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85 papers · 1 filter
Constraint effective action and critical correlation functions at fixed magnetization
Félix Rose, Adam Rançon, Ivan Balog
We present an extension of the functional renormalization group (FRG) framework developed to compute critical probability distributions of the order parameter to momentum-dependent…
Simulating generalised fluids via interacting wave packets evolution
Andrew Urilyon, Leonardo Biagetti, Jitendra Kethepalli +1
One-dimensional integrable and quasi-integrable systems display, on macroscopic scales, a universal form of transport known as Generalized Hydrodynamics (GHD). In its standard Eule…
Diffusive hydrodynamics of hard rods from microscopics
Friedrich Hübner, Leonardo Biagetti, Jacopo De Nardis +1
We derive exact equations governing the large-scale dynamics of hard rods, including diffusive effects that go beyond ballistic transport. Diffusive corrections are the first-order…
Measurement-Induced Phase Transition in State Estimation of Chaotic Systems and the Directed Polymer
Federico Gerbino, Guido Giachetti, Pierre Le Doussal +1
We introduce a solvable model of a measurement-induced phase transition (MIPT) in a deterministic but chaotic dynamical system with a positive Lyapunov exponent. In this setup, an…
One-body correlations and momentum distributions of trapped one-dimensional Bose gases at finite temperature
Attila Takács, Yicheng Zhang, Pasquale Calabrese +3
We introduce a general approximate method for calculating the one-body correlations and the momentum distributions of one-dimensional Bose gases at finite interaction strengths and…
Quantum fluctuating theory for one-dimensional shock waves
Andrew Urilyon, Stefano Scopa, Giuseppe Del Vecchio Del Vecchio +1
We study the formation and the subsequent dynamics of shock waves in repulsive one-dimensional Bose gases during the free expansion of a density hump. By building coherent Fermi st…