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Paper Citation Record · LEDGER

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

As of 16 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.

source=pdf_text observed=2026-08-14T13:53:05.092309Z digest=sha256:647c6cdbce6994b137913fb1d60572e30583f0c3c8f25fa08c124c0fa331def1

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:e084f1616bd1ac8c1e2087c777eaef2dc13aad2fba9528ee5fff095c1cb2971a

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.

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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

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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=sha256:9ab6449df69057273753902d131487b87c226ae21b7654e1a419b9a74f7c1f28

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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verified fuzzy
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:fa908bfe63c9c7f75cf3f3ba4c0ac2f6e1b74cfd603744d712b3de8bacbce566

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:b4c6fb0a200756b207d252037f0d55ae6c9baf2b9b5c91e332d6e4d1bfcc3b1f

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

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unresolved
raw_fallback, observed 2026-08-14T13:53:05.775884Z

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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=2026-08-14T13:53:05.116655Z digest=sha256:a4b39a18138b7eb8b42bffed0f54052e493feb0ba37e4baeb3919d73c68c912a

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
unresolved
raw_fallback, observed 2026-08-14T13:53:05.759567Z

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=2026-08-14T13:53:05.121896Z digest=sha256:371118cf0c77d73b7eb8462e11166292b545d904c42890860716c35b10db53ec

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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raw_fallback, observed 2026-08-14T13:53:05.732498Z

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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:d298e08f00989c3ca81d30ab79937049a4370a9e0473b42edc5c906739681cd6

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

source=pdf_text observed=2026-08-14T13:53:05.130352Z digest=sha256:520841883822454daaa68c6623810517bfd8e7975c16a3affbe9ea2de43d82f4

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

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=2026-08-14T13:53:05.134448Z digest=sha256:e82c5a31fdbf1e8e6d5e3e256229cce18d27d54d218968af687b4aec6cd95ef8

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=sha256:1d33136c04ac9fd8487d359a23ad8ee8f97c0ebc58fdd275e53c3a0a453723b1

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

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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.

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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=sha256:54d527b327681fc3c1af3db83e506d4935529b69ff815d6299f055e0a2e701bb

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
no resolver link, observed 2026-08-14T13:53:05.155240Z

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Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:53:05.155240Z digest=sha256:3ba80f1a658dc7f24ee45b21eab77fd37007ec522d69463a50a42ffe832767dd

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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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=2026-08-14T13:53:05.159300Z digest=sha256:b92de8f864a8f9aa875ae36b30221d9c85879ece73b0c8af3a0a18180c69abb8

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

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 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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verified fuzzy
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=sha256:138c5fcec22e760963b1af7f95c8e6fd27743c8e7af1d06358c73be39e80abf0

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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unresolved
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:a974af9d55a869895c4f318934769ec826120474bd2ff7ee1a44c66ee417e0fa

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.

source=pdf_text observed=2026-08-14T13:53:05.183091Z digest=sha256:1fd94e9557faaf115da006e297005d5da2d968716d3b9357c73e0c84108e9e31

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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raw_fallback, observed 2026-08-14T13:53:05.546624Z

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=2026-08-14T13:53:05.195810Z digest=sha256:f80d629c2aa86b9fa615b5cd6541bee6668a58bee350607eae28d3bc0990cf6c

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

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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

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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.

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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:b575800edab2fd5a9d292225cb1d9886b42fd0227a17cccf3b60c41f96f65193

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=sha256:955b53b92eb5fe0595fbcfe3f079ed54493c8def1af48675c29c72311b91ee50

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.

source=pdf_text observed=2026-08-14T13:53:05.227679Z digest=sha256:585e4ad7db2853e90b6a50277da6fe193a948b1bd758c1c924ac34e1b42bf93e

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:c03b7d0b83966c46d2adf720a0e650cbc8dc429eeddd58e214d19a49d13da2e9

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=sha256:9d52a3ba552f775caf2809fe2a5d20582b64257efa58acaada971d742be77310

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=sha256:34320f4018acdd00d0ca6ccaf60f07f2fefb3df6c5c3d07383d6f63e4b55c801

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=sha256:2a5081a0bd4b103a7af2fc5e68e43a73d45a5198ee51bd8490a132c13f409a54

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:a5591a2ec4409ae7433e8dfd7aa110a7a7b1010060efeb67227733025bcd3b20

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=sha256:9c164902a08ec9e03e5eed667b1ab4ab7b00c1ad917c06ab88938486ec4dc285

Pith citing papers

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