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Focusing on spectral asymmetry (or spectral flow), we find that $L_z=(k+\\nu)N/2$ for any integer $\\nu$ and $k$ in the Bose-Einstein Condensation (BEC) regime, where $N$ is the total number of fermions. While in the weak-pairing Bardeen-Cooper-Schrieffer (BCS) regime, only for chiral $p+ip$-wave SF with $k=\\pm"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2506.08468","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-06-10T05:43:57Z","cross_cats_sorted":[],"title_canon_sha256":"20b1ce483c22e75f0cf2f7da27d096350ccc58337d12657bca824adc232f2f34","abstract_canon_sha256":"f2d59509ecec30bec4cac8060d2216864c7d75e3802d94f91d75bcf171ee1079"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T01:03:32.023372Z","signature_b64":"fBt4k6jdgYxbryWa3C8Tk6SGB1W3NHjZCsYoVWk/aLTmaZXehXl9Ywn/3YWsFNiRgoaiFG3mXdSxrtafcW7OAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e97292aed6e6a0b83655fd06a7e61444d01323743fc03b4949bf13a216532f86","last_reissued_at":"2026-06-02T01:03:32.022847Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T01:03:32.022847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Vortices in Two-Dimensional Chiral Superfluids","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Wenxing Nie, Yan He","submitted_at":"2025-06-10T05:43:57Z","abstract_excerpt":"We study the orbital angular momentum (OAM) $L_z$ of two-dimensional chiral $(p_x+ip_y)^{\\nu}$-wave superfluids (SFs) in the presence of an axisymmetric multiply quantized vortex (MQV) with vorticity $k$ on a disk at zero temperature, in the framework of Bogoliubov-de Gennes (BdG) theory. Focusing on spectral asymmetry (or spectral flow), we find that $L_z=(k+\\nu)N/2$ for any integer $\\nu$ and $k$ in the Bose-Einstein Condensation (BEC) regime, where $N$ is the total number of fermions. 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