Emergent states in photoinduced charge-density-wave transitions / Alfred Zong.
2021
QC175.16.P5 Z66 2021
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Title
Emergent states in photoinduced charge-density-wave transitions / Alfred Zong.
Author
Zong, Alfred, author.
ISBN
9783030817510 (electronic bk.)
3030817512 (electronic bk.)
9783030817503
3030817504
3030817512 (electronic bk.)
9783030817503
3030817504
Published
Cham : Springer, [2021]
Copyright
©2021
Language
English
Description
1 online resource : illustrations (chiefly color)
Item Number
10.1007/978-3-030-81751-0 doi
Call Number
QC175.16.P5 Z66 2021
Dewey Decimal Classification
530.4/74
Summary
This book advances understanding of light-induced phase transitions and nonequilibrium orders that occur in a broken-symmetry system. Upon excitation with an intense laser pulse, materials can undergo a nonthermal transition through pathways different from those in equilibrium. The mechanism underlying these photoinduced phase transitions has long been researched, but many details in this ultrafast, non-adiabatic regime still remain to be clarified. The work in this book reveals new insights into this phenomena via investigation of photoinduced melting and recovery of charge density waves (CDWs). Using several time-resolved diffraction and spectroscopic techniques, the author shows that the light-induced melting of a CDW is characterized by dynamical slowing-down, while the restoration of the symmetry-breaking order features two distinct timescales: A fast recovery of the CDW amplitude is followed by a slower re-establishment of phase coherence, the latter of which is dictated by the presence of topological defects in the CDW. Furthermore, after the suppression of the original CDW by photoexcitation, a different, competing CDW transiently emerges, illustrating how a hidden order in equilibrium can be unleashed by a laser pulse. These insights into CDW systems may be carried over to other broken-symmetry states, such as superconductivity and magnetic ordering, bringing us one step closer towards manipulating phases of matter using a laser pulse.
Note
"Doctoral thesis accepted by Massachusetts Institute of Technology, MA, USA."
Bibliography, etc. Note
Includes bibliographical references.
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Access limited to authorized users.
Source of Description
Online resource; title from PDF title page (SpringerLink, viewed September 27, 2021).
Series
Springer theses. 2190-5061
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Emergent states in photoinduced charge-density-wave transitions.
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Table of Contents
Chapter 1. Ultrafast Sciences in Quantum Materials
Chapter 2. Charge Density Waves
Chapter 3. Ultrafast Electron Diffraction
Chapter 4. Dynamics of Complex Order Parameter after Photoexcitation
Chapter 5. Dynamical Slowing-Down in an Ultrafast Transition
Chapter 6. Light-Induced Charge Density Wave in LaTe3
Chapter 7. Phase Competition Out of Equilibrium
Chapter 8. Ultrafast Manipulation of Mirror Domains in 1T-TaS2.
Chapter 2. Charge Density Waves
Chapter 3. Ultrafast Electron Diffraction
Chapter 4. Dynamics of Complex Order Parameter after Photoexcitation
Chapter 5. Dynamical Slowing-Down in an Ultrafast Transition
Chapter 6. Light-Induced Charge Density Wave in LaTe3
Chapter 7. Phase Competition Out of Equilibrium
Chapter 8. Ultrafast Manipulation of Mirror Domains in 1T-TaS2.