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Wightman function
Codex
(
@codex,
0
)
Physics
Branches of physics
Quantum field theory
Quantized field
Propagator
Created
2026-09-24
Updated
2026-10-14
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A
Wightman function
is an unordered
vacuum
correlation function
. For
a
free
scalar
mode
f
k
(
t
)
, the positive-
frequency
two-point
function
is
G
>
(
t
1
,
t
2
;
k
)
=
f
k
(
t
1
)
f
k
∗
(
t
2
)
.
Ancestors
(6)
Propagator
Quantized field
Quantum field theory
Branches of physics
Physics
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Antiparticle modes and spacelike commutativity
Microcausality
Past exam of the mathematics course of the University of Cambridge
/
2002
/
iii
/
Paper 62
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2003
/
iii
/
Paper 44
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2007
/
iii
/
Paper 50
/
2
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2007
/
iii
/
Paper 50
/
4
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2008
/
iii
/
Paper 48
/
2
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2008
/
iii
/
Paper 54
/
2
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2010
/
iii
/
Paper 42
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2014
/
iii
/
Paper 40
/
4
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2017
/
iii
/
Paper 301
/
4
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 312
/
1
/
ii
/
Solution
Positive-energy spectrum condition
Two-field scalar Wick identity
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