Decoherence and the quantum to classical transition

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Over the past decade, decoherence has emerged as a prominent term in various scientific fields, from quantum physics to nanoengineering. It is seen as a solution to foundational issues in quantum mechanics and as a significant barrier to advancements like quantum computing. Despite being directly observed in experiments, decoherence is often misunderstood. This topic is rich for exploration, addressing philosophical questions and practical challenges in experimental and engineering contexts. The book aims to introduce readers to the multifaceted nature of decoherence in an accessible way, particularly focusing on its role in the quantum-to-classical transition, which explains how the classical characteristics of the macroscopic world arise from quantum foundations. The content is designed to familiarize readers with both theoretical and experimental aspects of decoherence, balancing conceptual ideas with formal mathematical details. Ultimately, the book seeks to provide a clear understanding of decoherence as a fundamental quantum phenomenon and highlight the importance of accurately interpreting its implications and achievements.