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Using Berry's phase to detect the Unruh effect at lower accelerations
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We show that a detector acquires a Berry phase due to its motion in spacetime. The phase is different in the inertial and accelerated case as a direct consequence of the Unruh effect. We exploit this fact to design a novel method to measure the Unruh effect. Surprisingly, the effect is detectable for accelerations 10^9 times smaller than previous proposals sustained only for times of nanoseconds.
Forward citations
Cited by 4 Pith papers
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Testing Superpositions of Detector Trajectories
Proposes using split laser beams on a pancake BEC and heterodyning to make the response function of a superposed Unruh-deWitt detector appear in the difference photocurrent power spectrum, with SNR estimates using squ...
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Can a quantum circuit detect the Unruh effect?
A frequency-chirped fluxonium Λ-system is predicted to accumulate a geometric phase from the timelike Unruh effect, shifting its ground-state population by ~10% within 530 ns.
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Probing Unruh Effect from Enhanced Decoherence
Decoherence rate of an Unruh-DeWitt detector scales as a^{2Δ-1} in the long-time limit, increasing with the scaling dimension Δ of the coupled field and offering a more sensitive probe of the Unruh effect.
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Detecting the Unruh Effect via an Engineered Low-Mass Field in a Superconducting Qubit
Excitation of massive fields by the Unruh bath is exponentially suppressed when Mc² ≫ ℏa/c; the proposed superconducting-circuit analog with effective mass ℏωr predicts Pe ≈ Sδω.
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