{"arxiv_id":"astro-ph/9609132","incoming":{"papers":129,"sentences":142,"groups":[{"kind":"background","label":"Cites it as background","papers":70,"sentences":72,"quotes":[{"arxiv_id":"1408.4125","title":"Statistical diagnostics to identify Galactic foregrounds in B-mode maps","url":"/paper/1408.4125","section":"Introduction","sentence":"The BICEP2 collaboration recently reported [ref] evidence for the signature [ref] of inflationary gravitational waves [ref] in the B-mode component [ref] of the polarization of the cosmic microwave background (CMB).","intent_p":0.89,"contests_p":null},{"arxiv_id":"2606.19337","title":"Constraints on Cosmic Strings from the Curl-Mode CMB Lensing Power Spectrum measured by ACT DR6","url":"/paper/2606.19337","section":"Introduction","sentence":"Although the dominant CMB lensing signal is generated by scalar metric perturbations along the line of sight, the deflection field $d(n̂)$ admits a clean parity decomposition into a gradient component $ϕ$ and a divergence-free curl component $Ω$ [ref] , [equation] where $⋆$ denotes a counter-clockwise rotation by 90 degrees.","intent_p":0.88,"contests_p":null},{"arxiv_id":"0811.0618","title":"Parity violation constraints using 2006-2007 QUaD CMB polarization spectra","url":"/paper/0811.0618","section":"Background","sentence":"Using the CMB is particularly attractive because of the long path length to the surface of last scattering, the well-understood physics of the primordial universe that generated the CMB photons, and two cross-spectra, the temperature-curl (TB) and gradient-curl (EB) cross-correlations, that should be null in a parity-conserving universe [ref] .","intent_p":0.88,"contests_p":null},{"arxiv_id":"1610.09365","title":"Establishing the origin of CMB B-mode polarization","url":"/paper/1610.09365","section":"Introduction","sentence":"On large angular scales, $B$ modes in the polarization field are generated only from scattering on quadrupoles that are sourced by gravitational waves [ref] .","intent_p":0.86,"contests_p":null},{"arxiv_id":"1106.1635","title":"Fingerprints of Primordial Universe Paradigms as Features in Density Perturbations","url":"/paper/1106.1635","section":"Introduction","sentence":"They originate from gravitational waves in the primordial universe [ref] , and may be observed in terms of polarizations in the cosmic microwave background (CMB) [ref] .","intent_p":0.84,"contests_p":null}]}],"unlabelled_sentences":70},"outgoing":{"papers":0,"sentences":0,"groups":[],"unlabelled_sentences":0},"claims":[],"thresholds":{"intent_p":0.8,"supports_p":0.95,"contests_p":0.7},"method":"Citing sentences come from each paper's LaTeX source; every \\cite marks the sentence and the works it cites. Pith's classifier typed each sentence. A label is shown at intent probability 0.8 or more (0.95 for support), a contest at 0.7 or more. Measured accuracy against two blind model families is at https://pith.science/accuracy. The quoted sentences are the citing authors' own.","held_up":null,"_links":{"html":"https://pith.science/paper/astro-ph/9609132"}}