Quantum Brain

Papers

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

Total Papers

27,980

This Month

1,396

Today

0

Research Volume

13,222 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

6,185 papers found

Computing band gaps of periodic materials via sample-based quantum diagonalization

Alan Duriez, Pamela C. Carvalho, Marco Antonio Barroca +7 more·Mar 13, 2025

A key objective of computational solid state physics is to predict electronic properties of periodic materials. However, electronic structure simulations based on density functional theory fail to predict experimental results if correlations are not ...

Quantum Physics

Distilled remote entanglement between superconducting qubits across optical channels

Nicolas Dirnegger, Moein Malekakhlagh, Vikesh Siddhu +5 more·Mar 13, 2025

A promising quantum computing architecture comprises modules of superconducting quantum processors linked via optical channels using quantum transducers. As quantum transducer hardware improves, a need has arisen to understand the quantitative relati...

Quantum Physics

Quantum teleportation between simulated binary black holes

Aiden Daniel, Tanmay Bhore, Jiannis K. Pachos +2 more·Mar 13, 2025

The quantum description of a black hole predicts that quantum information hidden behind the event horizon can be teleported outside almost instantaneously. In this work, we demonstrate that a chiral spin-chain model, which naturally simulates a binar...

cond-mat.str-elgr-qcQuantum Physics

Approximation Methods for Simulation and Equivalence Checking of Noisy Quantum Circuits

Mingyu Huang, Ji Guan, Wang Fang +1 more·Mar 13, 2025

In the current NISQ (Noisy Intermediate-Scale Quantum) era, simulating and verifying noisy quantum circuits is crucial but faces challenges such as quantum state explosion and complex noise representations, constraining simulation and equivalence che...

Quantum Physics

A useful metric for the NISQ era: Qubit error probability and its role in zero noise extrapolation

Nahual Sobrino, Unai Aseginolaza, J. Jornet-Somoza +1 more·Mar 13, 2025

Accurate assessment and management of errors is indispensable for extracting useful results from noisy intermediate-scale quantum devices. In this work, we propose the qubit error probability (QEP), a device specific metric that combines relaxation, ...

Physics

Simulating charging characteristics of lithium iron phosphate by electro-ionic optimization on a quantum annealer

Tobias Binninger, Yin-Ying Ting, Konstantin Köster +4 more·Mar 13, 2025

The rapid evolution of quantum computing hardware opens up new avenues in the simulation of energy materials. Today's quantum annealers are able to tackle complex combinatorial optimization problems. A formidable challenge of this type is posed by ma...

Physics

Quantum-Chiplet: A Novel Python-Based Efficient and Scalable Design Methodology for Quantum Circuit Verification and Implementation

Yu-Ting Kao, Hao-Yu Lu, Yeong-Jar Chang +1 more·Mar 13, 2025

Analysis and verification of quantum circuits are highly challenging, given the exponential dependence of the number of states on the number of qubits. For analytical derivation, we propose a new quantum polynomial representation (QPR) to facilitate ...

Physics

Performance of the spin qubit shuttling architecture for a surface code implementation

Berat Yenilen, Arnau Sala, H. Bluhm +2 more·Mar 13, 2025

Qubit shuttling promises to advance some quantum computing platforms to the qubit register sizes needed for effective quantum error correction (QEC), but also introduces additional errors whose impact must be evaluated. The established method to inve...

Physics

Quantum switches for single-photon routing and entanglement generation in waveguide-based networks

Juan Cumbrado, R. Puebla·Mar 13, 2025

The interconnection of quantum nodes holds great promise for scaling up quantum computing units and enabling information processing across long-distance quantum registers. Such quantum networks can be realized using superconducting qubits linked by w...

Physics

Finding Hidden Numbers with Majorana-based Topological Quantum Algorithms: Simulation of the Bernstein-Vazirani Algorithm

Jasmin Bedow, D. Morr·Mar 13, 2025

Executing quantum algorithms using Majorana zero modes - a major milestone for the field of topological quantum computing - requires a platform that can be scaled to large quantum registers, can be controlled in real time and space, and a braiding pr...

Physics

Experimental Factoring Integers Using Fixed-Point-QAOA with a Trapped-Ion Quantum Processor

I. Zalivako, A. Chernyavskiy, Anastasiia S. Nikolaeva +10 more·Mar 13, 2025

Abstract Factoring integers is considered as a computationally hard problem for classical methods, whereas there exists polynomial-time Shor’s quantum algorithm for solving this task. However, requirements for running Shor’s algorithm for realistic t...

Physics

Scaling active spaces in simulations of surface reactions through sample-based quantum diagonalization

M. A. Barroca, Tanvi P. Gujarati, Vidushi Sharma +6 more·Mar 13, 2025

Quantum-chemical simulations are essential for predicting energies of chemical reactions. Accurately solving the many-body Schr\"odinger equation for reagent and product states of most relevant chemical process is, however, unfeasible. Quantum comput...

Physics

Efficient spectrum analysis for multi-junction superconducting circuit

A. Tomonaga, H. Mukai, K. Mizuno +1 more·Mar 13, 2025

The extraction of transition frequencies from a spectrum has conventionally relied on empirical methods, and particularly in complex systems, it is a time-consuming and cumbersome process. To address this challenge, we establish a semi-automated effi...

Physics

Quantum Error Detection For Early Term Fault-Tolerant Quantum Algorithms

Tom Ginsberg, Vyom Patel·Mar 13, 2025

Quantum error detection (QED) offers a promising pathway to fault tolerance in near-term quantum devices by balancing error suppression with minimal resource overhead. However, its practical utility hinges on optimizing design parameters-such as synd...

PhysicsComputer ScienceMathematics

Distributed quantum algorithm for divergence estimation and beyond

Honglin Chen, Wei Xie, Yingqi Yu +2 more·Mar 12, 2025

With the rapid advancement of quantum information technology, designing efficient distributed quantum algorithms to perform various information processing tasks remains challenging. In this paper, we consider a distributed scenario where two parties,...

Physics

Simulation of Two-Qubit Grover Algorithm in MBQC with Universal Blind Quantum Computation

Youngkyung Lee, Doyoung Chung·Mar 12, 2025

The advancement of quantum computing technology has led to the emergence of early-stage quantum cloud computing services. To fully realize the potential of quantum cloud computing, it is essential to develop techniques that ensure the privacy of both...

PhysicsComputer Science

Quantum Computing and Cybersecurity Education: A Novel Curriculum for Enhancing Graduate STEM Learning

S. Upadhyay, Koustubh Phalak, Jungeun Lee +2 more·Mar 12, 2025

Quantum computing is an emerging paradigm with the potential to transform numerous application areas by addressing problems considered intractable in the classical domain. However, its integration into cyberspace introduces significant security and p...

Computer SciencePhysics

Variational preparation of normal matrix product states on quantum computers

Ben Jaderberg, George Pennington, Kate V. Marshall +6 more·Mar 12, 2025

Preparing matrix product states (MPSs) on quantum computers is an essential routine in the simulation of many-body physics. However, widely-used schemes based on staircase circuits are often too deep to execute on current hardware. Here we demonstrat...

Physics

A Short Scalability Study on the SeQUeNCe Parallel Quantum Network Simulator

Aaron Welch, Mariam Kiran·Mar 12, 2025

As quantum networking continues to grow in importance, its study is of interest to an ever wider community and at an increasing scale. However, the development of its physical infrastructure remains burdensome, and services providing third party acce...

Computer SciencePhysics

Trotter error mitigation by error profiling with shallow quantum circuit

Sang-Jun Lee, Youngseok Kim, Seung-woo Lee·Mar 12, 2025

Understanding the dynamics of quantum systems is crucial in many areas of physics, but simulating many-body systems presents significant challenges due to the large Hilbert space to navigate and the exponential growth of computational overhead. Quant...

Physics
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