PreprintCC BY 4.0arXiv
Viscous hydrodynamics from correlated losses
Abstract
Interactions turn a gas into a fluid. We show that two-body loss can take their place. Correlated loss induces elastic scattering, as required by the optical theorem, which dominates at strong loss via the quantum Zeno effect. A nondegenerate gas with only two-body loss thus flows hydrodynamically, with viscosity and thermal conductivity close to those of the unitary Fermi gas. As loss heats the gas, both grow in time with a universal exponent 3/8. Unlike single-particle loss, two-body loss can engineer collisions, and hence transport, in quantum matter.
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BibTeX
@misc{mikheev2026viscous,
title = {{Viscous hydrodynamics from correlated losses}},
author = {Aleksandr N. Mikheev and Orjan Ameye and Oded Zilberberg and Jeff Maki},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.19083},
eprint = {2610.19083},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.19083},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Viscous hydrodynamics from correlated losses
AU - Aleksandr N. Mikheev
AU - Orjan Ameye
AU - Oded Zilberberg
AU - Jeff Maki
PY - 2026
DA - 2026/10/13
PB - arXiv
DO - 10.48550/arxiv.2610.19083
UR - https://arxiv.org/abs/2610.19083
AB - Interactions turn a gas into a fluid. We show that two-body loss can take their place. Correlated loss induces elastic scattering, as required by the optical theorem, which dominates at strong loss via the quantum Zeno effect. A nondegenerate gas with only two-body loss thus flows hydrodynamically, with viscosity and thermal conductivity close to those of the unitary Fermi gas. As loss heats the gas, both grow in time with a universal exponent 3/8. Unlike single-particle loss, two-body loss can engineer collisions, and hence transport, in quantum matter.
ER -