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Emergent States in Photoinduced Charge-Density-Wave Transitions

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Emergent States in Photoinduced Charge-Density-Wave Transitions/ by Alfred Zong.
作者:	Zong, Alfred.
面頁冊數:	XXIV, 216 p. 102 illus., 100 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Optical and Electronic Materials. -
電子資源:	https://doi.org/10.1007/978-3-030-81751-0
ISBN:	9783030817510

Emergent States in Photoinduced Charge-Density-Wave Transitions
Zong, Alfred.

Emergent States in Photoinduced Charge-Density-Wave Transitions[electronic resource] /by Alfred Zong. - 1st ed. 2021. - XXIV, 216 p. 102 illus., 100 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5061. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

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.

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.

ISBN: 9783030817510

Standard No.: 10.1007/978-3-030-81751-0doiSubjects--Topical Terms:

593919
Optical and Electronic Materials.

LC Class. No.: QC173.45-173.458

Dewey Class. No.: 530.41

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