EINSTEIN Y LA COSMOLOGÍA DEL SIGLO XXI
Abstract
Para resolver las ecuaciones de campo de la teoría general de la relatividad, Einstein introdujo, en 1917, la repulsión cosmológica gravitacional por medio de la “constante cosmológica lambda”. Dicha constante modifica la ley de la gravitación con un término de repulsión que, a grandes distancias, puede contrarrestar la atracción gravitacional. Asimismo le permitió encontrar solución a las ecuaciones de campo, según la cual el universo permanecería casi estático, como se creía en esa época.
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