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4 papers · 2 filters
Operator-algebraic construction of the deformed Sine-Gordon model
Daniela Cadamuro
We consider the construction of integrable quantum field theories in the operator-algebraic approach, which is based on quantum fields localized in infinitely extended wedge region…
Revisiting the Casimir Energy with General Boundary Conditions, and applications in 1D Crystals
J. M. Muñoz-Castañeda, M. Bordag, L. Santamaría-Sanz
We obtain new expressions for the Casimir energy between plates that are mimicked by the most general possible boundary conditions allowed by the principles of quantum field theory…
Stationary Spacetimes and Self-Adjointness in Klein-Gordon Theory
Felix Finster, Albert Much, Robert Oeckl
We consider the problem of essential self-adjointness of the spatial part of the Klein-Gordon operator in stationary spacetimes. This operator is shown to be a Laplace-Beltrami typ…
Canonical divergence for measuring classical and quantum complexity
Domenico Felice, Stefano Mancini, Nihat Ay
A new canonical divergence is put forward for generalizing an information-geometric measure of complexity for both, classical and quantum systems. On the simplex of probability mea…