59 citations · 282 across the 16 of their papers we have counts for
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quant-ph2014★ 33 cited
Analytic solutions of the quantum two-state problem in terms of the double-, bi- and tri-confluent Heun functions
T. A. Shahverdyan, T. A. Ishkhanyan, A. E. Grigoryan +1
We derive five classes of quantum time-dependent two-state models solvable in terms of the double confluent Heun functions, five other classes solvable in terms of the biconfluent…
quant-ph2014★ 47 cited
Thirty five classes of solutions of the quantum time-dependent two-state problem in terms of the general Heun functions
A. M. Ishkhanyan, T. A. Shahverdyan, T. A. Ishkhanyan
We derive 35 five-parametric classes of the quantum time-dependent two-state models solvable in terms of the general Heun functions. Each of the classes is defined by a pair of gen…