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Systematic analysis of Parity-Violating modes

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arxiv 2409.11400 v1 pith:ZZU5WVJB submitted 2024-09-17 astro-ph.CO

Hong-Ming Zhu , Ue-Li Pen This is my paper · ORCID
classification astro-ph.CO
keywords parityproceduresqueezedviolationsanalysisarbitraryclassificationcomputationally
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Recent reports of cosmological parity violation in the 4PCF raises the question of how such violations could be systematically generated. Here we present a constructive procedure to generate arbitrary violations of vectorial and tensorial types on any scale, which is computationally efficient in the squeezed limit. We directly compute their numerical transfer function, and find strong conservation in the linear regime. This procedure spans all squeezed parity violating observables at the 4PCF, following the quadratic estimator classification.

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Cited by 4 Pith papers

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

  1. Probing Parity Violation with Weak Lensing Trispectrum

    astro-ph.CO 2026-07 conditional novelty 6.0 of 10

    A parity-odd weak lensing convergence trispectrum is derived and forecast to be detectable with DES Y3/LSST Y10-like surveys under optimistic template amplitudes.

  2. Parity-odd Four-Point Correlation Function from DESI Data Release 1 Luminous Red Galaxy Sample

    astro-ph.CO 2025-12 accept novelty 6.0 of 10

    The parity-odd four-point correlation function measured in DESI DR1 LRGs is consistent with zero after correcting for survey-induced covariance mismatches.

  3. CMB Lensing Trispectrum as a Probe of Parity Violation in LSS

    astro-ph.CO 2025-05 conditional novelty 6.0 of 10

    The CMB lensing trispectrum is sensitive to parity violation in large-scale structure, and a parity-odd toy model predicts a detectable signal in idealized noiseless forecasts.

  4. Beyond general relativity: gravitational waves in non-minimally coupled theories

    gr-qc 2025-10 conditional novelty 5.0 of 10

    A generalized propagation parameterization for gravitational-wave strains is extended to O(H²) and O(H′), then mapped to Kalb-Ramond, axion-dilaton–Chern-Simons–Gauss-Bonnet, and U(1) dark-photon models.

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