Andrey M. Pupasov

3 Questions 10 Answers 0 Followers

Questions related from Andrey M. Pupasov

How to find numerically spectrum of the one-dimensional stationary Schrodinger equation with a quasi-periodic potential?

For instance, if potential V(x)=V1(x)+V2(x), where V1(x+L1)=V1(x), V2(x+L2)=V2(x), and L2/L1 is an irational number.

06 June 2017 8,675 2 View

What is the analytical expression of the quasi-momentum (a Floquet exponent) in the case of the single-zone potential?

Consider the inverse spectral problem in the case of one dimensional Schrodinger equation with a periodic potential. It is well known how to restore the potential from a total set of spectral data...

03 March 2014 8,407 6 View

Hermicity of spin-orbital interaction in the case of slowly varying fields

I'm puzzling with the following contradiction in the quantum description of electron in electro-magnetic fields. Performing Foldy-Wouthuysen transformation of the Dirac equation (with arbitrary...

01 January 2014 5,271 5 View