Two-body loss alone induces hydrodynamic behavior in quantum gases with viscosity matching unitary Fermi gas values. Loss-engineered collisions enable transport in quantum matter via the optical theorem and quantum Zeno effect.

Two-body loss alone induces hydrodynamic behavior in quantum gases with viscosity matching unitary Fermi gas values. Loss-engineered collisions enable transport in quantum matter via the optical theorem and quantum Zeno effect.
First integrated photonic circuit combining laser generation, frequency control, and beam delivery on a single chip for cold atom trapping. Demonstrates >1M trapped ⁸⁷Rb atoms, enabling compact, portable quantum sensors and atomic clocks.