Add ArXiv paper link

README.md

@@ -9,7 +9,7 @@ license: mit
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 <a href="https://github.com/atomicarchitects/equiformer_v3" style="color: #1a73e8; font-weight: bold; font-size: 20px;">Code</a> | 
-<a href="https://github.com/atomicarchitects/equiformer_v3/blob/main/experimental/docs/equiformer_v3_paper.pdf" style="color: #1a73e8; font-weight: bold; font-size: 20px;">Paper</a>
+<a href="https://arxiv.org/abs/2604.09130" style="color: #1a73e8; font-weight: bold; font-size: 20px;">Paper</a>
 
 This repository contains the checkpoints of the work "EquiformerV3: Scaling Efficient, Expressive, and General SE(3)-Equivariant Graph Attention Transformers".
 Please refer to the [code](https://github.com/atomicarchitects/equiformer_v3) for detailed description of usage.