Occ-LLM tokenizes 4D occupancy with a motion/static separation VAE and uses Llama-2 to forecast occupancy, plan ego motion, and answer scene questions, reporting state-of-the-art results on nuScenes.
Hidden symmetry in interacting-quantum-dot-based multi-terminal Josephson junctions
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abstract
We study a multi-terminal Josephson junction based on an interacting quantum dot coupled to $n$ superconducting BCS leads. Using an Anderson type model of a local level with an arbitrary onsite Coulomb repulsion, we uncover its surprising equivalence with an effective two-terminal junction with symmetric couplings to appropriately phase-biased leads. Regardless of the strength of the Coulomb interaction, this hidden symmetry enables us to apply well-established numerical and theoretical tools for exact evaluation of various physical quantities, and imposes strict relations among them. Focusing on three-terminal devices, we then demonstrate several phenomena such as the existence of the finite energy band crossings, superconducting transistor and diode effects, as well as current phase relation modulation.
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Occ-LLM: Enhancing Autonomous Driving with Occupancy-Based Large Language Models
Occ-LLM tokenizes 4D occupancy with a motion/static separation VAE and uses Llama-2 to forecast occupancy, plan ego motion, and answer scene questions, reporting state-of-the-art results on nuScenes.