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Fluctuating Orders in Strongly Corre...

Liu, Tianyi,

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Fluctuating Orders in Strongly Correlated Systems: A Computational Study /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Fluctuating Orders in Strongly Correlated Systems: A Computational Study // Tianyi Liu.
Author:	Liu, Tianyi,
Description:	1 electronic resource (132 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
Contained By:	Dissertations Abstracts International85-06B.
Subject:	Crystal structure. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30726913
ISBN:	9798381022582

Fluctuating Orders in Strongly Correlated Systems: A Computational Study /
Liu, Tianyi,

Fluctuating Orders in Strongly Correlated Systems: A Computational Study /Tianyi Liu. - 1 electronic resource (132 pages)

Source: Dissertations Abstracts International, Volume: 85-06, Section: B.

Strongly correlated electronic systems are at the forefront of research in materials and condensed matter physics, because of their many exotic properties and potential applications. Cuprate high temperature superconductors are the quintessential strongly correlated materials, characterized by an unconventional superconducting phase, the mechanism of which is still unclear, and an equally enigmatic normal state with many poorly understood properties, such as intertwined orders, spectroscopic pseudogap, and strange metallicity. In this thesis, I will present theoretical studies on fluctuating intertwined orders by investigating the Hubbard model, which is the canonical model Hamiltonian for describing electron dynamics in cuprates. First, I discuss tendencies of electronic nematicity in the Hubbard model and compare it with electronic Raman scattering in cuprates. The results show an enhancement of electronic nematicity, consistent with experimental observations, and suggest the capability of the Hubbard model to capture ordering tendencies relevant in cuprates. Next, I discuss fluctuating charge- and spin-density waves in the Hubbard model. Calculations show that robust fluctuating charge and spin orders are present in a wide parameter regime in the strange metal phase, consistent with recent experiments. The results point to the importance of fluctuating orders to all electronic properties of cuprates, as opposed to just the pseudogap regime as previously believed. Finally, I summarize the findings presented in this thesis and briefly survey the outlook for theoretical studies on fluctuating intertwined orders relevant for cuprates.

English

ISBN: 9798381022582Subjects--Topical Terms:

3561040
Crystal structure.

Fluctuating Orders in Strongly Correlated Systems: A Computational Study /
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245 1 0 $a Fluctuating Orders in Strongly Correlated Systems: A Computational Study / $c Tianyi Liu.
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300 $a 1 electronic resource (132 pages)
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500 $a Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
500 $a Advisors: Devereaux, Thomas; Martinez, Todd Committee members: Markland, Thomas; Bent, Stacey F.
502 $b Ph.D. $c Stanford University $d 2023.
520 $a Strongly correlated electronic systems are at the forefront of research in materials and condensed matter physics, because of their many exotic properties and potential applications. Cuprate high temperature superconductors are the quintessential strongly correlated materials, characterized by an unconventional superconducting phase, the mechanism of which is still unclear, and an equally enigmatic normal state with many poorly understood properties, such as intertwined orders, spectroscopic pseudogap, and strange metallicity. In this thesis, I will present theoretical studies on fluctuating intertwined orders by investigating the Hubbard model, which is the canonical model Hamiltonian for describing electron dynamics in cuprates. First, I discuss tendencies of electronic nematicity in the Hubbard model and compare it with electronic Raman scattering in cuprates. The results show an enhancement of electronic nematicity, consistent with experimental observations, and suggest the capability of the Hubbard model to capture ordering tendencies relevant in cuprates. Next, I discuss fluctuating charge- and spin-density waves in the Hubbard model. Calculations show that robust fluctuating charge and spin orders are present in a wide parameter regime in the strange metal phase, consistent with recent experiments. The results point to the importance of fluctuating orders to all electronic properties of cuprates, as opposed to just the pseudogap regime as previously believed. Finally, I summarize the findings presented in this thesis and briefly survey the outlook for theoretical studies on fluctuating intertwined orders relevant for cuprates.
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650 4 $a Physics. $3 516296
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650 4 $a Symmetry. $3 536815
650 4 $a Chemistry. $3 516420
650 4 $a Copper. $3 1070053
650 4 $a Energy. $3 876794
650 4 $a Atomic physics. $3 3173870
650 4 $a Low temperature physics. $3 3173917
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710 2 $a Stanford University. $e degree granting institution. $3 3765820
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