A quadratically coupled accelerated Unruh-DeWitt detector shows transition rates and quantum-information degradation enhanced by a factor (1+a^2)/12π^2 relative to linear coupling, under an equal-dimensionless-constant comparison.
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On the information behavior from quadratically coupled accelerated detectors
A quadratically coupled accelerated Unruh-DeWitt detector shows transition rates and quantum-information degradation enhanced by a factor (1+a^2)/12π^2 relative to linear coupling, under an equal-dimensionless-constant comparison.