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visits member for 2 years, 1 month
seen Nov 13 at 4:50

Sep
7
revised Mathieu function rescale problem
added 556 characters in body
Sep
4
awarded  Tumbleweed
Sep
1
asked Mathieu function rescale problem
Aug
28
asked Mathieu characteristic function for non integer value in Maple
Aug
28
comment Limit of Mathieu function near the discontinuous point
@mike I plotted also using Mathematica, see the update.
Aug
28
comment Limit of Mathieu function near the discontinuous point
@Semiclassical Thanks for the suggestion, I added more details.
Aug
28
revised Limit of Mathieu function near the discontinuous point
added 78 characters in body
Aug
27
revised Limit of Mathieu function near the discontinuous point
added 455 characters in body
Aug
27
asked Limit of Mathieu function near the discontinuous point
Aug
14
revised How to solve a time-dependent Schrodinger equation in periodic Dirac delta potential
added 88 characters in body
Jul
2
awarded  Curious
Jun
16
comment How to solve a time-dependent Schrodinger equation in periodic Dirac delta potential
@Winther The Bloch's theorem is essentially the Floquet theory. By adding a harmonic time-dependent term, the system is both periodic in space and time, and seems to be more symmetric. I was wondering if there was some techniques to combine the Floquet theory and the Bloch theory to deal with this equation.
Jun
11
awarded  Promoter
Jun
11
revised How to solve a time-dependent Schrodinger equation in periodic Dirac delta potential
added 65 characters in body
Jun
10
comment How to solve a time-dependent Schrodinger equation in periodic Dirac delta potential
@mike Thanks, but I guess the difficult part is the time-dependence. The time-independent problem can be solved using ODE technics.
Jun
9
awarded  Yearling
Jun
9
asked How to solve a time-dependent Schrodinger equation in periodic Dirac delta potential
May
29
comment Plotting the frequency spectrum of a signal
For understanding Fourier transform, this may help.
May
14
comment How to find the asymptotic behavior of this function
Thanks :) Sorry for stupid question.
May
14
comment How to find the asymptotic behavior of this function
Thanks a lot, but how do you determine that "the second term is $O(1)$"?