PreprintCC BY 4.0arXiv
Which Adiabatic Cycles Alter an Action Variable?
Abstract
Action variables are adiabatic invariants: their values are preserved during adiabatic time evolutions in completely integrable classical Hamiltonian systems. Nevertheless, an adiabatic cycle can alter how an action variable depends on phase-space variables that are independent of adiabatic parameters. Such a change, which we call action variable holonomy, induces adiabatic torus pumping in phase space. For a family of completely integrable kicked-top systems, a homotopy classification of adiabatic cycles identifies which adiabatic cycles induce action variable holonomy and adiabatic torus pumping. A physical example is also provided.
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BibTeX
@misc{tanaka2026which,
title = {{Which Adiabatic Cycles Alter an Action Variable?}},
author = {Atushi Tanaka and Taksu Cheon},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.40671},
eprint = {2610.40671},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.40671},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Which Adiabatic Cycles Alter an Action Variable?
AU - Atushi Tanaka
AU - Taksu Cheon
PY - 2026
DA - 2026/10/19
PB - arXiv
DO - 10.48550/arxiv.2610.40671
UR - https://arxiv.org/abs/2610.40671
AB - Action variables are adiabatic invariants: their values are preserved during adiabatic time evolutions in completely integrable classical Hamiltonian systems. Nevertheless, an adiabatic cycle can alter how an action variable depends on phase-space variables that are independent of adiabatic parameters. Such a change, which we call action variable holonomy, induces adiabatic torus pumping in phase space. For a family of completely integrable kicked-top systems, a homotopy classification of adiabatic cycles identifies which adiabatic cycles induce action variable holonomy and adiabatic torus pumping. A physical example is also provided.
ER -