Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:42:53.833708Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 24 of 24 outbound references and 0 inbound Pith citation observations for arXiv:1908.03226.
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 2026-08-14T14:42:53.833708Z
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
24 of 24 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation f5c06f4a-701d-449b-b47a-6239d48b5c73 · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 294f8099-f6e0-46a7-b7e1-37def215b6cf · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 e5feeba9-5628-4fa9-a37b-61348d166b40 · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 bd6b8f7f-c2ff-41b7-9d09-c05338e32060 · outbound
Ferromagnetism in Quantum Dot Plaquettes This is done using perturbation theory, but is complicated by the fact that the spin 0 states are often degenerate
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 98ed55e1-a574-42d5-8d3d-b9847a56c978 · outbound
Ferromagnetism in Quantum Dot Plaquettes (15) become 0, U, and U + 2V respectively
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 17877f27-85c9-4851-92c7-363f935fa1c2 · outbound
Ferromagnetism in Quantum Dot Plaquettes We use the same square configura- tion of four dots, but now add extra hopping terms t13 =t31 =t42 =t24 =−td
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 26767208-4827-4cc9-92ec-765dc46e6504 · outbound
Ferromagnetism in Quantum Dot Plaquettes Unresolved cited work
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 09662e8d-a3ba-4988-8b84-fb0fee2ae1bd · outbound
Ferromagnetism in Quantum Dot Plaquettes We define ta and tb as in eq
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 9455235f-111f-418b-8740-2fd4ebb88b2e · outbound
Ferromagnetism in Quantum Dot Plaquettes Unresolved cited work
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 8f0ba1d4-c5d4-4dc9-b1e3-122389b9cebe · outbound
Ferromagnetism in Quantum Dot Plaquettes We will let dots 2 through 4 be positioned at the corners of an equilateral triangle, and dot 1 be at the center, with hopping terms only between a corner dot and the center dot
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 7075c641-459b-4f64-93e1-a54fdda78861 · outbound
Ferromagnetism in Quantum Dot Plaquettes Hopping We now add a next nearest neighbor hopping term td between the outer corners of the Y-shaped configuration
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 018ecdca-494c-4910-a03e-6d7a82963926 · outbound
Ferromagnetism in Quantum Dot Plaquettes However, due to conservation of spin, only states where the two single electrons form a spin singlet will contribute, and thus we need only consider 12 states
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 9ad093e8-0d66-476c-9a1c-ec35e36494e9 · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 17fc22da-d079-41e6-9ed2-b862c1f4ffc3 · outbound
Ferromagnetism in Quantum Dot Plaquettes Unresolved cited work
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 8c01e204-8169-4d51-aa9e-2c25c15fa69a · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 f03f8f72-b794-4c34-8f22-20d8a1eeadfa · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 9f641c05-b6ea-4c43-91c8-bee08ba863fb · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 bf28fd5d-3f3f-4ddd-a0ea-6d3ad295ea81 · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 6020498f-09ba-45a8-83e0-91e85c7bf4df · outbound
Ferromagnetism in Quantum Dot Plaquettes Thus, the |Ψ± 0⟩ degeneracy remains unbroken, due to the three-fold rotational symmetry of the system
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 f2c91362-34bc-4cd6-9fda-d0e7efdbeaaf · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 6a636762-2ddd-4550-bd5b-bc2513cb97fe · outbound
Ferromagnetism in Quantum Dot Plaquettes For spin 2, there are five states for each value of Sz corresponding to the position of the hole, since there is only one spin configuration for a given value of Sz that has spin 2
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 68afe9e9-956c-44e2-b058-ef66502fbcf5 · outbound
Ferromagnetism in Quantum Dot Plaquettes We define the following spin configurations: |ψj 1⟩ = 1 2 [ |↑↑↑↓⟩ +ejπi 2 |↑↑↓↑⟩ +e2jπi 2 |↑↓↑↑⟩ +e3jπi 2 |↓↑↑↑⟩ ] (107) for j between 1 and 3
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 9ac7aa3d-de00-42be-94cf-e9ae1a4c921a · outbound
Ferromagnetism in Quantum Dot Plaquettes 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 ac8e7cab-f376-4e12-af5f-4b426b80f7b9 · outbound
Ferromagnetism in Quantum Dot Plaquettes Nagaoka ferromagnetism observed in a quantum dot plaquette
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.
No inbound Pith citation observations are available.