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Dirichlet Scalar Determinants On Two-Dimensional Constant Curvature Disks

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arxiv 2405.14958 v3 pith:6BAO4Q4Y submitted 2024-05-23 hep-th math-phmath.MP

classification hep-thmath-phmath.MP
keywords two-dimensionalboundaryconstantcurvaturedeterminantsdirichletdisksfunction
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abstract

We compute the scalar determinants $\det(\Delta+M^{2})$ on the two-dimensional round disks of constant curvature $R=0$, $\mp 2$, for any finite boundary length $\ell$ and mass $M$, with Dirichlet boundary conditions, using the $\zeta$-function prescription. When $M^{2}=\pm q(q+1)$, $q\in\mathbb N$, a simple expression involving only elementary functions and the Euler $\Gamma$ function is found. Applications to two-dimensional Liouville and Jackiw-Teitelboim quantum gravity are presented in a separate paper.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quantum Liouville Cosmology

    hep-th 2025-12 unverdicted novelty 6.0 of 10

    Timelike Liouville disk path integrals in fixed K-representation produce Hartle-Hawking-like states, a conjecture for all-loop wavefunctions, and a K-independent inner product for 2D quantum cosmology.

  2. Neumann scalar determinants on constant curvature disks

    hep-th 2025-07 conditional novelty 6.0 of 10

    Neumann determinants of the massive Laplacian on constant curvature disks are expressed as convergent infinite series, with exact special-mass reductions for m^2 = -η/L^2 q(q+1).

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