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On the nature of charge density wave...

Chen, Chuan.

On the nature of charge density waves, superconductivity and their interplay in 1T-TiSe2

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	On the nature of charge density waves, superconductivity and their interplay in 1T-TiSe2by Chuan Chen.
作者:	Chen, Chuan.
出版者:	Cham :Springer International Publishing :2019.
面頁冊數:	xvi, 105 p. :ill. (some col.), digital ;24 cm.
Contained By:	Springer eBooks
標題:	Charge density waves.
電子資源:	https://doi.org/10.1007/978-3-030-29825-8
ISBN:	9783030298258$q(electronic bk.)

On the nature of charge density waves, superconductivity and their interplay in 1T-TiSe2
Chen, Chuan.

On the nature of charge density waves, superconductivity and their interplay in 1T-TiSe2[electronic resource] /by Chuan Chen. - Cham :Springer International Publishing :2019. - xvi, 105 p. :ill. (some col.), digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Excitonic character of CDWin TiSe2 -- Phenomenological model of coexisting CDWand superconductivity in TiSe2 -- Excitonic CDWfluctuations and superconductivity -- Anomalous quantum metal phase in TiSe2 -- Conclusions -- Appendices.

This thesis presents analytical theoretical studies on the interplay between charge density waves (CDW) and superconductivity (SC) in the actively studied transition-metal dichalcogenide 1T-TiSe2. It begins by reapproaching a years-long debate over the nature of the phase transition to the commensurate CDW (CCDW) state and the role played by the intrinsic tendency towards excitonic condensation in this system. A Ginzburg-Landau phenomenological theory was subsequently developed to understand the experimentally observed transition from commensurate to incommensurate CDW (ICDW) order with doping or pressure, and the emergence of a superconducting dome that coexists with ICDW. Finally, to characterize microscopically the effects of the interplay between CDW and SC, the spectrum of CDW fluctuations beyond mean-field was studied in detail. In the aggregate, the work reported here provides an encompassing understanding of what are possibly key microscopic underpinnings of the CDW and SC physics in TiSe2.

ISBN: 9783030298258$q(electronic bk.)

Standard No.: 10.1007/978-3-030-29825-8doiSubjects--Topical Terms:

557621
Charge density waves.

LC Class. No.: QC176.8.E4 / C446 2019

Dewey Class. No.: 530.41

On the nature of charge density waves, superconductivity and their interplay in 1T-TiSe2
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505 0 $a Introduction -- Excitonic character of CDWin TiSe2 -- Phenomenological model of coexisting CDWand superconductivity in TiSe2 -- Excitonic CDWfluctuations and superconductivity -- Anomalous quantum metal phase in TiSe2 -- Conclusions -- Appendices.
520 $a This thesis presents analytical theoretical studies on the interplay between charge density waves (CDW) and superconductivity (SC) in the actively studied transition-metal dichalcogenide 1T-TiSe2. It begins by reapproaching a years-long debate over the nature of the phase transition to the commensurate CDW (CCDW) state and the role played by the intrinsic tendency towards excitonic condensation in this system. A Ginzburg-Landau phenomenological theory was subsequently developed to understand the experimentally observed transition from commensurate to incommensurate CDW (ICDW) order with doping or pressure, and the emergence of a superconducting dome that coexists with ICDW. Finally, to characterize microscopically the effects of the interplay between CDW and SC, the spectrum of CDW fluctuations beyond mean-field was studied in detail. In the aggregate, the work reported here provides an encompassing understanding of what are possibly key microscopic underpinnings of the CDW and SC physics in TiSe2.
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