update readme for more refs

Author: refraction-ray

README.md

@@ -350,7 +350,7 @@ Reference paper: https://arxiv.org/abs/2303.08154 (published in PRR as a Letter)
 
 ### TenCirChem
 
-[TenCirChem](https://github.com/tencent-quantum-lab/TenCirChem) is an efficient and versatile quantum computation package for molecular properties. TenCirChem is based on TensorCircuit and is optimized for chemistry applications.
+[TenCirChem](https://github.com/tencent-quantum-lab/TenCirChem) is an efficient and versatile quantum computation package for molecular properties. TenCirChem is based on TensorCircuit and is optimized for chemistry applications. The latest version TenCirChem-NG is open source and available at [TenCirChem-NG](https://github.com/tensorcircuit/TenCirChem-NG).
 
 Reference paper: https://arxiv.org/abs/2303.10825 (published in JCTC).
 
@@ -366,6 +366,12 @@ For the setup and simulation code of neural network encoded variational quantum
 
 Reference paper: https://arxiv.org/abs/2308.01068 (published in PRApplied).
 
+### Effective temperature in approximate ansatzes
+
+For the simulation implementation of quantum states based on neural networks, tensor networs and quantum circuits using TensorCircuit-NG, see the [project repo](https://github.com/sxzgroup/et).
+
+Reference paper: https://arxiv.org/abs/2411.18921.
+
 ### More works
 
 <details>

README_cn.md

@@ -189,6 +189,12 @@ VQEX 在 MBL 相位识别上的应用见 [教程](/docs/source/tutorials/vqex_mb
 
 参考论文: https://arxiv.org/abs/2308.01068。
 
+### 变分多体态的等效温度
+
+关于基于神经网络、张量网络和量子线路的变分量子态的模拟优化和分析，见 [项目](https://github.com/sxzgroup/et).
+
+参考论文: https://arxiv.org/abs/2411.18921.
+
 ## 用户
 
 我们的用户，开发者和合作伙伴：