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location Europe
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I'm a theoretical physicist.


3h
comment Path Integrals Page Peskin
Echoing @dmckee's comment, your latest edit (version 5) is less informative than version 4. E.g. now the P&S page number is missing.
4h
comment What are the concepts and explanation to these questions?
Hi @ShuffleBurger, to delete a question, don't remove the content via an edit (which technically violates an SE rule concerning defacing a post). Just vote to delete.
5h
comment What is the maximum speed of a change?
Possible duplicate: physics.stackexchange.com/q/9495/2451
5h
comment Can space expand with unlimited speed?
Possible duplicates: physics.stackexchange.com/q/26549/2451 and links therein.
5h
comment Superluminal expansion of the early universe how is this possible?
Possible duplicates: physics.stackexchange.com/q/26549/2451 and links therein.
5h
comment Diameter of the universe
Possible duplicates: physics.stackexchange.com/q/26549/2451 and links therein.
1d
comment Lie algebra of lorentz group
Related: physics.stackexchange.com/q/28535/2451
1d
comment When are there enough Casimirs?
@Peter Kravchuk: Yes and yes.
1d
comment Probability distributions
Would stats.stackexchange.com be a better home for this question?
2d
comment Arbitrary tensor covariant derivative
Comment to the question (v4): OP's formulas are only true for torsion-free connections.
2d
comment Is there a one-to-one relationship between colour theories and our trichromatic vision?
More Phys.SE questions on tri-chromatic colors.
2d
comment When are there enough Casimirs?
@Peter Kravchuk. Thanks. I accidentally first drew the three Weyl reflection axes of $L=sl(3,\mathbb{C})$ wrong (tilded by $30^{\circ}$), which somehow lead me to believe a string of wrong conclusions.
2d
comment What is the general statistical definition of temperature?
Related: physics.stackexchange.com/q/43858/2451
2d
comment Whats the theoretical max speed to go around the world?
Hi mfriis. Welcome to Phys.SE. If you haven't already done so, please take a minute to read the definition of when to use the homework tag, and the Phys.SE policy for homework-like problems.
May
19
comment Is there any case where one would use, snap, crackle or pop?
Related: physics.stackexchange.com/q/41243/2451 Possible duplicates: physics.stackexchange.com/q/52024/2451 and links therein.
May
19
comment can be exist the negative mass?
Possible duplicates: physics.stackexchange.com/q/18925/2451 , physics.stackexchange.com/q/34115/2451 , physics.stackexchange.com/q/44934/2451 , and links therein.
May
18
comment How do we know that time and distance are not discrete?
The answers will essentially be duplicates of physics.stackexchange.com/q/35674/2451 , physics.stackexchange.com/q/9720/2451 and links therein.
May
18
comment Doubts about the definition of mass
Related: physics.stackexchange.com/q/8610/2451 and links therein.
May
18
comment Physics of Banked Curves at an angle
Echoing mythealias's comment, I'm closing this question as not a real question.
May
18
comment How can a car's engine move the car?
Possible duplicates: physics.stackexchange.com/q/45653/2451 and links therein.