MSNav integrates dynamic map pruning, fine-tuned spatial reasoning (Qwen-Sp), and GPT-4o planning to improve zero-shot vision-and-language navigation on R2R and REVERIE.
Quantum transport observed in films of magnetic topological semimetal EuSb$_2$
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abstract
We report fabrication of EuSb$_2$ single-crystalline films and investigation of their quantum transport. First-principles calculations demonstrate that EuSb$_2$ is a magnetic topological nodal-line semimetal protected by nonsymmorphic symmetry. Observed Shubnikov-de Haas oscillations with multiple frequency components exhibit small effective masses and two-dimensional field-angle dependence even in a 250 nm thick film, further suggesting possible contributions of surface states. This finding of the high-mobility magnetic topological semimetal will trigger further investigation of exotic quantum transport phenomena by controlling magnetic order in topological semimetal films.
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cs.CV 1years
2025 1verdicts
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MSNav: Zero-Shot Vision-and-Language Navigation with Dynamic Memory and LLM Spatial Reasoning
MSNav integrates dynamic map pruning, fine-tuned spatial reasoning (Qwen-Sp), and GPT-4o planning to improve zero-shot vision-and-language navigation on R2R and REVERIE.