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Illustration of strictly local dynamical symmetries

A system with a strictly local dynamical symmetry can be coupled to any external system (e.g. a cat) and will still persistently oscillate (see https://arxiv.org/abs/2008.11166)

Credit: Vendi Jukic Buca, Pulci

Dr Berislav Buca

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Research theme

  • Fields, strings, and quantum dynamics
  • Quantum information and computation
  • Quantum materials
  • Quantum optics & ultra-cold matter

Sub department

  • Atomic and Laser Physics

Research groups

  • Quantum systems engineering
berislav.buca@physics.ox.ac.uk
Atmospheric Physics Clarendon Laboratory
  • About
  • Publications

Research

I am a Chaire de professeur junior (CPJ, tenure track comparable to associate professor) with CNRS working at The Laboratory of Theoretical Physics and Statistical Models (LPTMS) at University Paris-Saclay.

Before that I was an assistant professor at the Niels Bohr Institute, University of Copenhagen with a Villum Young Investigator grant.

The main goal of my work is the theoretical understanding of out-of-equilibrium many-body quantum systems, especially those that are potentially relevant for future quantum technologies.

I am currently focusing on understanding the emergence of long-time non-stationary dynamics in many-body quantum systems and how engineering external dissipation can prevent relaxation to stationarity.

Research interests

Open quantum systems
Non-equilibrium physics
Quantum many body systems
Exact solutions and integrability

Selected publications

Complex coherent quantum many-body dynamics through dissipation

Nature Communications Springer Nature 10 (2019) 1730
Berislav Buca, Joseph Tindall, D Jaksch

Out-of-time-ordered crystals and fragmentation

Physical Review Letters American Physical Society 128 (2021) 100601

Unified theory of local quantum many-body dynamics: eigenoperator thermalization theorems

Physical Review X American Physical Society 13:3 (2023) 31013

Algebraic theory of quantum synchronization and limit cycles under dissipation

SciPost Physics SciPost 12 (2022) 097
Berislav Buča, Cameron Booker, Dieter Jaksch
152855
See all publications

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