Electron Bubble - Footnotes

Footnotes

• 1. G. Ramanan and Gordon R. Freeman (1990). "Electron Mobilities in Low Density Helium and Nitrogen Gases". Journal of Chemical Physics 93 (5): 3120. Bibcode 1990JChPh..93.3120R. doi:10.1063/1.459675.
• 2. C. G. Kuper (1961). "Theory of Negative Ions in Liquid Helium". Physical Review 122 (4): 1007. Bibcode 1961PhRv..122.1007K. doi:10.1103/PhysRev.122.1007.
• 3. W. T. Sommer (1964). "Liquid Helium as a Barrier to Electrons". Physical Review Letters 12 (11): 271–273. Bibcode 1964PhRvL..12..271S. doi:10.1103/PhysRevLett.12.271.
• 4. M. A. Woolf and G. W. Rayfield (1965). "Energy of Negative Ions in Liquid Helium by Photoelectric Emission". Physical Review Letters 15 (6): 235. Bibcode 1965PhRvL..15..235W. doi:10.1103/PhysRevLett.15.235.
• 5. P. Grinfeld and H. Kojima (2003). "Instability of the 2S Electron Bubbles". Physical Review Letters 91 (10): 105301. Bibcode 2003PhRvL..91j5301G. doi:10.1103/PhysRevLett.91.105301.