81 citations · 83 across the 2 of their papers we have counts for
8 papers
Zamba2-VL Technical Report
Hassan Shapourian, Kasra Hejazi, Olabode M. Sule +1
We present Zamba2-VL, a suite of vision-language models built on Zamba2, a hybrid language-model architecture combining Mamba2 state-space layers with a small number of shared tran…
ZAYA1-VL-8B Technical Report
Hassan Shapourian, Kasra Hejazi, Olabode M. Sule +1
We present ZAYA1-VL-8B, a compact mixture-of-experts vision-language model built upon our in-house language model, ZAYA1-8B. Despite its compact size, ZAYA1-VL achieves performance…
Hybrid Wannier Chern bands in magic angle twisted bilayer graphene and the quantized anomalous Hall effect
Kasra Hejazi, Xiao Chen, Leon Balents
We propose a method for studying the strong interaction regimes in twisted bilayer graphene using hybrid Wannier functions, that are Wannier-like in one direction and Bloch-like in…
Moiré magnets
Kasra Hejazi, Zhu-Xi Luo, Leon Balents
We introduce a general framework to study moiré structures of two-dimensional Van der Waals magnets using continuum field theory. The formalism eliminates quasiperiodicity and allo…
Landau levels in twisted bilayer graphene and semiclassical orbits
Kasra Hejazi, Chunxiao Liu, Leon Balents
Twisted bilayer graphene has been argued theoretically to host exceptionally flat bands when the angle between the two layers falls within a magic range near 1.1. This is n…
Floquet spin and spin-orbital Hamiltonians and doublon-holon generations in periodically driven Mott insulators
Kasra Hejazi, Jianpeng Liu, Leon Balents
We consider Mott insulators driven by periodic coherent laser radiation, using both single orbital and multi-orbital models, noting that the latter is of more interest in solid sta…