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22664
bio website physics.stackexchange.com/…
location Italy
age 31
visits member for 4 years, 8 months
seen yesterday

If you are (a) angry and (b) reading this. Then you taking yourself too damn seriously. Chill out!


1d
awarded  Famous Question
2d
comment Why group velocity represents energy or information transmission? What relation between phase velocity and special relativity
@AdrianMay I wouldn't say that the argument is circular. The argument is just opposite of what one expects: one doesn't derive causality from $\omega(k)$ -- one constraints $\omega(k)$ with the causality requirement.
Jul
24
awarded  Good Question
Jun
28
awarded  Good Answer
Jun
16
comment Is there a natural (suitable) definition for functional derivative in Curved space time
@Prag1 First of all -- are you sure about you derivative? The $\sqrt{g}$ means something more complex, isn't it?
Jun
15
answered Is there a natural (suitable) definition for functional derivative in Curved space time
Apr
8
comment Can universe or anything be simulated with absolute accuracy?
@LifeH2O Yes if you are talking about the total wavefuncion of your your system.
Apr
8
answered Can universe or anything be simulated with absolute accuracy?
Apr
1
comment Is there a mistake in a QFT textbook?
Looks like you are right -- dimensions do not match up...
Mar
18
awarded  Good Question
Mar
14
awarded  Popular Question
Mar
8
awarded  Enlightened
Mar
8
awarded  Nice Answer
Feb
10
awarded  quantum-mechanics
Feb
9
comment What is the difference between a bit and a qubit?
@MattCube, can I ask you... Do you have any familiarity at all with complex numbers? $\qquad\qquad\qquad$ How much is $(5+i3)\cdot 3e^{i\frac\pi4}$ ?
Feb
9
answered What is the difference between a bit and a qubit?
Feb
6
answered What are the effects of increased mass on persons traveling at near light speed?
Feb
3
awarded  Good Answer
Feb
2
comment What physical evidence is there that subatomic particles pop in and out of existence?
Sorry. I just cant stop myself from mentioning T.Hanks.
Feb
2
awarded  Nice Answer