2 papers
hep-th2025
Practical Introduction to Action-Dependent Field Theories
Manuel de León, Jordi Gaset RifÃ, Miguel C. Muñoz-Lecanda +2
Action-dependent field theories are systems where the Lagrangian or Hamiltonian depends on new variables that encode the action. They model a larger class of field theories, includ…
math-ph2025
Symmetries and Noether's theorem for multicontact field theories
Xavier Rivas, Narciso Román-Roy, Bartosz M. Zawora
A geometric framework, called multicontact geometry, has recently been developed to study action-dependent field theories. In this work, we use this framework to analyze symmetries…