Heat capacity of a strongly interacting Fermi gas.
Journal Article (Journal Article)
We have measured the heat capacity of an optically trapped, strongly interacting Fermi gas of atoms. A precise addition of energy to the gas is followed by single-parameter thermometry, which determines the empirical temperature parameter of the gas cloud. Our measurements reveal a clear transition in the heat capacity. The energy and the spatial profile of the gas are computed using a theory of the crossover from Fermi to Bose superfluids at finite temperatures. The theory calibrates the empirical temperature parameter, yields excellent agreement with the data, and predicts the onset of superfluidity at the observed transition point.
- Kinast, J; Turlapov, A; Thomas, JE; Chen, Q; Stajic, J; Levin, K
- February 2005
Volume / Issue
- 307 / 5713
Start / End Page
- 1296 - 1299
Electronic International Standard Serial Number (EISSN)
International Standard Serial Number (ISSN)
Digital Object Identifier (DOI)