Photon Radiation-Pressure (R-P) in Laser Light Reflectivity off Liquid-Metals (L-M) through Solid Metals Melting-Points and Liquid Metals Vaporization Points PhotoAcoustics (P-A) of Burst-Acoustic Emission (BAE) : Laser-Light Vaporization of Liquid-Metals

Plasma-production in laser melting/welding/cutting of metals/alloys via photon radiation-pressure in laser-light Drude-theory reflectivity off liquid-metals/alloys through solid/metals/alloys melting point and liquid metals/alloys vaporization-points with photo acoustics of Siegel BAE[“BAE Measurement of Creep-Plasticity”, Phys.Stat.Sol. (72)”-2 papers;”BAE Bauschinger-Effect Plasticity Hysteresis”:IEEE Ultrasonics Symp., Monterrey (73);Acta Metalurgica (77)]BAE laser-light photo vaporization to plasma-state of liquid-metals/alloys into metal/alloy plasmas production computation via Siegel[J.Non-Xline Solids 40,453 (80)] (G…P) ontology explicitly for optical-phonons/polaritons embodying Noether’s-theorem (N-T) ontology within Siegel[Symp. on Fractals, MRS Fall Mtg., Boston (89)-6 papers] agree with experimental plasma-production during laser-melting/welding/cutting of metals/alloys via very first Siegel/Gregson/G.M.-Valcartier (70-73) CO2-TEA laser. Siegel-Percus-Yevick (SPY)[Phys./Chem. Liquids (75);ibid. (76) theory agrees with experiments in laser metal/alloy melting/welding/cutting as implemented in G.M. manufacturing-practices at several G.M. divisions!: “Et Lux Perpetua Luceat Eis”!