Workflow
超导量子处理器
icon
Search documents
Rigetti Computing, Inc. (RGTI): A Bear Case Theory
Yahoo Finance· 2025-12-18 15:40
We came across a bearish thesis on Rigetti Computing, Inc. on wallstreetbets subreddit by  dnr41418. In this article, we will summarize the bulls’ thesis on RGTI. Rigetti Computing, Inc.'s share was trading at $23.96 as of December 16th. Jim Cramer Believes CoreWeave (CRWV)'s A Real Company Rigetti Computing, Inc., through its subsidiaries, builds quantum computers and the superconducting quantum processors the United States, the United Kingdom, rest of Europe, Asia, and internationally. RGTI faces signi ...
通过“时间反演”探测量子动态 科学家区分出真实量子效应和经典噪声
Ke Ji Ri Bao· 2025-10-22 23:39
Core Insights - A recent study published in *Nature* reports advancements in detecting quantum dynamics through a "time-reversal" scheme by Google's Quantum AI team and collaborators [1] - The long-term goal of quantum computing is to create machines that achieve quantum advantage, surpassing classical computers in specific practical tasks [1] Group 1: Quantum Computing Advancements - The research addresses challenges in quantum computing, particularly the need to reduce noise and overcome defects to achieve quantum advantage [1] - A significant issue is the detection of quantum dynamics in systems with many components, which can be unpredictable and difficult to track [1] Group 2: Time-Reversal Scheme - The team utilized the "time-reversal" method in a superconducting quantum processor to measure out-of-time-order correlators (OTOC), which are essential for characterizing chaotic behavior in quantum systems [1] - The experiment demonstrated sensitivity to genuine quantum effects over sufficiently long time scales, allowing for substantial sampling of the processor during the propagation and reversal dynamics [1] Group 3: Implications for Future Research - Measuring OTOC can reveal microscopic properties of quantum systems that classical computing cannot access, enhancing the potential for robust demonstrations of quantum advantage in the future [2] - The circuits used in the demonstration are simplified models, but the findings suggest applicability to real physical systems [2]