Einstein synchronization convention

E48272

The Einstein synchronization convention is a method in special relativity for synchronizing distant clocks using light signals, forming the standard basis for defining simultaneity in inertial frames.


Statements (52)
Predicate Object
instanceOf concept in special relativity
convention in physics
definition of simultaneity
synchronization convention
alsoKnownAs Einstein simultaneity convention
Einstein–Poincaré synchronization
appliesTo inertial reference frames
assumes constancy of the speed of light in vacuum
isotropy of the one-way speed of light
basedOn two-way speed of light measurement
compatibleWith Lorentz transformations
Minkowski spacetime structure
contrastsWith Reichenbach synchronization schemes
absolute simultaneity of Newtonian mechanics
anisotropic synchronization conventions
coreIdea clocks are synchronized if light travel times are equal in opposite directions
time of reflection event is midpoint between emission and reception times
defines simultaneity of spatially separated events
synchronization of distant clocks
dependsOn round-trip speed of light being isotropic
discussedIn philosophy of space and time literature
field special relativity
theoretical physics
hasConsequence one-way speed of light becomes definition-dependent
simultaneity becomes frame-dependent
implies relativity of simultaneity between inertial frames
standard Einstein time coordinate in each inertial frame
independentOf choice of spatial origin
influencedBy Lorentz invariance of Maxwell’s equations
introducedBy Albert Einstein
involves assumption of negligible acceleration of clocks
exchange of light signals between clocks
mathematicalCondition t_B = (t_A1 + t_A2) / 2
philosophicalStatus conventional but empirically adequate
publication On the Electrodynamics of Moving Bodies
publicationYear 1905
relatedConcept Einstein simultaneity
clock synchronization
one-way speed of light
relativity of simultaneity
relatesQuantity emission time
reception time
reflection time
requires inertial observers
standardIn International System of Units time definitions (conceptually)
special relativity textbooks
usedFor constructing standard inertial coordinates
defining coordinate time in an inertial frame
deriving length contraction relations
deriving time dilation formulas
uses finite speed of light
light signals

Referenced by (5)
Subject (surface form when different) Predicate
Einstein synchronization convention ("Einstein simultaneity convention")
Einstein synchronization convention ("Einstein–Poincaré synchronization")
alsoKnownAs
relativity of simultaneity ("Einstein light-signal synchronization procedure")
assumes
Einstein synchronization convention ("Einstein simultaneity")
relatedConcept
relativity of simultaneity
relatedTo

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