Giaever tunneling
E152190
Giaever tunneling is a quantum mechanical electron tunneling phenomenon in superconductors that provided key experimental confirmation of BCS theory and earned Ivar Giaever a share of the 1973 Nobel Prize in Physics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Giaever tunneling canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1323398 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Giaever tunneling Context triple: [Ivar Giaever, knownFor, Giaever tunneling]
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A.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
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B.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
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C.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
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D.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
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E.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Giaever tunneling Target entity description: Giaever tunneling is a quantum mechanical electron tunneling phenomenon in superconductors that provided key experimental confirmation of BCS theory and earned Ivar Giaever a share of the 1973 Nobel Prize in Physics.
-
A.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
B.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
C.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
D.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
-
E.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electron tunneling effect
ⓘ
quantum mechanical phenomenon ⓘ superconductivity phenomenon ⓘ |
| basedOn |
BCS theory of superconductivity
ⓘ
surface form:
BCS theory
|
| characterizedBy |
current–voltage characteristics
ⓘ
density of states of a superconductor ⓘ energy gap features ⓘ tunneling current ⓘ |
| contributedTo | 1973 Nobel Prize in Physics for Ivar Giaever ⓘ |
| demonstrated | existence of superconducting energy gap ⓘ |
| dependsOn |
applied voltage
ⓘ
barrier transparency ⓘ superconducting energy gap ⓘ temperature ⓘ |
| discoveredBy | Ivar Giaever ⓘ |
| discoveryAward | Nobel Prize in Physics ⓘ |
| evidenceFor |
Cooper pair
ⓘ
surface form:
Cooper pairs
energy gap predicted by BCS theory ⓘ |
| field |
condensed matter physics
ⓘ
mesoscopic physics ⓘ superconductivity ⓘ |
| influenced |
development of tunneling spectroscopy in solids
ⓘ
experimental studies of unconventional superconductors ⓘ |
| involves |
insulating barrier
ⓘ
quantum tunneling of electrons ⓘ superconductors ⓘ superconductor–insulator–normal metal junction ⓘ superconductor–insulator–superconductor junction ⓘ |
| measurementTechnique |
current–voltage curve measurement
ⓘ
differential conductance spectroscopy ⓘ |
| namedAfter | Ivar Giaever ⓘ |
| observedAs |
sharp conductance peaks at gap edge
ⓘ
suppressed conductance within energy gap ⓘ |
| occursIn |
metal–insulator–superconductor structures
ⓘ
thin-film tunnel junctions ⓘ |
| provided | experimental confirmation of BCS theory ⓘ |
| relatedTo |
Josephson effect
ⓘ
normal-metal–insulator–superconductor junctions ⓘ quasiparticle tunneling ⓘ tunneling spectroscopy ⓘ |
| requires |
coherent quantum mechanical tunneling
ⓘ
insulating barrier thin enough for tunneling ⓘ |
| timePeriod | early 1960s ⓘ |
| usedFor |
low-temperature tunneling spectroscopy
ⓘ
measuring superconducting energy gap ⓘ probing quasiparticle density of states ⓘ spectroscopic studies of superconductors ⓘ testing microscopic theories of superconductivity ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Giaever tunneling Description of subject: Giaever tunneling is a quantum mechanical electron tunneling phenomenon in superconductors that provided key experimental confirmation of BCS theory and earned Ivar Giaever a share of the 1973 Nobel Prize in Physics.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.