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Hole doping and electronic correlations in Cr-substituted BaFe$_{2}$As$_{2}$

Autor: Cantarino, Marli R., Pakuszewski, K. R., Salzmann, Björn, Moya, Pedro H. A., Neto, Wagner R. da Silva, Freitas, G. S., Pagliuso, P. G., Adriano, C., Brito, Walber H., Garcia, Fernando A.

Superconductivity (SC) is absent in Cr-substituted BaFe$_{2}$As$_{2}$ (CrBFA), a well-established but poorly understood topic. Additionally, the suppression of the spin density wave transition temperature ($T_{\text{SDW}}$) in CrBFA and Mn-substitute

Externí odkaz: http://arxiv.org/abs/2312.09014

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Rethinking the Evaluating Framework for Natural Language Understanding in AI Systems: Language Acquisition as a Core for Future Metrics

Autor: Vera, Patricio, Moya, Pedro, Barraza, Lisa

In the burgeoning field of artificial intelligence (AI), the unprecedented progress of large language models (LLMs) in natural language processing (NLP) offers an opportunity to revisit the entire approach of traditional metrics of machine intelligen

Externí odkaz: http://arxiv.org/abs/2309.11981

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Incoherent electronic band states in Mn-substituted BaFe$_{2}$As$_{2}$

Autor: Cantarino, Marli R., Pakuszewski, Kevin R., Salzmann, Björn, Moya, Pedro H. A., Neto, Wagner R. da Silva, Freitas, Gabriel S., Pagliuso, P. G., Brito, Walber H., Monney, Claude, Adriano, C., Garcia, Fernando A.

Chemical substitution is commonly used to explore new ground states in materials, yet the role of disorder is often overlooked. In Mn-substituted BaFe$_{2}$As$_{2}$ (MnBFA), superconductivity (SC) is absent, despite being observed for nominal hole-do

Externí odkaz: http://arxiv.org/abs/2307.12879

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