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Non-equilibrium Dynamics of One-Dimensional Bose Gases
Tim Langen
出版Springer, 2015-05-22
主題Science / Physics / Quantum TheoryScience / Mechanics / ThermodynamicsScience / System TheoryScience / Physics / Mathematical & ComputationalScience / Physics / GeneralLanguage Arts & Disciplines / Library & Information Science / General
ISBN33191856409783319185644
URLhttp://books.google.com.hk/books?id=4HCnCQAAQBAJ&hl=&source=gbs_api
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註釋This work presents a series of experiments with ultracold one-dimensional Bose gases, which establish said gases as an ideal model system for exploring a wide range of non-equilibrium phenomena. With the help of newly developed tools, like full distributions functions and phase correlation functions, the book reveals the emergence of thermal-like transient states, the light-cone-like emergence of thermal correlations and the observation of generalized thermodynamic ensembles. This points to a natural emergence of classical statistical properties from the microscopic unitary quantum evolution, and lays the groundwork for a universal framework of non-equilibrium physics. The thesis investigates a central question that is highly contested in quantum physics: how and to which extent does an isolated quantum many-body system relax? This question arises in many diverse areas of physics, and many of the open problems appear at vastly different energy, time and length scales, ranging from high-energy physics and cosmology to condensed matter and quantum information. A key challenge in attempting to answer this question is the scarcity of quantum many-body systems that are both well isolated from the environment and accessible for experimental study.