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Heavy Heisenberg Algebras, Zero Modes and Modularity
Abstract
It is known due to a result of Miyamoto that zero mode correlators of weight $1$ vectors of vertex operator algebras are quasi-modular forms, and that their generating series are Jacobi forms. In this article we generalize this to higher weight vectors. We consider weight 2 vectors that generate what we call heavy Heisenberg algebras. We prove that their zero mode correlators are a specific type of quasi-modular forms. As a consequence, they too can be summed up into a generating series with Jacobi-like modular transformation properties. As an application of our results, we sketch an argument that gives the asymptotic behavior of the dimensions of states of our VOAs.
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BibTeX
@misc{addabbo2026heavy,
title = {{Heavy Heisenberg Algebras, Zero Modes and Modularity}},
author = {Darlayne Addabbo and Christoph A. Keller},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.35749},
eprint = {2610.35749},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.35749},
}
RIS
TY - UNPB
TI - Heavy Heisenberg Algebras, Zero Modes and Modularity
AU - Darlayne Addabbo
AU - Christoph A. Keller
PY - 2026
DA - 2026/10/26
PB - arXiv
DO - 10.48550/arxiv.2610.35749
UR - https://arxiv.org/abs/2610.35749
AB - It is known due to a result of Miyamoto that zero mode correlators of weight $1$ vectors of vertex operator algebras are quasi-modular forms, and that their generating series are Jacobi forms. In this article we generalize this to higher weight vectors. We consider weight 2 vectors that generate what we call heavy Heisenberg algebras. We prove that their zero mode correlators are a specific type of quasi-modular forms. As a consequence, they too can be summed up into a generating series with Jacobi-like modular transformation properties. As an application of our results, we sketch an argument that gives the asymptotic behavior of the dimensions of states of our VOAs.
ER -