Quantum Brain

Papers

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

Total Papers

28,250

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22

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Research Volume

13,405 papers in 12 months (-22% vs prior quarter)

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

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6,245 papers found

Scattering wave packets of hadrons in gauge theories: Preparation on a quantum computer

Z. Davoudi, Chung-Chun Hsieh, Saurabh V. Kadam·Feb 1, 2024

Quantum simulation holds promise of enabling a complete description of high-energy scattering processes rooted in gauge theories of the Standard Model. A first step in such simulations is preparation of interacting hadronic wave packets. To create th...

PhysicsComputer Science

Enhanced observable estimation through classical optimization of informationally overcomplete measurement data: Beyond classical shadows

Joonas Malmi, Keijo Korhonen, Daniel Cavalcanti +1 more·Jan 31, 2024

In recent years, informationally complete measurements have attracted considerable attention, especially in the context of classical shadows. In the particular case of informationally over-complete measurements, for which the number of possible outco...

Physics

In Situ‐Tunable Spin–Spin Interactions in a Penning Trap with In‐Bore Optomechanics

Joseph H. Pham, Julian Y. Z. Jee, A. Rischka +2 more·Jan 31, 2024

Experimental implementations of quantum simulation must balance control‐field‐induced decoherence with the controllability of the quantum system. The ratio of coherent interaction strength to decoherence induced by stimulated emission in atomic syste...

Physics

Enhancing Grover’s search algorithm: a modified approach to increase the probability of good states

Ismael Abdulrahman·Jan 31, 2024

This article introduces an enhancement to the Grover search algorithm to speed up computing the probability of finding good states. It suggests incorporating a rotation phase angle determined mathematically from the derivative of the model during the...

PhysicsComputer Science

Quantum Time Dynamics Mediated by the Yang-Baxter Equation and Artificial Neural Networks.

Sahil Gulania, Yuri Alexeev, Stephen K. Gray +2 more·Jan 30, 2024

Quantum computing shows great potential, but errors pose a significant challenge. This study explores new strategies for mitigating quantum errors using artificial neural networks (ANNs) and the Yang-Baxter equation (YBE). Unlike traditional error mi...

PhysicsComputer ScienceMedicine

Realization of fractional quantum Hall state with interacting photons

Can Wang, Feng-Ming Liu, Ming-Cheng Chen +10 more·Jan 30, 2024

Fractional quantum Hall (FQH) states are known for their robust topological order and possess properties that are appealing for applications in fault-tolerant quantum computing. An engineered quantum platform would provide opportunities to operate FQ...

PhysicsMedicine

Toward quantum simulation of non-Markovian open quantum dynamics: A universal and compact theory

Xiang Li, S. Lyu, Yao Wang +3 more·Jan 30, 2024

Non-Markovianity, the intricate dependence of an open quantum system on its temporal evolution history, holds tremendous implications across various scientific disciplines. However, accurately characterizing the complex non-Markovian effects has pose...

Physics

Quantum Circuit Reconstruction from Power Side-Channel Attacks on Quantum Computer Controllers

Ferhat Erata, Chuan Xu, R. Piskac +1 more·Jan 29, 2024

The interest in quantum computing has grown rapidly in recent years, and with it grows the importance of securing quantum circuits. A novel type of threat to quantum circuits that dedicated attackers could launch are power trace attacks. To address t...

Computer Science

Feedback-based quantum algorithm inspired by counterdiabatic driving

Rajesh K. Malla, Hiroki Sukeno, Hongye Yu +3 more·Jan 27, 2024

In recent quantum algorithmic developments, a feedback-based approach has shown promise for preparing quantum many-body system ground states and solving combinatorial optimization problems. This method utilizes quantum Lyapunov control to iteratively...

Physics

Variational Quantum Algorithms for the Allocation of Resources in a Cloud/Edge Architecture

C. Mastroianni, Francesco Plastina, J. Settino +1 more·Jan 25, 2024

Modern cloud/edge architectures need to orchestrate multiple layers of heterogeneous computing nodes, including pervasive sensors/actuators, distributed edge/fog nodes, centralized data centers, and quantum devices. The optimal assignment and schedul...

Physics

Variational Quantum Eigensolvers with Quantum Gaussian Filters for Solving ground-state problems in quantum many-body Systems

Yihao Liu, Min-Quan He, Z. D. Wang·Jan 24, 2024

We present a novel quantum algorithm for approximating the ground-state in quantum many-body systems, particularly suited for Noisy Intermediate-Scale Quantum (NISQ) devices. Our approach integrates Variational Quantum Eigensolvers (VQE) with Quantum...

Physics

Local Hamiltonian decomposition and classical simulation of parametrized quantum circuits

Bibhas Adhikari, Aryan Jha·Jan 24, 2024

In this paper we develop a classical algorithm of complexity $O(K \, 2^n)$ to simulate parametrized quantum circuits (PQCs) of $n$ qubits, where $K$ is the total number of one-qubit and two-qubit control gates. The algorithm is developed by finding $...

Computer SciencePhysics

Lossy Compression for Schr\"odinger-style Quantum Simulations

Noah Huffman, Dmitri S. Pavlichin, T. Weissman·Jan 20, 2024

Simulating quantum circuits on classical hardware is a powerful and necessary tool for developing and testing quantum algorithms and hardware as well as evaluating claims of quantum supremacy in the Noisy Intermediate-Scale Quantum (NISQ) regime. Sch...

Physics

A multiple-circuit approach to quantum resource reduction with application to the quantum lattice Boltzmann method

Melody Lee, Zhixin Song, Sriharsha Kocherla +3 more·Jan 20, 2024

This work proposes a multi-circuit quantum lattice Boltzmann method (QLBM) algorithm that leverages parallel quantum computing to reduce quantum resource requirements. Computational fluid dynamics (CFD) simulations often entail a large computational ...

Computer SciencePhysics

Trade-offs between classical and quantum space using spooky pebbling

Arend-Jan Quist, Alfons Laarman·Jan 19, 2024

Pebble games are used to study space/time trade-offs. Recently, spooky pebble games were introduced to study classical space / quantum space / time trade-offs for simulation of classical circuits on quantum computers. In this paper, the spooky pebble...

Quantum Physicscs.LO

Logical Noise Bias in Magic State Injection

Nicholas Fazio, Robin Harper, Stephen D. Bartlett·Jan 19, 2024

Fault-tolerant architectures aim to reduce the noise of a quantum computation. Despite such architectures being well studied a detailed understanding of how noise is transformed in a fault-tolerant primitive such as magic state injection is currently...

Computer SciencePhysics

Reconfigurable Intelligent Surface (RIS)-Assisted Entanglement Distribution in FSO Quantum Networks

Mahdi Chehimi, M. Elhattab, Walid Saad +4 more·Jan 19, 2024

Quantum networks (QNs) relying on free-space optical (FSO) quantum channels can support quantum applications in environments wherein establishing an optical fiber infrastructure is challenging and costly. However, FSO-based QNs require a clear line-o...

Computer SciencePhysics

Digital-Analog Quantum Computing and Algorithms

Ana Martin·Jan 19, 2024

This Thesis delves into the development and implementation of quantum algorithms using the digital-analog quantum computing (DAQC) paradigm. It provides a comparative analysis of the performance of DAQC versus traditional digital approaches, particul...

Physics

QUASIM: Quantum Computing Enhanced Service Ecosystem for Simulation in Manufacturing

Wolfgang Maass, Ankit Agrawal, Alessandro Ciani +14 more·Jan 19, 2024

Quantum computing (QC) and machine learning (ML), taken individually or combined into quantum-assisted ML (QML), are ascending computing paradigms whose calculations come with huge potential for speedup, increase in precision, and resource reductions...

Computer SciencePhysicsEngineering

Thresholds for the distributed surface code in the presence of memory decoherence

Sébastian de Bone, Paul Möller, Conor E. Bradley +2 more·Jan 19, 2024

In the search for scalable, fault-tolerant quantum computing, distributed quantum computers are promising candidates. These systems can be realized in large-scale quantum networks or condensed onto a single chip with closely situated nodes. We presen...

Physics
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