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0answers
79 views

Thermal radiation in the Unruh Effect

The following formula has been given in 't Hooft's black holes notes ($|\Omega \rangle$ is the vacuum state of Minkowski space, O is a operator): $$\langle \Omega| O|\Omega \rangle = \sum_{n \ge 0} ...
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0answers
134 views

Fourier mode expansion of the scalar field in Rindler space - Unruh effect

I am reading 't Hooft's notes on Black Holes. In the section on Unruh effect, he says: Please see this question for what is $K$ and $\mu$. I am not being able to make any sense of equation? What is ...
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268 views

Solving Klein-Gordon equation in the Rindler coordinates - the Unruh effect

I am reading 't Hooft's notes on Black Holes. I want to find the solutions of the Klein-Gordon equation $(\tilde{x},\tilde{y}, \rho, \tau)$ in the Rindler coordinates which are $$x=\tilde{x}\,\,\,\,\ ...