On the energy of physical states in QED in the convariant gauge

2007/05/21 by Dan Solomon, Solomon, Dan
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #Quantum Chromodynamics and Particle Interactions #Quantum Physics (quant-ph) #Quantum chaos and dynamical systems

paper · pdf · doi:10.48550/arxiv.0705.2979

openalex publication_date 2007/05/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In quantum field theory it is generally assumed that there is a lower bound to the energy of a quantum state. Here, it will be shown that there is no lower bound to the energy of physical states in QED in a manifestly covariant gauge.

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