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PVF (Parameter Vulnerability Factor): A Scalable Metric for Understanding AI Vulnerability Against SDCs in Model Parameters

Autor: Jiao, Xun, Lin, Fred, Dixit, Harish D., Coburn, Joel, Pandey, Abhinav, Wang, Han, Ramesh, Venkat, Huang, Jianyu, Xu, Wang, Moore, Daniel, Sankar, Sriram

Reliability of AI systems is a fundamental concern for the successful deployment and widespread adoption of AI technologies. Unfortunately, the escalating complexity and heterogeneity of AI hardware systems make them increasingly susceptible to hardw

Externí odkaz: http://arxiv.org/abs/2405.01741

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Nuclear T-violation search using octupole-deformed nuclei in a crystal

Autor: Ramachandran, Harish D., Vutha, Amar C.

Publikováno v: Phys. Rev. A 108, 012819 (2023)

Precision measurements with atoms and molecules can search for subtle violations of time-reversal symmetry (T) in nuclei, and thereby probe a variety of new physics models. We present a detailed scheme for a nuclear T-violation search experiment usin

Externí odkaz: http://arxiv.org/abs/2304.10331

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Coherent quantum beats: spectroscopy of energy differences masked by inhomogeneous broadening

Autor: Ramachandran, Harish D., Ford, Julia E., Vutha, Amar C.

Precision spectroscopy of solid-state systems is challenging due to inhomogeneous broadening. We describe a technique -- coherent quantum beats -- that enables the measurement of small frequency shifts within an inhomogeneously broadened distribution

Externí odkaz: http://arxiv.org/abs/2304.06189

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BaF molecules in neon ice: trapping, spectroscopy and optical control of electron spins

Autor: Li, Samuel J., Ramachandran, Harish D., Anderson, Rhys, Vutha, Amar C.

Publikováno v: New J. Phys. 25, 082001 (2023)

We have trapped BaF molecules in neon ice, and used laser-induced fluorescence spectroscopy to map out optical transitions in the trapped molecules. Our measurements show that the neon lattice does not significantly perturb certain optical transition

Externí odkaz: http://arxiv.org/abs/2207.07279

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