Unruh effect as a result of quantization of spacetime
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2018
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A way to encode acceleration directly into fields has recently being proposed, thus establishing a new
kind of fields, the accelerated fields. The definition of accelerated fields points to the quantization of
space and time, analogously to the way quantities like energy and momentum are quantized in usual
quantum field theories. Unruh effect has been studied in connection with quantum field theory in
curved spacetime and it is described by recruiting a uniformly accelerated observer. In this work, as
a first attempt to demonstrate the utility of accelerated fields, we present an alternative way to derive
Unruh effect. We show, by studying quantum field theory on quantum spacetime, that Unruh effect can
be obtained without changing the reference frame. Thus, in the framework of accelerated fields, the
observational confirmation of Unruh effect could be assigned to the existence of quantum properties of
spacetime
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CÉLERI, Lucas C.; KIOSSES, Vasileios I. Unruh effect as a result of quantization of spacetime. Physics Letters B, Amsterdam, v. 781, p. 611-615, 2018. DOI: 10.1016/j.physletb.2018.04.050. Disponível em: https://www.sciencedirect.com/science/article/pii/S0370269318303447. Acesso em: 2 maio 2023.