Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:15:32.721171Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 74 of 74 outbound references and 0 inbound Pith citation observations for arXiv:1908.01556.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:15:32.721171Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
74 of 74 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation b15c4bdb-8f14-478e-a743-2cc8341dcfba · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 1
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.
Observation 0309b6ca-9604-466d-bad2-e965833160e2 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 2
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.
Observation 013f392d-b43d-43c2-a57f-7ead4b0d6014 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 3
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.
Observation 57d1e9ec-cabc-4868-96fd-b8b523f08fdd · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties First, since in graphene bothA and B sites correspond to the samepz orbital of carbon, we assumetAA 12 (r) =tBB 12 (r) =tAB 12 (r) =tBA 12 (r) =t⊥(r)
Reference 4
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.
Observation b7ef4ef1-dd31-46c4-a4cf-ea4fda360fcc · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties For smallθ, the Dirac points K1 and K2 are close to each other and we can neglect coupling between K𝓁and−K𝓁points
Reference 5
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.
Observation 426130e5-35c7-4d6c-ae35-e9861e9384e4 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties magic angles
Reference 6
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.
Observation 99cc5f68-5970-4d84-aed1-6e6e2b880369 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties To do so, we must go beyond the truncation employed in the Hamiltonian of Eq
Reference 7
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.
Observation af2b0b34-20b2-4e3c-b15f-0787a680f840 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties magic angles
Reference 8
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.
Observation 4bba3dbe-1458-4237-ade7-309d07553ccb · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties (5), H = R,δ,α,β c† α(R)hαβ δcβ(R +δ)
Reference 9
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.
Observation 6f8aa659-4298-41ce-a2e0-680bcf147395 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties We start with the Drude weight
Reference 10
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.
Observation aef45f02-3604-4309-87f5-a575bfefb40f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties signature
Reference 11
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.
Observation 990b910a-d80e-4e13-b259-28ad6140a8a1 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 12
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.
Observation 2536244d-8225-482d-a8dc-83dd9fde2a91 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 13
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.
Observation b949c397-0cc6-4ba9-aae9-0b27e2d6cd67 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties 27, for two different twist angles
Reference 14
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.
Observation cf547b12-882b-4fb4-86d8-01e51ecba751 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 15
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.
Observation 824b64af-77f4-4a2a-893a-3e724601e711 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 16
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.
Observation f25fd8d8-6d4f-4907-ba33-3a068d72d8bf · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 17
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.
Observation 83e2469d-efe4-4165-bdeb-ffd064090ea8 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 18
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.
Observation ed550ec5-0d75-415c-b08b-a9b9a7f3a2eb · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 19
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.
Observation af15c966-d456-4e79-b2a9-6151b0676554 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 20
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.
Observation 52a17eea-3a21-44d1-a3df-f82d5d5325da · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Brihuega, P
Reference 21
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.
Observation 6d5e821a-ff38-4490-8d5b-e8b4fcf40793 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Latil, V
Reference 22
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.
Observation 92388e5b-d989-480f-ad14-ef9b232aea0f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 23
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.
Observation 145a0210-b325-473a-ab80-3bb4f0181d7f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 24
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.
Observation f3ba2dd6-eab0-4a85-8781-0aae414c5bc9 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 25
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.
Observation cf622c2b-f4f3-4ec7-a10b-b6eea4eba7e7 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Bistritzer, A
Reference 26
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.
Observation 700a707c-b4e4-49e2-bc1e-6c67102ca7fc · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties de Gail, M
Reference 27
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.
Observation 06857a82-f41c-46f1-8b98-449553ee361f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Interlayer interaction in general incommensurate atomic layers.New Journal of Physics, 17(1):015014, 2015
Reference 28
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.
Observation 000f46bd-669f-4de0-affd-7ab4ab1a5d4a · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Weckbecker, S
Reference 29
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.
Observation 5ec2f77a-dd3d-492b-a1b0-a56da17cd908 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 30
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.
Observation 359d05d0-dacd-4b6b-a273-31636b1909fb · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 31
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.
Observation a3c454bb-1a07-477d-b510-e1c52aceb2f4 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Reich, J
Reference 32
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.
Observation fe44734e-f07e-41ec-b6eb-dade2054a02c · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 33
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.
Observation 3be54ec4-aeff-44f2-afe9-9d628f769d60 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Thermal transport for many-body tight-binding models.Phys
Reference 34
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.
Observation 704d6e27-e9e0-4307-bfd3-13c933de259c · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 35
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.
Observation f9a7d003-1625-4c73-babf-72220a275ab7 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 36
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.
Observation 5f27c07b-0ef8-4b63-9af7-54aa9e5f3062 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 37
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.
Observation 96be7a33-a012-4dc2-b822-9fc6e1de8c74 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Fleck, AN
Reference 38
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.
Observation 78e69436-bf5d-4cfb-b5fa-e06171419e6b · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties González
Reference 39
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.
Observation 45b97d0a-941b-4a59-8de3-525601dfd5a7 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Nandkishore, L
Reference 40
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.
Observation b56292de-d275-4466-8be5-132402aa96f0 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 41
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.
Observation 791d5683-e5e7-4a74-a2b2-bea24e4a6c87 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 42
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.
Observation 725b265f-d568-4c4d-9822-cd2b7e376eff · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Gutiérrez-Rubio, Mauricio Sturla, Francisco Guinea
Reference 43
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.
Observation f8032c55-9b7a-4452-82b7-92eb01cf7ef2 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 44
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.
Observation 89f4cbc3-4ed9-4f65-a531-f964b23cb363 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Kretinin, G
Reference 45
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.
Observation 5fd5eb99-3146-4e2a-a27b-5475e280a3fb · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 46
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.
Observation 4c61a48e-d1ff-4ec9-9332-283db2cc91ce · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 47
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.
Observation e22c0e97-b75c-4e73-bf3b-cc4e1b504f2f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 48
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.
Observation fc260e57-f9fd-4c0b-916f-8a7925ffc8d8 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Tabert, E.J
Reference 49
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.
Observation 4ba9a321-18a6-40b4-8f6e-17b414fcd65d · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 50
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.
Observation 291f9b8d-0712-47f7-82ac-2af1a50b30fc · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Optical conductivity, Drude weight and plasmons in twisted graphene bilayers
Reference 51
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.
Observation 5f0d8f34-5d27-4ad1-b1fe-33196bb203fa · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 52
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.
Observation 6352c41b-1918-429a-960d-59c044a2000f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Jablan, H
Reference 53
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.
Observation d287b184-81b2-405e-bb0b-e44d4f209488 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 54
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.
Observation 96212a25-3404-4441-9cb9-0aae152ecb14 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 55
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.
Observation 78f347e8-a1fd-44ef-b8b2-cf0a480d55fb · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Vakil, N
Reference 56
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.
Observation 0c836e5d-c4c9-4c8b-b866-cad6ea2c1165 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 57
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.
Observation 5d5446fc-5669-4872-a9a4-20747bc504ac · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 58
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.
Observation 16869cc7-288e-4ac8-ac9e-9e2cea8837aa · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 59
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.
Observation 6d2a4725-15ad-4758-96ed-89e6562e964a · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 60
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.
Observation 8c7be8d3-bc76-4356-8b24-a1401abf459a · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 61
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.
Observation c46aeb7d-5dbe-43e2-b19c-6a41661a4fbd · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 62
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.
Observation fb8a3ecb-6d95-4061-a354-f8bf75eca2b2 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 63
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.
Observation dd646f50-3d64-4eae-9413-6fcd33b1d1d7 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 64
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.
Observation 3299a3ab-6ab1-4854-bbc4-1546010e7b44 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Kittel.Introduction to solid state physics
Reference 65
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.
Observation 8554f0d9-92d4-4e38-989b-e08f04c3eeff · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Stauber, N
Reference 66
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.
Observation 5d7926db-e410-4dd8-ab4b-2d62518819bc · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Nowick.Crystal properties via group theory
Reference 67
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.
Observation 893fe718-4fac-4a7a-b318-f3f0829389ea · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 68
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.
Observation 25cecaf1-4899-4e9c-84d4-61cbb915c2ad · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 69
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.
Observation 9bc92ba7-f359-407b-abd0-38e4e291bc20 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 70
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.
Observation 275ae157-019c-4264-a696-d131ef0cce31 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 71
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.
Observation f7f58fb0-ad0e-4f40-8cfc-14b6ad527423 · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unresolved cited work
Reference 72
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.
Observation f7be1d0e-83ea-4127-ac82-dc746086ad3f · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Tomarken, Jason Y
Reference 73
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.
Observation 227d4f2d-3120-42a7-8745-96f0f962cc6a · outbound
Twisted bilayer graphene: low-energy physics, electronic and optical properties Unconventional superconductivity in magic-angle graphene superlattices
Reference 74
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.
No inbound Pith citation observations are available.