7 more·Nov 25, 2024

Qubits that are intrinsically insensitive to depolarization and dephasing errors promise to significantly reduce the overhead of fault-tolerant quantum computing. At their optimal operating points, the logical states of these qubits exhibit both expo...

Physics

Distributing Quantum Computations, Shot-wise

Giuseppe Bisicchia, Giuseppe Clemente, J. García-Alonso +3 more·Nov 25, 2024

NISQ (Noisy Intermediate-Scale Quantum) era constraints, high sensitivity to noise and limited qubit count, impose significant barriers on the usability of QPUs (Quantum Process Units) capabilities. To overcome these challenges, researchers are explo...

PhysicsComputer Science

A Differentially Private Quantum Neural Network for Probabilistic Optimal Power Flow

Yuji Cao, Yue Chen, Yan Xu·Nov 25, 2024

The stochastic nature of renewable energy and load demand requires efficient and accurate solutions for probabilistic optimal power flow (OPF). Quantum neural networks (QNNs), which combine quantum computing and machine learning, offer computational ...

Computer ScienceEngineering

Dephasing-assisted diffusive dynamics in superconducting quantum circuits

Yongqi Liang, Changrong Xie, Zechen Guo +21 more·Nov 23, 2024

Random fluctuations caused by environmental noise can lead to decoherence in quantum systems. Exploring and controlling such dissipative processes is both fundamentally intriguing and essential for harnessing quantum systems to gain practical advanta...

Physics

Towards quantum simulation of lower-dimensional supersymmetric lattice models

E. Mendicelli, D. Schaich·Nov 22, 2024

Supersymmetric models are grounded in the intriguing concept of a hypothetical symmetry that relates bosonic and fermionic particles. This symmetry has profound implications, offering valuable extensions to the Standard Model of particle physics and ...

Physics

Continuous Automatic Polarization Channel Stabilization from Heterodyne Detection of Coexisting Dim Reference Signals

Joseph C. Chapman, M. Alshowkan, K. Reaz +2 more·Nov 22, 2024

Quantum networking continues to encode information in polarization states due to ease and precision. The variable environmental polarization transformations induced by deployed fiber need correction for deployed quantum networking. Here we present a ...

Physics

Capacity-Achieving Entanglement Purification Protocol for Pauli Dephasing Channel

Ozlem Erkilic, Matthew S. Winnel, Aritra Das +4 more·Nov 21, 2024

Quantum communication enables secure information transmission and entanglement distribution, but these tasks are fundamentally limited by the capacities of quantum channels. While quantum repeaters can mitigate losses and noise, entanglement swapping...

Quantum PhysicsMathematical Physics

Improved fluxonium readout through dynamic flux pulsing

Taryn V. Stefanski, Figen Yilmaz, Eugene Y. Huang +5 more·Nov 20, 2024

The ability to perform rapid, high fidelity readout of a qubit state is an important requirement for quantum algorithms and, in particular, for enabling operations such as mid-circuit measurements and measurement-based feedback for error correction s...

Physics

Optimized four-qubit quantum error correcting code for amplitude damping channel

Xuanhui Mao, Qiang-Da Xu, Liang Jiang·Nov 20, 2024

Quantum error correction (QEC) is essential for reliable quantum information processing. Targeting a particular error channel, both the encoding and the recovery channel can be optimized through a biconvex optimization to give a high-performance, noi...

Physics

Cooperative quantum interface for noise mitigation in quantum networks

Yan‐Lei Zhang, Ming Li, Xin-Biao Xu +5 more·Nov 20, 2024

Quantum frequency converters that enable the interface between the itinerant photons and qubits are indispensable for realizing long-distance quantum network. However, the cascaded connection between converters and qubits usually brings additional in...

Physics

Asymptotic robustness of entanglement in noisy quantum networks and graph connectivity

Fernando Lledó, Carlos Palazuelos, Julio I. de Vicente·Nov 19, 2024

Quantum networks are promising venues for quantum information processing. This motivates the study of the entanglement properties of the particular multipartite quantum states that underpin these structures. In particular, it has been recently shown ...

Quantum PhysicsMathematical Physics

Hybrid Quantum Deep Learning Model for Emotion Detection using raw EEG Signal Analysis

Ali Asgar Chandanwala, Srutakirti Bhowmik, Parna Chaudhury +1 more·Nov 19, 2024

Applications in behavioural research, human-computer interaction, and mental health depend on the ability to recognize emotions. In order to improve the accuracy of emotion recognition using electroencephalography (EEG) data, this work presents a hyb...

Computer ScienceEngineering

Multiplexed readout of Superconductor--Normal-Conductor--Superconductor bolometers

Priyank Singh, Andr'as Gunyh'o, Heikki Suominen +9 more·Nov 19, 2024

Recently, ultrasensitive calorimeters have been proposed as a resource-efficient solution for multiplexed qubit readout in superconducting large-scale quantum processors. However, experiments demonstrating frequency multiplexing of these superconduct...

Physics

Reuse-Aware Compilation for Zoned Quantum Architectures Based on Neutral Atoms

Wan-Hsuan Lin, Daniel Bochen Tan, Jason Cong·Nov 18, 2024

Quantum computing architectures based on neutral atoms offer large scales and high-fidelity operations. They can be heterogeneous, with different zones for storage, entangling operations, and readout. Zoned architectures improve computation fidelity ...

Quantum Physics

Millimeter-Wave Superconducting Qubit

Alexander Anferov, Fanghui Wan, Shannon P. Harvey +2 more·Nov 17, 2024

Manipulating the electromagnetic spectrum at the single-photon level is fundamental for quantum experiments. In the visible and infrared ranges, this can be accomplished with atomic quantum emitters, and with superconducting qubits such control is ex...

Physics

Local Clustering Decoder as a fast and adaptive hardware decoder for the surface code

Abbas B. Ziad, Ankit Zalawadiya, Canberk Topal +4 more·Nov 15, 2024

To avoid prohibitive overheads in performing fault-tolerant quantum computation, the decoding problem needs to be solved accurately and at speeds sufficient for fast feedback. Existing decoding systems fail to satisfy both of these requirements, mean...

Quantum Physics

Quantum similarity learning for anomaly detection

A. Hammad, M. Nojiri, Masahito Yamazaki·Nov 15, 2024

Anomaly detection is a vital technique for exploring signatures of new physics Beyond the Standard Model (BSM) at the Large Hadron Collider (LHC). The vast number of collisions generated by the LHC demands sophisticated deep learning techniques. Simi...

Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.