3 papers
gr-qc2025
An Extended Second Law of Thermodynamics
Alejandro Corichi, Omar Gallegos
The second law of thermodynamics constitutes a fundamental principle of physics, precluding the existence of perpetual motion machines and providing a natural definition of the arr…
gr-qc2025
Entropy in Loop Quantum Cosmology
Alejandro Corichi, Omar Gallegos
The Generalized First Law (GFL) and the Generalized Second Law (GSL) of thermodynamics are studied for cosmological scenarios with spatial curvature through an apparent horizon. We…
gr-qc2025
On covariant and canonical Hamiltonian formalisms: Weakly Isolated Horizons
Alejandro Corichi, Juan D. Reyes, Tatjana Vukasinac
The Hamiltonian description of classical gauge theories is a well studied subject. The two best known approaches, namely the covariant and canonical Hamiltonian formalisms have rec…