双场典型希格斯模型和沼泽

IF 1.4 4区综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES

Iranian Journal of Science and Technology, Transactions A: Science Pub Date : 2025-02-05 DOI:10.1007/s40995-025-01777-2

Mehdi Es-haghi, Moslem Zarei, Ahmad Sheykhi

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引用次数: 0

摘要

我们研究了一个双场模型，其中具有指数势\(e^{-\beta \phi /M_P}\)的精粹场与希格斯场耦合。该模型与沼泽猜想是一致的。我们通过计算暴胀观测值来验证这一说法。虽然，这些观测值与最新的CMB数据非常吻合，但我们发现了一个上限\(\beta\, \lesssim\, 8\times 10^{-3}\)，这对沼泽猜想非常不利。

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Two-Field Quintessential Higgs Model and the Swampland

We study a two-field model where a quintessence field with an exponential potential \(e^{-\beta \phi /M_P}\) is coupled to the Higgs field. It is claimed that this model is consistent with the proposed Swampland conjecture. We check this claim by calculating its inflationary observables. Although, these observables are in good agreement with the latest CMB data, but we find an upper bound \(\beta\, \lesssim\, 8\times 10^{-3}\) that strongly disfavors the Swampland conjecture.

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来源期刊

Iranian Journal of Science and Technology, Transactions A: Science MULTIDISCIPLINARY SCIENCES-

CiteScore

4.00

自引率

5.90%

发文量

122

审稿时长

>12 weeks

期刊介绍： The aim of this journal is to foster the growth of scientific research among Iranian scientists and to provide a medium which brings the fruits of their research to the attention of the world’s scientific community. The journal publishes original research findings – which may be theoretical, experimental or both - reviews, techniques, and comments spanning all subjects in the field of basic sciences, including Physics, Chemistry, Mathematics, Statistics, Biology and Earth Sciences