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user143410
  • Member for 7 years, 6 months
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12 votes
1 answer
5k views

Bessel function representation of spacelike KG propagator

10 votes
2 answers
1k views

Euclidean QFT commutator vanishes for all spacetime separations?

6 votes
1 answer
1k views

Operator product expansion (of free field theory) in functional quantization approach

4 votes
2 answers
867 views

Is the Feynman propagator integrable over Minkowski spacetime?

3 votes
1 answer
3k views

Klein Gordon equation in Schwarzschild spacetime (spherical harmonic mode expansion)

2 votes
1 answer
308 views

Is the surface gravity on a null surface trivial? (Wald eq. 12.5.2)

2 votes
0 answers
433 views

Surface gravity of bifurcate Killing horizon in static wedge

2 votes
0 answers
95 views

Ambiguity in free field operators

2 votes
0 answers
238 views

Klein Gordon propagator in linearized spacetime background

2 votes
0 answers
94 views

Spread of the (smeared) field observable under time-evolution

1 vote
0 answers
242 views

Hadamard expansion of interacting Klein Gordon 2-point function

1 vote
0 answers
393 views

Causal propagator relation from canonical field commutator

1 vote
0 answers
83 views

Local acceleration of mirror in flat 1+1 spacetime

0 votes
0 answers
350 views

Mass dependence of the Euclidean Klein-Gordon propagator

0 votes
0 answers
860 views

Kronecker delta commutation relations for QFT