Quantum trajectory phase transitions in the micromaser

Abstract

We study the dynamics of the single atom maser, or micromaser, by means of the recently introduced method of thermodynamics of quantum jump trajectories. We find that the dynamics of the micromaser displays multiple space-time phase transitions, i.e., phase transitions in ensembles of quantum jump trajectories. This rich dynamical phase structure becomes apparent when trajectories are classified by dynamical observables that quantify dynamical activity, such as the number of atoms that have changed state while traversing the cavity. The space-time transitions can be either first-order or continuous, and are controlled not just by standard parameters of the micromaser but also by non-equilibrium "counting" fields. We discuss how the dynamical phase behavior relates to the better known stationary state properties of the micromaser.

7 pages, 5 figures

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• Nonequilibrium Markov processes conditioned on large deviations
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• A minimal model of dynamical phase transition
• Harnessing symmetry to control quantum transport
• Theory of classical metastability in open quantum systems
• Fluctuating observation time ensembles in the thermodynamics of trajectories
• Stochastic Quantum Zeno by Large Deviation Theory
• Thermodynamics of Quadrature Trajectories in Open Quantum Systems
• Daemonic ergotropy in continuously-monitored open quantum batteries
• Time-integrated observables as order parameters for dynamical phase transitions in closed quantum systems
• Order and symmetry-breaking in the fluctuations of driven systems
• Sampling rare events across dynamical phase transitions
• Sanov and Central Limit Theorems for output statistics of quantum Markov chains
• Phase Transitions in Trajectories of a Superconducting Single-Electron Transistor Coupled to a Resonator
• Intermittency and dynamical Lee-Yang zeros of open quantum systems
• Trajectory phase transitions and dynamical Lee-Yang zeros of the Glauber-Ising chain
• Asymptotic inference in system identification for the atom maser
• A generic map from non-Lindblad to Lindblad master equations
• A generalized fluctuation relation for power-law distributions
• Experimental simulation of daemonic work extraction in open quantum batteries on a digital quantum computer
• The kinetic exclusion process: a tale of two fields
• Coupled activity-current fluctuations in open quantum systems under strong symmetries
• Dynamical criticality in open systems: non-perturbative physics, microscopic origin and direct observation
• Quantum jumps in driven-dissipative disordered many-body systems
• Localisation in space and time in disordered-lattice open quantum dynamics
• Spectral signatures of symmetry-breaking dynamical phase transitions
• Microscopic biasing of discrete-time quantum trajectories
• Dynamical symmetries and crossovers in a three-spin system with collective dissipation
• Nonequilibrium phase transition in a single-electron micromaser
• Quantum jump statistics with a shifted jump operator in a chiral waveguide
• Dynamical transitions in Markovian exciton transport
• Large Deviations, Central Limit and dynamical phase transitions in the atom maser
• Maximum likelihood versus likelihood-free quantum system identification in the atom maser
• Meta-work and the analogous Jarzynski relation in ensembles of dynamical trajectories
• Measurement-feedback control of chiral photon emission from an atom chain into a nanofiber
• Auxiliary open quantum system for the Floquet quantum master equation
• Witnessing non-classicality through large deviations in quantum optics
• Thermodynamics of quantum-jump trajectories of open quantum systems subject to stochastic resetting
• Stochastic unravelings for Heisenberg picture and trace-nonpreserving dynamics