Ioffe–Pritchard trap
E761916
The Ioffe–Pritchard trap is a magnetic confinement device that creates a three-dimensional minimum in magnetic field strength to stably trap neutral atoms or antimatter such as antihydrogen.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ioffe–Pritchard trap canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8832059 — 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: Ioffe–Pritchard trap Context triple: [Antihydrogen Laser Physics Apparatus, usesMethod, Ioffe–Pritchard trap]
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A.
Penning traps
Penning traps are devices that use static electric and magnetic fields to confine charged particles with high precision for experiments in areas such as fundamental physics and mass spectrometry.
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B.
Einstein–Szilard refrigerator
The Einstein–Szilard refrigerator is an early 20th-century absorption refrigerator design that uses no moving parts and was created to provide a safer, more reliable alternative to conventional refrigerators that relied on toxic gases.
-
C.
Szilard–Chalmers effect
The Szilard–Chalmers effect is a nuclear chemistry phenomenon in which atoms that undergo neutron capture and become radioactive are chemically separated from their original, non-activated atoms due to recoil-induced disruption of their chemical bonds.
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D.
Bridgman anvil cell
The Bridgman anvil cell is a high-pressure device that uses opposed anvils to compress small samples to extreme pressures for experimental research in physics and materials science.
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E.
Low Energy Ion Ring
Low Energy Ion Ring is a CERN accelerator that prepares and injects low-energy heavy ion beams into the Large Hadron Collider for high-energy collision experiments.
- 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: Ioffe–Pritchard trap Target entity description: The Ioffe–Pritchard trap is a magnetic confinement device that creates a three-dimensional minimum in magnetic field strength to stably trap neutral atoms or antimatter such as antihydrogen.
-
A.
Penning traps
Penning traps are devices that use static electric and magnetic fields to confine charged particles with high precision for experiments in areas such as fundamental physics and mass spectrometry.
-
B.
Einstein–Szilard refrigerator
The Einstein–Szilard refrigerator is an early 20th-century absorption refrigerator design that uses no moving parts and was created to provide a safer, more reliable alternative to conventional refrigerators that relied on toxic gases.
-
C.
Szilard–Chalmers effect
The Szilard–Chalmers effect is a nuclear chemistry phenomenon in which atoms that undergo neutron capture and become radioactive are chemically separated from their original, non-activated atoms due to recoil-induced disruption of their chemical bonds.
-
D.
Bridgman anvil cell
The Bridgman anvil cell is a high-pressure device that uses opposed anvils to compress small samples to extreme pressures for experimental research in physics and materials science.
-
E.
Low Energy Ion Ring
Low Energy Ion Ring is a CERN accelerator that prepares and injects low-energy heavy ion beams into the Large Hadron Collider for high-energy collision experiments.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
atom trap
ⓘ
magnetic confinement device ⓘ magnetic trap ⓘ |
| advantage |
allows long trapping times for cold atoms
ⓘ
provides tight confinement with static fields ⓘ suppresses nonadiabatic spin flips at trap center ⓘ |
| appliesTo |
antihydrogen atoms
ⓘ
neutral atoms with magnetic dipole moment ⓘ paramagnetic particles ⓘ |
| component |
Ioffe bars
NERFINISHED
ⓘ
bias coils ⓘ curvature coils ⓘ end-cap coils ⓘ |
| developedFor | stable three-dimensional confinement of neutral atoms ⓘ |
| fieldConfiguration |
axial curvature coils plus Ioffe bars
ⓘ
quadrupole field plus bias field ⓘ |
| hasProperty |
axial magnetic field curvature
ⓘ
cigar-shaped trapping potential ⓘ creates three-dimensional magnetic field minimum ⓘ low-field-seeking state confinement ⓘ nonzero bias field at trap center ⓘ provides harmonic confinement near trap center ⓘ provides static magnetic trapping potential ⓘ radial magnetic field gradient ⓘ reduces Majorana spin-flip losses ⓘ static magnetic field configuration ⓘ |
| operatesOnPrinciple |
Zeeman interaction between atomic magnetic moment and magnetic field
ⓘ
potential energy minimum for low-field-seeking states ⓘ |
| relatedTo |
Penning trap
NERFINISHED
ⓘ
magnetic bottle ⓘ magnetic quadrupole trap ⓘ magneto-optical trap ⓘ |
| typicalEnvironment |
cryogenic apparatus for antihydrogen experiments
ⓘ
ultra-high vacuum system ⓘ |
| usedFor |
magnetic confinement of antimatter
ⓘ
magnetic confinement of neutral particles ⓘ trapping antihydrogen ⓘ trapping cold atoms ⓘ trapping neutral atoms ⓘ trapping ultracold atoms ⓘ |
| usedIn |
Bose–Einstein condensation experiments
ⓘ
antihydrogen spectroscopy ⓘ magnetic trapping stages of atom cooling setups ⓘ neutral atom confinement in vacuum chambers ⓘ precision tests of CPT symmetry ⓘ precision tests of fundamental symmetries ⓘ ultracold atom physics ⓘ |
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: Ioffe–Pritchard trap Description of subject: The Ioffe–Pritchard trap is a magnetic confinement device that creates a three-dimensional minimum in magnetic field strength to stably trap neutral atoms or antimatter such as antihydrogen.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.