no code implementations • 4 Feb 2021 • Giuseppe Di Giulio, Erik Tonni
We study the temporal evolution of the circuit complexity for a subsystem in harmonic lattices after a global quantum quench of the mass parameter, choosing the initial reduced density matrix as the reference state.
High Energy Physics - Theory Statistical Mechanics Quantum Physics
no code implementations • 2 Dec 2020 • Mihail Mintchev, Erik Tonni
We study the massless Dirac field on the line in the presence of a point-like defect characterised by a unitary scattering matrix, that allows both reflection and transmission.
High Energy Physics - Theory Statistical Mechanics Mathematical Physics Mathematical Physics
1 code implementation • 1 Jul 2008 • Riccardo Rattazzi, Vyacheslav S. Rychkov, Erik Tonni, Alessandro Vichi
We use our method to derive an analogous bound in 2D, and check that the Minimal Models satisfy the bound, with the Ising model nearly-saturating it.
High Energy Physics - Theory High Energy Physics - Phenomenology
