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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/12412
Particle creation in a colliding plane wave spacetime: Wave packet quantization
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We use wave packet mode quantization to compute the creation of massless scalar quantum particles in a colliding plane wave spacetime. The background spacetime represents the collision of two gravitational shock waves followed by trailing gravitational radiation which focus into a Killing-Cauchy horizon. The use of wave packet modes simplifies the problem of mode propagation through the different spacetime regions which was previously studied with the use of monochromatic modes. It is found that the number of particles created in a given wave packet mode has a thermal spectrum with a temperature which is inversely proportional to the focusing time of the plane waves and which depends on the mode trajectory.
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DORCA I CALLAO, Miquel, VERDAGUER OMS, Enric. Particle creation in a colliding plane wave spacetime: Wave packet quantization. _Physical Review D_. 1994. Vol. 50, núm. 4, pàgs. 2631-2644. [consulta: 21 de gener de 2026]. ISSN: 0556-2821. [Disponible a: https://hdl.handle.net/2445/12412]