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A use of geometric calculus to reduce Berezin integral to the limit of a Riemann sum

Thomas Scanlon, Roman Sverdlov
Arxiv ID: 0908.2605Last updated: 6/19/2020
Berezin integration of functions of anticommuting Grassmann variables is usually seen as a formal operation, sometimes even defined via differentiation. Using the formalism of geometric algebra and geometric calculus in which the Grassmann numbers are endowed with a second associative product coming from a Clifford algebra structure, we show how Berezin integrals can be realized in the high dimensional limit as integrals in the sense of geometric calculus. We then show how the concepts of spinors and superspace transform into this framework.

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