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The Quantum Vacuum and the Cosmological Constant Problem
Quantum Field Theory Vacuum Cosmological Constant
2008/4/21
The cosmological constant problem arises at the
intersection between general relativity and quantum field theory, and is regarded as a fundamental problem in modern physics. In this paper we describe...
According to conventional wisdom, local gauge symmetry is not a symmetry of nature, but an artifact of how our theories represent nature. But a study of the so-called theta-vacuum appears to refute th...