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| From: B.C. ® |
31/07/2000
15:55:00
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| Subject: Quantum
Differences |
post id:
108292
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What is the difference between QCD
and QED
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| From: Richard |
31/07/2000
16:04:00
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| Subject: re: Quantum
Differences |
post id:
108294
|
dont know but if you can find a
copy of this:
J.C. Beckenridge, M.J. Lavelle, T.G. Steele; ``The
Nielsen Identities for the Two-Point Functions of QED and QCD'', To appear
Z. Phys. C (1994)
it may help
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| From: James R
(Avatar) |
31/07/2000
16:45:00
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| Subject: re: Quantum
Differences |
post id:
108310
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QED is quantum electrodynamics,
which concerns things which interact by the electromagnetic force (i.e.
interactions between electrically charged objects). QCD is quantum
chromodynamics, which is concerned with interactions involving the strong
nuclear force (e.g. interactions between
quarks).
JR
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| From: Chris
(Avatar) |
31/07/2000
16:45:00
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| Subject: re: Quantum
Differences |
post id:
108311
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Quantum electrodynamics (QED)
is the quantum theory of the e/m interaction. Quantum chromodynamics (QCD)
is modelled on QED, but describes the strong nuclear interaction.
"Chromo"dynamics refers to the colour charge on gluons (carriers of the
strong force) and quarks (which feel the strong force).
Hope
this helps!
Chris
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