Josephson effect

E602114

quantum mechanical phenomenon superconductivity phenomenon

The Josephson effect is a quantum mechanical phenomenon in which a supercurrent flows between two superconductors separated by a thin insulating barrier, enabling devices like SQUIDs and superconducting qubits.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label	Occurrences
Josephson effect canonical	4
DC Josephson effect	1

Statements (48)

Predicate	Object
instanceOf	quantum mechanical phenomenon ⓘ superconductivity phenomenon ⓘ
dependsOn	macroscopic quantum phase coherence ⓘ superconducting energy gap ⓘ
describedIn	Ginzburg–Landau theory NERFINISHED ⓘ microscopic tunneling models ⓘ
discoveredBy	Brian David Josephson NERFINISHED ⓘ
enablesMeasurementOf	fundamental constants ⓘ magnetic flux ⓘ
governedBy	Josephson relations NERFINISHED ⓘ phase difference of superconducting order parameter ⓘ
hasApplication	metrological voltage standards ⓘ microwave detection ⓘ ultra-sensitive magnetometry ⓘ
hasConsequence	oscillating supercurrent at finite voltage ⓘ supercurrent at zero voltage ⓘ
hasDiscoveryYear	1962 ⓘ
hasImpactOn	development of quantum information processing ⓘ precision electrical metrology ⓘ
hasKeyQuantity	Josephson frequency ⓘ critical current ⓘ phase difference ⓘ
hasType	AC Josephson effect NERFINISHED ⓘ DC Josephson effect NERFINISHED ⓘ
involves	Cooper pairs ⓘ supercurrent ⓘ
namedAfter	Brian David Josephson NERFINISHED ⓘ
occursBetween	two superconductors ⓘ
occursInDevice	SIS junction ⓘ SNS junction NERFINISHED ⓘ tunnel junction ⓘ weak-link bridge ⓘ
relatedTo	BCS theory NERFINISHED ⓘ quantum tunneling ⓘ superconducting phase difference ⓘ
requires	superconducting electrodes ⓘ weak link ⓘ
requiresCondition	temperature below superconducting critical temperature ⓘ
separatedBy	thin insulating barrier ⓘ
standardizedBy	Josephson constant NERFINISHED ⓘ
temperatureDependence	critical current decreases with temperature ⓘ
usedIn	Josephson junction NERFINISHED ⓘ SQUID NERFINISHED ⓘ quantum computing ⓘ superconducting electronics ⓘ superconducting quantum interference device ⓘ superconducting qubit ⓘ voltage standard ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Giaever tunneling → relatedTo → Josephson effect ⓘ

Brian David Josephson → knownFor → Josephson effect ⓘ

Brian David Josephson → notableIdea → Josephson effect ⓘ

Josephson constant → appearsIn → Josephson effect ⓘ

Josephson constant → relatedEffect → Josephson effect ⓘ

this entity surface form: DC Josephson effect