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SpectralAction

oxilean_std::noncommutative_geometry::types

Struct SpectralAction 

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pub struct SpectralAction {
    pub triple: SpectralTriple,
    pub cutoff: f64,
}
Expand description

The spectral action functional Tr(f(D/Λ)) for cutoff Λ.

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§triple: SpectralTriple

The underlying spectral triple.

§cutoff: f64

The energy cutoff scale Λ.

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impl SpectralAction

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pub fn new(triple: SpectralTriple, cutoff: f64) -> Self

Construct the spectral action for a triple with cutoff Λ.

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pub fn asymptotic_expansion_terms(&self, order: u32) -> Vec<String>

Terms in the heat-kernel asymptotic expansion of Tr(f(D/Λ)) as Λ → ∞.

Returns the first order leading terms (in powers of Λ).

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