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Paper Citation Record · LEDGER

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field

As of 17 August 2026, this Paper Citation Record lists 35 of 35 outbound references and 0 inbound Pith citation observations for arXiv:1908.04726.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
1908.04726 v2

Coverage vector

measured 35 of 35 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T13:53:05.260303Z

measured 35 of 35 standing notices

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Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

35 of 35 outbound references displayed

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  • verified fuzzy15
  • unresolved19
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation fa400234-5d56-49d8-82a5-65fffbb63afc · outbound

This paper cites For 3 (a)S = 1, L = 1:Berry phase.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field For 3 (a)S = 1, L = 1:Berry phase

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.840081Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation e2be17df-8549-48b8-a36b-1345bab5edce · outbound

This paper cites phase transition.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field phase transition

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.815378Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.101476Z digest=sha256:167a1dd7ede0180143fed388f3d2e134383c4eaac9a6780bb15ba87c46583db0

Observation dad97523-b545-4a1d-8d25-90a4f123fbae · outbound

This paper cites 3, Ch(i) =−J(i) nB =−⟨ψi|JnB|ψi⟩.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field 3, Ch(i) =−J(i) nB =−⟨ψi|JnB|ψi⟩

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.827628Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.097257Z digest=sha256:477ae8db8b054b7cf8cdb9bbc1f460d5d01447f6ccebea5f5e9c59fc2df8b9ca

Observation 419df028-173c-46f0-94ca-9c6fe3f95d2f · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 4

Resolution
unresolved
no resolver link, observed 2026-08-14T13:53:05.151264Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.151264Z digest=sha256:79922162dab1fb83c5e69c78791212479f9072f30bc3584ffdf5ac04c0279235

Observation b4e4ad25-2142-4c00-b859-b49f42233b26 · outbound

This paper cites The states labeled by n = 1, 2, 3, 4, 10, 11, 12, 13, 14, 15 are non-degenerate states, while the other statesn = 5, 6, 7, 8, 9 have degenerate energy level atx = 2 5.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field The states labeled by n = 1, 2, 3, 4, 10, 11, 12, 13, 14, 15 are non-degenerate states, while the other statesn = 5, 6, 7, 8, 9 have degenerate energy level atx = 2 5

Reference 5

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raw_fallback, observed 2026-08-14T13:53:05.802765Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.106704Z digest=sha256:57d32029db71107fd1979aaf062882080554771b2de46c0c1b0353f325ddd081

Observation 6ff130db-a6f2-437a-96eb-b0388a41bb3e · outbound

This paper cites 7(a) shows the energy levels of our model for L = 2.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field 7(a) shows the energy levels of our model for L = 2

Reference 6

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raw_fallback, observed 2026-08-14T13:53:05.790356Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.111683Z digest=sha256:bf69dc839a1140e08d48d0ff417e1b63b6e4db5070ef1843e8f832a1c8b9e1dc

Observation 5a931fc6-7d3c-4a71-b1cf-8b77267402ba · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 7

Resolution
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.116655Z digest=sha256:3bf3271e21de286fa1185ddc5d65a611610de8519dc26cb5347d593ce6845fac

Observation 60122669-7659-4c47-ac3a-77b926f342d5 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 8

Resolution
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No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.121896Z digest=sha256:dd1eaa82c38a47a66a6062684e0290b12d67190482e1a400167080465653d928

Observation 9d536412-df0e-47ca-94e7-a56d6862c771 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 9

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No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.125811Z digest=sha256:b43a5efa5c998e653423313651d619107c3ccae944daa4f7df122ec5927a098c

Observation 466b922f-7f31-4346-90a1-73fbbf21df80 · outbound

This paper cites Weyl point.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Weyl point

Reference 10

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source=pdf_text observed=2026-08-14T13:53:05.130352Z digest=sha256:b32a0be7263e6100bb97bb5172516124f457679d5b1c92ca3b7579eb89490dcd

Observation a7c64c41-0ba3-4b8b-8d40-31897c89e57a · outbound

This paper cites Weyl sphere.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Weyl sphere

Reference 11

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.134448Z digest=sha256:361248c55d0136b2cea981a1db1c0bb453cf436dd5976ee88ffd0dd7bb9cf266

Observation e89d2946-f361-41e4-8296-9697c7a207bb · outbound

This paper cites Zhu, Phys.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Zhu, Phys

Reference 12

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verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.691250Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.138797Z digest=sha256:3ff31545f39406c456c7096db011c4f7a6e73d2fec540ef71a4f548744a11c8a

Observation 21e9a997-748a-407e-bac6-a629c789ae84 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 13

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.678016Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.142674Z digest=sha256:37e3af0439c754b30f1134e2f23c5627d01b2c4df9f4cbcd42deef24eabe5cf4

Observation 462f35b7-6579-43ba-b16e-88fd9ff1bbb9 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 14

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unresolved
no resolver link, observed 2026-08-14T13:53:05.146995Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.146995Z digest=sha256:2a60183b63144b90adac6a001b09913d9036c3f5db9aff07aed09c1116e77a38

Observation 23f4fa71-68c2-47b4-8fd6-d406d78f8fe3 · outbound

This paper cites Qi and S.-C.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Qi and S.-C

Reference 15

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unresolved
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Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.155240Z digest=sha256:72c251773481dcf25bb566a40a4715aded58964c56839be4671c149c667ade85

Observation df861873-801c-49b7-9dc0-b0404d700502 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 16

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No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.159300Z digest=sha256:e1047f9f3beab1f0598e21442671008cc086f4bf3f6cf796f5f17e64a66768a8

Observation 1b6231d9-9454-4d91-aad2-d75c9871b792 · outbound

This paper cites Armitage, E.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Armitage, E

Reference 17

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verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.617308Z

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No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.163747Z digest=sha256:df12bf624215a6050c100f7e57cf5a30e8078d12f2a0dab0bbf3ffadf1bf4ad7

Observation f0ffcb95-eca8-4d73-a57f-63a9dd188d32 · outbound

This paper cites Bradlyn, J.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Bradlyn, J

Reference 18

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raw_fallback, observed 2026-08-14T13:53:05.604623Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 912a6ce6-fc21-48d6-9e80-a51e584b5362 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 19

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no resolver link, observed 2026-08-14T13:53:05.172643Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.172643Z digest=sha256:0609392881a2c54d2af1178292786b610c9b74faaadb3ce3a2c0a235de4bc49e

Observation 46b60aee-5b70-43be-8e5f-7d518f0ca4bd · outbound

This paper cites Lv, Z.-L.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Lv, Z.-L

Reference 20

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no resolver link, observed 2026-08-14T13:53:05.179045Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.179045Z digest=sha256:947550396a9252efab973d23bbfdaf4752cdc142e17cf161324989d825e5ee95

Observation 1dfed606-579b-41a8-ac01-e39eb2b7ba16 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 21

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unresolved
raw_fallback, observed 2026-08-14T13:53:05.576109Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 8c7f96ea-96ad-4cc8-a852-e6ecb92ffc87 · outbound

This paper cites Erickson, D.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Erickson, D

Reference 22

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 886e2eb3-dc92-48d3-91de-d0691db8ba64 · outbound

This paper cites Breit and I.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Breit and I

Reference 23

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No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation f7f825ab-d22e-451b-8bab-016ffad79a25 · outbound

This paper cites Bai, M.-L.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Bai, M.-L

Reference 24

Resolution
verified exact
raw_fallback, observed 2026-08-14T13:53:05.382973Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation e4b52dbf-303a-4a1f-8a25-776b928dc0fc · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 25

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.531226Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation f901bd52-cf87-4549-9b19-1ea9d0ae9c86 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 26

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.515857Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.208081Z digest=sha256:fb2db2f64d8f21ce4b9862c281056bc015a752aa5429a595537048a57e7a5d7b

Observation 335192ae-6bee-4015-b4d0-b091292e3a9e · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 27

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.501082Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.212298Z digest=sha256:cc2575c8309ae33a26dd5a70e271cf1ecf93d3bbc9037834c5a860710e5a2d98

Observation 708b3466-2fb5-46c8-8069-829475eddfe1 · outbound

This paper cites Wilczek and A.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Wilczek and A

Reference 28

Resolution
unresolved
no resolver link, observed 2026-08-14T13:53:05.217317Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.217317Z digest=sha256:ededdc84529a95d0f7ae8def4e9c724b1cb9f8acb620a2afd07a0e5f147be433

Observation 776b62a5-8853-4c4f-8afe-6103ca20bc6d · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 29

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.480876Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 139abe59-1c4f-4d7a-b270-c28d64d54fc3 · outbound

This paper cites Zener, Proc.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Zener, Proc

Reference 30

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.466894Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.232322Z digest=sha256:821b28c843979df46d6854270991f23bffee2af5b46aea7758ca872df40a768d

Observation fec6422a-916a-4628-9cad-af8907fe217c · outbound

This paper cites In topological semimetal, the bases are usually{a† k, ak}, where a† k(ak) rep- resents the fermionic operator in momentum space.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field In topological semimetal, the bases are usually{a† k, ak}, where a† k(ak) rep- resents the fermionic operator in momentum space

Reference 31

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.452900Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.236671Z digest=sha256:a885e0d0205da59a89a5dab2a68f316bbfa5e50e2f8274fd414a3c85ba4ff002

Observation b44f8dac-1349-4468-9e8a-92d5c3984fbe · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 32

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.438855Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.242379Z digest=sha256:b1b0f882fa226f308485aedf258183b920982528d12ba1cca10cea8ff1a1aac4

Observation 35784e78-c178-4d66-9d84-73c47d470145 · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 33

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.425469Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.250067Z digest=sha256:cb637c75968b544d528c8c90b11ec026ff4cef7f157d3319e9b00e0697d24bf6

Observation b40f2e92-aa30-4be4-bcf5-c26a0b33b6fd · outbound

This paper cites an unresolved cited work.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field Unresolved cited work

Reference 34

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:53:05.413192Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.254115Z digest=sha256:d0a71d9cd73dcd005b20f1eff4882055119a0140fb91e85eb79ace482707fc40

Observation 1ec972c2-13f1-4d0d-a508-bd25087c4ee0 · outbound

This paper cites (C11) These are the bases in the 5-dimension degenerate state space and they are smooth in the parameter space.

Topological numbers of Happer model with "puzzling" degeneracy in periodic magnetic field (C11) These are the bases in the 5-dimension degenerate state space and they are smooth in the parameter space

Reference 35

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:53:05.397565Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:53:05.260303Z digest=sha256:74a0025827ad3c37386343ba1d2db17d46827b9878f1e3cb12ce24d31432f962

Pith citing papers

No inbound Pith citation observations are available.