Quantum Updates
Latest developments from quantum computing platforms and research institutions
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3 papers found
From VQE to QEP: why explicit dynamics can help
Smith, J., Johnson, M., Williams, K.•2025-08-21•IBM Research
IBM QuantumarXiv:2508.12345
TL;DR
Introduces Quantum Equilibrium Propagation (QEP) as an evolution of Variational Quantum Eigensolver (VQE), showing how explicit quantum dynamics can improve optimization convergence and reduce noise sensitivity.
127
Qubits
99.1%
Fidelity
0.05%
Error Rate
2500
Gates
Quantum AlgorithmsVQENISQOptimization
Scalable Quantum Error Correction with Surface Codes
Chen, L., Brown, A., Davis, R. et al.•2025-08-15•Google Quantum AI
Google QuantumarXiv:2508.12346
TL;DR
Demonstrates a breakthrough in surface code implementation achieving sub-threshold error rates on a 1000+ qubit quantum processor, paving the way for fault-tolerant quantum computing.
1920
Qubits
99.8%
Fidelity
0.001%
Error Rate
50000
Gates
Error CorrectionSurface CodesFault Tolerance
Quantum Machine Learning on NISQ Devices: A Practical Guide
Garcia, M., Thompson, S.•2025-08-10•MIT
Amazon BraketarXiv:2508.12347
TL;DR
Comprehensive analysis of quantum machine learning algorithms on current NISQ hardware, identifying optimal circuit depths, noise mitigation strategies, and practical applications.
50
Qubits
98.5%
Fidelity
0.1%
Error Rate
1000
Gates
Quantum MLNISQMachine Learning
Platform Overview
IBM Quantum
Qubits1000+
Papers127
ActiveGoogle Quantum
Qubits1920
Papers89
ActiveAmazon Braket
Qubits100+
Papers156
ActiveMicrosoft Azure
Qubits200+
Papers78
ActiveIonQ
Qubits64
Papers45
Active