activity
20152026
most citedThermodynamic Equilibrium as a Symmetry of the Schwinger-Keldysh Action

111 citations · 177 across the 17 of their papers we have counts for

collaborators

18 papers

cond-mat.stat-mech2026

Overcoming critical slowing down in frustrated spin systems by learned multiscale sampling

Gabriele Bandini, Giulio Biroli, Patrick Charbonneau +1

Cluster algorithms, such as the Swendsen--Wang and Wolff methods, are among the most successful MCMC methods for mitigating critical slowing down in statistical systems. These cons…

cond-mat.stat-mech2026

Gravity-controlled non-equilibrium Casimir pressure in a binary liquid mixture

Marcin Piotr Pruszczyk, Roberto Cerbino, Andrea Gambassi

We investigate the non-equilibrium Casimir pressure in an isothermal binary liquid mixture maintained in a spatially constant and stationary concentration gradient parallel to grav…

cond-mat.stat-mech2026

Self-propulsion of a polaron with an oscillating coupling to its quantum bath

Jacopo Romano, Andrea Gambassi

Motivated by the quest for active quantum matter, we investigate the dynamics of an impurity immersed in a quantum gas -- a polaron -- whose coupling to the surrounding medium is p…

cond-mat.soft2026

Stochastic dynamics of particles in correlated fields

Andrea Gambassi

The effective dynamics of a colloidal particle immersed in a complex medium at equilibrium is usually described in terms of a linear overdamped Langevin equation, possibly with mem…

cond-mat.stat-mech2026

Proactivity and pinning in the non-reciprocal XY model with vision anisotropy

Gabriele Bandini, Asja Jelic, Andrea Gambassi

We study a non-reciprocal XY model on a square lattice, in which spins interact with their nearest neighbors through vision-induced anisotropic interaction. Such anisotropy breaks…

cond-mat.stat-mech2026

Dephasing-induced relaxation in tight-binding chains with linear and nonlinear defects

Debraj Das, Andrea Gambassi, Stefano Iubini +1

We investigate thermalization in a tight-binding chain with an on-site defect subject to local dephasing noise implemented as random phase kicks. For a single linear defect of stre…

cond-mat.stat-mech2025

Dynamics of a tracer trapped in a correlated medium in the presence of a wall

Marcin Piotr Pruszczyk, Andrea Gambassi

We describe the random motion of a particle immersed in a thermally fluctuating medium and harmonically trapped at a certain distance from a wall. The medium, modeled by a Gaussian…

cond-mat.stat-mech2025

Anomalous diffusion and run-and-tumble motion of a chemotactic particle in low dimensions

Jacopo Romano, Andrea Gambassi

We study the stochastic dynamics of a symmetric self-chemotactic particle and determine the long-time behavior of its mean squared displacement (MSD). The attractive or repulsive i…

cond-mat.stat-mech2025★ 1 cited

Recoil of a driven tracer in a correlated medium

Marcin Piotr Pruszczyk, Davide Venturelli, Andrea Gambassi

We study the stochastic dynamics of a Brownian particle after it is suddenly released from a harmonic trap moving with constant velocity through a fluctuating correlated medium, de…

cond-mat.soft2025★ 3 cited

Structure and dynamics of a Rouse polymer in a fluctuating correlated medium

Pietro Luigi Muzzeddu, Davide Venturelli, Andrea Gambassi

We study the static and dynamical properties of a harmonically confined Rouse polymer coupled to a fluctuating correlated medium, which affect each other reciprocally during their…

cond-mat.stat-mech2024★ 7 cited

The XY model with vision cone: non-reciprocal vs. reciprocal interactions

Gabriele Bandini, Davide Venturelli, Sarah A. M. Loos +2

We study the behavior of the classical XY model on a two-dimensional square lattice, with interactions occurring within a vision cone of each spin. Via Monte Carlo simulations, we…

cond-mat.stat-mech2024

Self-diffusion anomalies of an odd tracer in soft-core media

Pietro Luigi Muzzeddu, Erik Kalz, Andrea Gambassi +2

Odd-diffusive systems, characterised by broken time-reversal and/or parity symmetry, have recently been shown to display counterintuitive features such as interaction-enhanced dyna…

cond-mat.stat-mech2024★ 7 cited

Principal component analysis of absorbing state phase transitions

Cristiano Muzzi, Ronald Santiago Cortes, Devendra Singh Bhakuni +4

We perform a principal component analysis (PCA) of two one-dimensional lattice models belonging to distinct nonequilibrium universality classes - directed bond percolation and bran…

cond-mat.soft2024

Migration and separation of polymers in non-uniform active baths

Pietro Luigi Muzzeddu, Andrea Gambassi, Jens-Uwe Sommer +1

Polymer-like structures are ubiquitous in nature and synthetic materials. Their configurational and migration properties are often affected by crowded environments leading to non-t…

cond-mat.stat-mech2023★ 5 cited

A Unified Interface Model for Dissipative Transport of Bosons and Fermions

Y. Minoguchi, J. Huber, L. Garbe +2

We study the directed transport of bosons along a one dimensional lattice in a dissipative setting, where the hopping is only facilitated by coupling to a Markovian reservoir. By c…

cond-mat.stat-mech2022★ 20 cited

Dynamics of a colloidal particle coupled to a Gaussian field: from a confinement-dependent to a non-linear memory

U. Basu, V. Démery, A. Gambassi

The effective dynamics of a colloidal particle immersed in a complex medium is often described in terms of an overdamped linear Langevin equation for its velocity with a memory ker…

cond-mat.stat-mech2022★ 23 cited

Modelling Active Non-Markovian Oscillations

Gennaro Tucci, Édgar Roldán, Andrea Gambassi +4

Modelling noisy oscillations of active systems is one of the current challenges in physics and biology. Because the physical mechanisms of such processes are often difficult to ide…

cond-mat.stat-mech2015★ 111 cited

Thermodynamic Equilibrium as a Symmetry of the Schwinger-Keldysh Action

L. M. Sieberer, A. Chiocchetta, A. Gambassi +2

The time evolution of an extended quantum system can be theoretically described in terms of the Schwinger-Keldysh functional integral formalism, whose action conveniently encodes t…