A retrieval-augmented transformer with learned reference tokens shows marginal average MSE improvement over strong baselines on six time series benchmarks.
Superconductivity with high upper critical field in Ta-Hf Alloys
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abstract
High upper-critical field superconducting alloys are required for superconducting device applications. In this study, we extensively characterized the structure and superconducting properties of alloys Ta$_{x}$ Hf$_{1-x}$ (x = 0.2, 0.4, 0.5, 0.6 and 0.8). The substitution of Hf (T$_{C}$ = 0.12 K, type-I superconductor) with Ta (T$_{C}$ = 4.4 K, type-I superconductor) shows an anomalous enhancement of T$_{C}$ with variation of composition. Interestingly, all compositions exhibited strongly coupled bulk type-II superconductivity with a high upper critical field. In particular, for compositions x = 0.2, and 0.4, the upper critical field (H$_{C2}$) approached the Pauli limiting field.
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TS-RAG: Retrieval Augmented Generation for Time Series Forecasting
A retrieval-augmented transformer with learned reference tokens shows marginal average MSE improvement over strong baselines on six time series benchmarks.