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A path integral derivation of χy-genus

Guowu Meng

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The formula for the Hirzebruch χy-genus of complex manifolds is a consequence of the Hirzebruch–Riemann–Roch formula. The classical index formulae for Todd genus, Euler number and signature correspond to the case when the complex variable y = 0, −1 and 1 respectively. Here we give a direct derivation of this nice formula based on supersymmetric quantum mechanics.


PACS

03.65.-w Quantum mechanics

02.30.Rz Integral equations

02.40.Tt Complex manifolds

MSC

32Q15 Kähler manifolds

81S40 Path integrals (See also 58D30)

81Q60 Supersymmetric quantum mechanics

Subjects

Mathematical physics

Quantum information and quantum mechanics

Dates

Issue 4 (31 January 2003)

Received 28 August 2002

Published 15 January 2003



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