This is the 10388th most frequent Russian word.
вантовую
"Вантовую" relates to "вантовая" and means "cable-stayed" (as in cable-stayed bridges).
The word 'вантовую' is used as an adjective to describe the theory, suggesting it concerns quantum phenomena.
Учёные разработали новую вантовую теорию.
Scientists have developed a new quantum theory.
Here, 'вантовую' modifies 'структуру', referring to the quantum nature or aspect of the structure.
Мы изучали вантовую структуру света на уроке физики.
We studied the quantum structure of light in the physics class.
In this sentence, 'вантовых' is the plural form and describes the systems as pertaining to quantum mechanics.