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.
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Cited by 4 Pith papers
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Testing Superpositions of Detector Trajectories
Proposes an optical beamsplitter setup with a BEC to make the response function of a superposed Unruh-DeWitt detector appear in the difference photocurrent power spectrum, with SNR greater than or equal to 10 using sq...
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Cavity-controlled Inhibition of Decoherence in Accelerated Quantum Detectors
Moderate acceleration of an Unruh-DeWitt detector in a cylindrical cavity suppresses decoherence more effectively than the inertial case by smearing resonant modes and replacing off-resonant decay with oscillations.
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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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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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