Sarvesh Kumar

3 Questions 6 Answers 0 Followers

Questions related from Sarvesh Kumar

Why imaginary part of electrical permittivity is negative for gain mediums like lasers or masers?

I'm trying to understand that why gain mediums have negative electrical permittivity. Imaginary part of the electrical permittivity is positive for loss mediums in sign convention where time...

04 May 2023 6,861 4 View

How can we implement TF-SF on a second order Maxwell-Helmholtz differential equation in FDTD method?

Hi, I have written a code for solving the second-order Helmholtz-Maxwell electromagnetic equation using finite-difference time-domain (FDTD) method. There is not much material available online for...

18 June 2022 3,333 6 View

What is the iop keyword to print the Hamiltonian and overlap matrix in output file in Gaussian?

Hello everyone, earlier I was using the Gaussian 03 and there I used to include the keyword IOP(5/33=3,3/33=1) to print the Hamiltonian and overlap matrix in output file. But, recently I have...

16 February 2016 1,741 1 View