Patil, S. H. Quadrupolar, triple \(\delta \)-function potential in one dimension. (English) Zbl 1173.81311 Eur. J. Phys. 30, No. 3, 629-640 (2009). MSC: 81Q05 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 30, No. 3, 629--640 (2009; Zbl 1173.81311) Full Text: DOI
Patil, S. H. The helium atom and isoelectronic ions in two dimensions. (English) Zbl 1140.81466 Eur. J. Phys. 29, No. 3, 517-525 (2008). MSC: 81V45 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 29, No. 3, 517--525 (2008; Zbl 1140.81466) Full Text: DOI
Patil, S. H. Harmonic oscillator with a \(\delta\)-function potential. (English) Zbl 1095.81024 Eur. J. Phys. 27, No. 4, 899-911 (2006). MSC: 81Q05 81Q20 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 27, No. 4, 899--911 (2006; Zbl 1095.81024) Full Text: DOI
Patil, S. H. A variational approach to perturbative calculations. (English) Zbl 1061.81522 Eur. J. Phys. 26, No. 1, 65-73 (2005). MSC: 81Q15 49S05 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 26, No. 1, 65--73 (2005; Zbl 1061.81522) Full Text: DOI
Patil, S. H. Electron correlation in He and isoelectronic ions. (English) Zbl 1057.81589 Eur. J. Phys. 25, No. 1, 91-100 (2004). MSC: 81V55 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 25, No. 1, 91--100 (2004; Zbl 1057.81589) Full Text: DOI
Patil, S. H. Coalescence and inflection properties of Coulomb wavefunctions. (English) Zbl 0992.81101 Eur. J. Phys. 23, No. 2, 213-223 (2002). MSC: 81V45 81Q05 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 23, No. 2, 213--223 (2002; Zbl 0992.81101) Full Text: DOI
Patil, S. H. WKB calculation of the excited \((1\text{s})(n\text{s})\) state energies of the He isoelectronic sequence. (English) Zbl 0943.81011 Eur. J. Phys. 20, No. 2, 105-108 (1999). MSC: 81Q20 81Q15 PDFBibTeX XMLCite \textit{S. H. Patil}, Eur. J. Phys. 20, No. 2, 105--108 (1999; Zbl 0943.81011) Full Text: DOI