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hep-th2025
Emergence of General Relativity from Cosmological Constant Via Ghost Condensation
Ichiro Oda
We show that starting with a cosmological constant in a curved space-time, the Einstein-Hilbert term of general relativity is generated through a ghost condensation. We fix Weyl sy…
hep-th2025
Vanishing Metric Commutation Relation and Higher-derivative De Donder Gauge in Quadratic Gravity
Ichiro Oda
We show that the equal-time commutation relations (ETCRs) among the time derivatives of the metric tensor identically vanish in the higher-derivative de Donder gauge as well as the…
hep-th2025
Manifestly Covariant Canonical Formalism of Quadratic Gravity
Ichiro Oda
We present the manifestly covariant quantization of quadratic gravity or higher-derivative gravity in the de Donder gauge condition (or harmonic gauge condition) for general coordi…