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Entropy Suppression through Quantum Interference in Electric Pulses

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arxiv 2211.13347 v1 pith:Z6BWKHXP submitted 2022-11-23 hep-ph hep-thnucl-thquant-ph

Entropy Suppression through Quantum Interference in Electric Pulses

classification hep-ph hep-thnucl-thquant-ph
keywords quantumentropyelectricinterferenceantiparticlesentanglementparticlespulses
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The Schwinger process in strong electric fields creates particles and antiparticles that are entangled. The entropy of entanglement between particles and antiparticles has been found to be equal to the statistical Gibbs entropy of the produced system. Here we study the effect of quantum interference in sequences of electric pulses, and show that quantum interference suppresses the entanglement entropy of the created quantum state. This is potentially relevant to quantum-enhanced classical communications. Our results can be extended to a wide variety of two-level quantum systems.

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