142 reputation
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bio website github.com/sw1sh
location Moscow, Russia
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visits member for 1 year, 11 months
seen Sep 17 at 16:09

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You Should Do The Matasano Crypto Challenges. I did and they are awesome.


Oct
19
comment The virial theorem and a delta function potential
I'm not sure, but if you want a derivative of delta-function, you need to integrate your virial theorem over the space also. Then using integration by part the right hand side will be equal $-D V_0$.
May
3
comment Correlated three-particle Green Function
@Slaviks It's annihilation-creation operator pairs, so there is just two of them.
Apr
29
comment Matrix representation for fermionic annihilation operator
So I should change my states to |n>*|spin> in order to make proper operators?
Apr
28
comment Matrix representation for fermionic annihilation operator
@PeterKravchuk I hope now it's more clear.
Oct
4
comment Will quantum computers ever work?
@MBN That's very unlikely. I can't imagine why would they create such sophisticated hoax.