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강상관계 물질 연구단
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Emergent holographic description for the Kondo effect: Comparison with Bethe ansatz

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Title
Emergent holographic description for the Kondo effect: Comparison with Bethe ansatz
Author(s)
Ki-Seok Kim; Suk Bum Chung; Chanyong Park; Jae-Ho Han
Publication Date
2019-05
Journal
PHYSICAL REVIEW D, v.99, no.10, pp.105012 -
Publisher
AMER PHYSICAL SOC
Abstract
Implementing Wilsonian renormalization group transformations in an iterative way, we develop a nonperturbative field theoretical framework for strongly coupled quantum theories, which takes into account all-loop quantum corrections organized in the 1/N expansion. Here, N represents the flavor number of strongly correlated quantum fields. The resulting classical field theory is given by an effective Landau-Ginzburg theory for a local order parameter field, which appears in one-dimensional higher spacetime. We confirm the nonperturbative nature of this field theoretical framework for the Kondo effect. Intriguingly, we show that the recursive Wilsonian renormalization group method can explain nonperturbative thermodynamic properties of an impurity, consistent with Be the ansatz for the whole temperature region. C.Published by the American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/6531
ISSN
2470-0010
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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