# Landau theory for non-equilibrium steady states

@article{Aron2020LandauTF, title={Landau theory for non-equilibrium steady states}, author={Camille Aron and Claudio Chamon}, journal={SciPost Physics}, year={2020} }

We examine how non-equilibrium steady states close to a continuous phase transition can still be described by a Landau potential if one forgoes the assumption of analyticity. In a system simultaneously coupled to several baths at different temperatures, the non-analytic potential arises from the different density of states of the baths.
In periodically driven-dissipative systems, the role of multiple baths is played by a single bath transferring energy at different harmonics of the driving…

## 5 Citations

### Nonanalytic nonequilibrium field theory: Stochastic reheating of the Ising model

- PhysicsPhysical Review Research
- 2020

Many-body non-equilibrium steady states can still be described by a Landau-Ginzburg theory if one allows non-analytic terms in the potential. We substantiate this claim by working out the case of the…

### Chiral metals and entrapped insulators in a one-dimensional topological non-Hermitian system

- PhysicsPhysical Review B
- 2022

In this work we study many-body ‘steady states’ that arise in the non-Hermitian generalisation of the non-interacting Su-Schrieﬀer-Heeger model at a ﬁnite density of fermions. We ﬁnd that the…

### Control of cell state transitions

- Biology, Computer ScienceNature
- 2022

The ability of cSTAR to identify targeted perturbations that interconvert cell fates will enable designer approaches for manipulating cellular development pathways and mechanistically underpinned therapeutic interventions.

### Disentangling representations in Restricted Boltzmann Machines without adversaries

- Computer ScienceArXiv
- 2022

This work proposes a simple, eﬀective way of disentangling representations without any need to train adversarial discriminators, and applies this approach to Restricted Boltzmann Machines (RBM), one of the simplest representation-based generative models.

### Landau theory for finite-time dynamical phase transitions

- Physics
- 2022

. We study the time evolution of thermodynamic observables after an instantaneous temperature quench. Combining tools from stochastic thermodynamics and large-deviation theory, we develop a powerful…

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