Klein Paradox Re-examined with Quantum Field Theory

Research Paper#Quantum Field Theory, Klein Paradox🔬 Research|Analyzed: Jan 3, 2026 16:39
Published: Dec 31, 2025 10:35
1 min read
ArXiv

Analysis

This paper provides a quantum field theory perspective on the Klein paradox, a phenomenon where particles can tunnel through a potential barrier with seemingly paradoxical behavior. The authors analyze the particle current induced by a strong electric potential, considering different scenarios like constant, rapidly switched-on, and finite-duration potentials. The work clarifies the behavior of particle currents and offers a physical interpretation, contributing to a deeper understanding of quantum field theory in extreme conditions.
Reference / Citation
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"The paper calculates the expectation value of the particle current induced by a strong step-like electric potential in 1+1 dimensions, and recovers the standard current in various scenarios."
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ArXivDec 31, 2025 10:35
* Cited for critical analysis under Article 32.