NON-EXISTENCE OF BOUND STATES WITH POSITIVE ENERGY

[1] THE REDUCED WAVE EQUATION IN A MEDIUM WITH A VARIABLE INDEX OF REFRACTION [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1957, 10 (04) : 491 - 502

[2] von Neumann J, 1929, PHYS Z, V30, P467

[3] HALBBESCHRANKTE PARTIELLE DIFFERENTIALOPERATOREN ZWEITER ORDNUNG VOM ELLIPTISCHEN TYPUS [J]. MATHEMATISCHE ANNALEN, 1958, 135 (01) : 50 - 80

[4] [No title captured]

[1] THE REDUCED WAVE EQUATION IN A MEDIUM WITH A VARIABLE INDEX OF REFRACTION [J]. COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1957, 10 (04) : 491 - 502

[2] von Neumann J, 1929, PHYS Z, V30, P467

[3] HALBBESCHRANKTE PARTIELLE DIFFERENTIALOPERATOREN ZWEITER ORDNUNG VOM ELLIPTISCHEN TYPUS [J]. MATHEMATISCHE ANNALEN, 1958, 135 (01) : 50 - 80

[4] [No title captured]