Work

Joule expansion of a quantum gas

Year: 2025

Type: article

Abstract: We revisit the classic Joule-expansion experiments, now with a quantum-degenerate atomic Bose gas. In contrast to the classical-gas experiments, where no temperature change was measured, here we observe and quantitatively explain both cooling and heating effects, which arise, respectively, due to quantum statistics and interparticle interactions.

Source: Apollo (University of Cambridge)

DOI: 10.17863/cam.117531

Authors: Ho, Christopher J, Fischer, Simon M, Martirosyan, Gevorg, Morris, Sebastian J, Etrych, Jiří, Eigen, Christoph, Hadzibabic, Zoran

Language: English

Topic: Cold Atom Physics and Bose-Einstein Condensates

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: Royal Society, Science and Technology Facilities Council

Awards: Quantum Simulators for Fundamental Physics, Quantum Simulators for Fundamental Physics, G8831150500

OpenAlex ID: W6944183284

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