London: Macmillan, 1960. 1st Edition. FIRST EDITION, full volume, OF A “SEMINAL” HERMANN BONDI PAPER PRESENTING “A NEW APPROACH TO THE STUDY OF GRAVITATIONAL WAVES IN EINSTEIN’S THEORY OF GENERAL RELATIVITY” (Mädler, Bondi-Sachs Formalism, 2). Bondi’s new approach was based upon the outgoing null rays along which the waves traveled.
In 1957 Bondi firmly established the physical reality of gravitational waves. [We offer this paper separately]. Gravitational waves, or ripples in the fabric of spacetime, were first predicted by Einstein’s 1916 general theory of relativity. While Bondi’s paper established their physical reality, two papers from the early 1960s – the one offered here and another that we offer separately-- put "their physical properties such as energy and momentum flux on a rigorous mathematical footing” that had been lacking (Denef, Science, Feb. 2016). In February 2016, the September 2015 detection of gravitational waves – waves first predicted by Einstein over a hundred years ago – was announced.
“The Bondi-Sachs formalism of General Relativity is a metric-based treatment of the Einstein equations in which the coordinates are adapted to the null geodesics of the spacetime. It provided the first convincing evidence that that mass loss due to gravitational radiation is a nonlinear effect of general relativity and that the emission of gravitational waves from an isolated system is accompanied by a mass loss from the system. The asymptotic behaviour of the Bondi-Sachs metric revealed the existence of the symmetry group at null infinity, the Bondi-Metzner-Sachs group, which turned out to be larger than the Poincare group” (ibid., 1). NOTE: We offer other works by Bondi separately. Item #1222
CONDITION & DETAILS: Complete. Full volume. 4to (Quarto). A few small interior ‘Aquatic Research Center’ stamps; minimal; no exterior markings at all. 10.5 x 8 inches (263 x 200mm). [xci], 1076, . In text illustrations and photos throughout. Tightly bound in half blue calf, gilt-lettered. Lightly rubbed edges. The endpapers are toned, but otherwise the interior is very bright and clean throughout. Near fine.