Anomalous relaxation in colloidal systems / Avinash Kumar.
Kumar, Avinash, author.
2022
QD549.2.F74
Available Online

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Title Anomalous relaxation in colloidal systems / Avinash Kumar.
Author Kumar, Avinash, author.
ISBN 9783031132803 (electronic bk.)
3031132807 (electronic bk.)
3031132793
9783031132797
DOI https://doi.org/10.1007/978-3-031-13280-3
Published Cham : Springer, [2022]
Copyright ©2022
Language English
Description 1 online resource (xiii, 125 pages) : illustrations (chiefly color).
Item Number 10.1007/978-3-031-13280-3 doi
Call Number QD549.2.F74
Dewey Decimal Classification 541/.345
Summary The thesis presents a systematic study of the Mpemba effect in a colloidal system with a micron-sized particle diffusing in a water bath. While the Mpemba effect, where a systems thermal relaxation time is a non-monotonic function of the initial temperature, has been observed in water since Aristotles era, the underlying mechanism of the effect is still unknown. Recent studies indicate that the effect is not limited to water and has been studied both experimentally and numerically in a wide variety of systems. By carefully designing a double-well potential using feedback-based optical tweezers, the author demonstrates that an initially hot system can sometimes cool faster than an initially warm system. The author also presents the first observation in any system of another counterintuitive effectthe inverse Mpemba effectwhere the colder of the two samples reaches the thermal equilibrium at a hot temperature first. The results for both the observations agree with theoretical predictions based on the Fokker-Planck equation. The experiments reveal that, for carefully chosen conditions, a strong version of both of the effects are observed where a system can relax to the bath temperature exponentially faster than under typical conditions.
Note "Doctoral thesis accepted by Simon Fraser University, Canada."
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Source of Description Description based on print version record.
Series Springer theses.
Available in Other Form ANOMALOUS RELAXATION IN COLLOIDAL SYSTEMS.
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Chapter 1. Introduction
Chapter 2. Particle dynamics
Chapter 3. Optical Feedback traps
Chapter 4. Mpemba effect
Chapter 5. Inverse Mpemba effect
Chapter 6. Higher-order Mpemba effect
Chapter 7. Conclusions.

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