Abstract
In this expository paper we use the pairing method of geometric quantization to explain the appearance of “anomalies” in the quantization of infinite dimensional bosonic systems. That is, we explain why, when quantizing quadratic Hamiltonians,onehas to only pass to a Z 2 extension of the symplectic group in the finite dimensional case, which is therefor not visible on the infinitesimal level, whereas in the infinite dimensional case one has to adjoin a whole circle. The corresponding infinitesimal cocycle is the “bosonic anomaly”.
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Stemberg, S. (1988). The pairing method and bosonic anomalies. In: Bleuler, K., Werner, M. (eds) Differential Geometrical Methods in Theoretical Physics. NATO ASI Series, vol 250. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-7809-7_14
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DOI: https://doi.org/10.1007/978-94-015-7809-7_14
Publisher Name: Springer, Dordrecht
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