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bio website motls.blogspot.com
location Czech Republic
age 40
visits member for 3 years, 10 months
seen 9 mins ago

Hi, I am a string theorist and a publicist.


2d
answered The integral is zero! $\int \frac{\mathrm{d}^d k}{(2\pi)^d} = 0$
Nov
8
answered Calculating velocity from a pressure distribution
Oct
31
answered The gravitational constant $G$ theoretically?
Oct
28
answered Switching from sum to integral
Oct
21
answered Few particle fermion system wavefuction
Oct
17
answered Semiclassical limit of Quantum Mechanics
Oct
16
answered Constructing matrix for spin in Stern-Gerlach experiment for arbitrary angle
Oct
16
answered What is divergence?
Oct
6
answered Relative Minus signs from different Feynman Diagrams
Sep
21
answered Anti-neutrons, anti-quarks, isospin: What is observed and what is derived?
Sep
20
answered Why does Energy-Momentum have a special case?
Sep
17
answered what physical quantity do real scalar field operators create/destroy?
Sep
15
answered Is voltage difference always proportional to its derivative?
Sep
13
answered Inconsistency between Helmholtz and Gibbs Free Energies
Sep
6
answered Why black body radiation is all over the frequency range
Sep
6
answered Why does the state space contain states with negative norm and what would be an example?
Sep
6
answered Dirac's remark that inspired Feynman when formulating path integral
Sep
5
answered What is R-symmetry with supersymmetric theory?
Sep
5
answered Lie algebra - basis for adjoint matrix products in SU(N)?
Sep
3
answered Why group velocity represents energy or information transmission? What relation between phase velocity and special relativity