Transverse Goldstone mode in holographic fluids with broken translations

Zhong, Yuan-Yuan; Li, Wei-Jia

doi:10.48550/arxiv.2202.05437

Cited by 2 publications

(2 citation statements)

References 42 publications

(62 reference statements)

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“…Following previous works of 4-dimensional Einstein-Maxwell-axion model with gaugeaxion coupling [34][35][36][37][38], we implement a 3-dimensional holographic effective model with gauge-axion coupling, whose action is…”

Section: Holographic Frameworkmentioning

confidence: 99%

Transport properties of a $3$-dimensional holographic effective theory with gauge-axion coupling

Li,

Wang,

et al. 2022

Preprint

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In this paper, we implement a 3-dimensional holographic effective theory with gauge-axion coupling. The analytical black hole solution is worked out. We investigate the Direct current (DC) thermoelectric conductivities. A novel property is that DC electric conductivity for vanishing gauge-axion coupling is temperature dependent. It is different from that of 4-dimensional axion model whose DC electric conductivity is temperature independent. In addition, the gauge-axion coupling induces a metal insulator transition (MIT) at zero temperature. The properties of other DC thermoelectric conductivities are also discussed. Moreover we find that the Wiedemann-Franz (WF) law is violated in our model.

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Section: Holographic Frameworkmentioning

confidence: 99%

Transport properties of a $3$-dimensional holographic effective theory with gauge-axion coupling

Li,

Wang,

et al. 2022

Preprint

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“…When using effective holographic low energy theories as a guide, it is natural and intriguing to investigate the impact of higher-derivative terms of axion fields (2023) 83:316 [48][49][50][51][52]. Notably, within this holographic effective framework, it is possible to achieve spontaneous symmetry breaking and pseudo-spontaneous breaking [7,13,51,[53][54][55][56].…”

Section: Introductionmentioning

confidence: 99%

Transport properties in the Horndeski holographic two-currents model

Zhang

Wang

et al. 2023

Eur. Phys. J. C

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The transport features of the holographic two-currents model are investigated in the Horndeski gravity framework. This system displays metallic or insulating characteristics depending on whether the Horndeski coupling parameter $$\gamma $$ γ is negative or positive, but is unaffected by other system parameters such as the strength of the momentum dissipation $$\hat{k}$$ k ^ , the doping $$\chi $$ χ and the coupling between two gauge fields $$\theta $$ θ . Secondly, we demonstrate that the thermal conductivities are affected not only by the inherent properties of the black hole, but also by the model parameters. Furthermore, we are particularly interested in the Lorentz ratios’ properties. As expected, the Wiedemann–Franz (WF) law is violated, as it is in the majority of holographic systems. Particularly intriguing is the fact that several Lorentz ratio bounds reported in the typical axions model still remain true in our current theories. We would like to highlight out, however, that the lower bound for $$\hat{\bar{L}}_A$$ L ¯ ^ A is affected by the system parameters $$\chi $$ χ , $$\theta $$ θ and $$\gamma $$ γ , which differs from the case of the typical axions model.

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Transverse Goldstone mode in holographic fluids with broken translations

Cited by 2 publications

References 42 publications

Transport properties of a $3$-dimensional holographic effective theory with gauge-axion coupling

Transport properties of a $3$-dimensional holographic effective theory with gauge-axion coupling

Transport properties in the Horndeski holographic two-currents model

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