Padmanabhan, T.2012-03-032012-03-031985-06-12http://hdl.handle.net/11007/190Vacuum fluctuation in the Einstein's elevator (which mimics a constant gravitational field) is analysed without introducing a plethora of extraneous vacuum states. In the elevator there is no particle creation, through the vacuum appears polarized.enEinstein's elevatorVacuum fluctuationParticle creationGravitationArticle