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Physics
Jens Roderus's user avatar
Jens Roderus's user avatar
Jens Roderus's user avatar
Jens Roderus
  • Member for 7 years, 11 months
  • Last seen more than a month ago
  • Örebro, Sweden
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About

Software developer at Cab Group, former theoretical physics student.

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Top posts
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question
21
Why do the counterterms in renormalized $\phi^4$-theory with power two in fields give vertices and not propagators?
May 26, 2017
question
9
Is a tensor which is symmetric in two indices still symmetric after raising/lowering one index?
Mar 2, 2017
question
8
What symmetry does conserved $L^2$ imply?
Feb 24, 2017
question
6
Why do we raise and lower indices of tensors of various groups with the invariants of that group?
Oct 5, 2017
question
6
Why does Kramer's theorem only apply to systems with an odd number of fermions?
Nov 25, 2017
question
5
Dispersion relation near a Dirac point
Feb 22, 2018
question
5
Difference in symmetries of Second quantized and First quantized Hamiltonian [duplicate]
Mar 29, 2018
answer
5
Distance a fired bullet travels in a block of wood
Jan 13, 2017
answer
5
What units does $x-y$ have if $x$ and $y$ are in °C?
May 7, 2017
question
3
Switching between Dirac notation and creation/annihilation operators?
Mar 28, 2018
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27
If a matrix commutes with a set of other matrices, what conclusions can be drawn?