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visits member for 4 years
seen Jul 23 '14 at 14:03

Mar
22
awarded  Popular Question
Mar
13
awarded  Good Question
Jan
31
awarded  Popular Question
Oct
18
awarded  Nice Question
Sep
26
awarded  Yearling
Jul
2
awarded  Curious
Jun
23
asked Normal ordering in curved spacetime
Apr
16
awarded  Popular Question
Sep
22
awarded  Notable Question
Aug
6
awarded  Nice Question
Jun
20
awarded  Yearling
May
21
asked What is the reason that relativistic corrections for hydrogen atom work?
Jan
15
awarded  Popular Question
Nov
26
awarded  Caucus
Nov
26
accepted Naive question about massive spin 2 particles and QFT
Nov
9
comment More than one time dimension
You may want to look at the following paper arxiv.org/abs/hep-ph/9910207
Sep
21
awarded  Nice Question
Sep
1
revised How does the Feynman's $i\epsilon$-prescription make the Feynman propagator causal?
deleted 9 characters in body
Sep
1
asked How does the Feynman's $i\epsilon$-prescription make the Feynman propagator causal?
Aug
27
comment Aharonov-Bohm vs de Witt
Thank you Heidar, I will read these two.