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Journal Article

Large-N limit of spontaneous superradiance

MPS-Authors
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Malz,  Daniel
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Trivedi,  Rahul
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

/persons/resource/persons60441

Cirac,  J. Ignacio
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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2202.05197.pdf
(Preprint), 473KB

6328.pdf
(Publisher version), 483KB

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Citation

Malz, D., Trivedi, R., & Cirac, J. I. (2022). Large-N limit of spontaneous superradiance. Physical Review A, 106: 013716. doi:10.1103/PhysRevA.106.013716.


Cite as: https://hdl.handle.net/21.11116/0000-000A-0607-8
Abstract
We investigate the thermodynamic limit of Dicke superradiance. We find an
expression for the system's density matrix that we can prove is exact in the
limit of large atom numbers N. This is in contrast to previously known
solutions whose accuracy has only been established numerically and that are
valid only for a range of times. We also introduce an asymptotically exact
solution when the system is subject to additional incoherent decay of
excitations as this is a common occurrence in experiment.