Temperature-dependent energy levels of electrons on liquid helium

Eddy Collin; William Bailey; P. Fozooni; P. G. Frayne; P. H. Glasson; K. Harrabi; Michael John Lea

doi:10.1103/PhysRevB.96.235427

Temperature-dependent energy levels of electrons on liquid helium

Eddy Collin, William Bailey, P. Fozooni, P. G. Frayne, P. H. Glasson, K. Harrabi, Michael John Lea

Department of Physics

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Abstract

We present measurements of the resonant microwave absorption between the Rydberg energy levels of surface state electrons on the surface of superfluid liquid helium, in the frequency range 165–220 GHz. The resonant frequency was temperature dependent.The experiments are in agreement with recent theoretical calculations of the renormalization of the electron energy levels due to zero-point and thermal ripplons. The temperature-dependent contribution to the linewidth γ(T) for excitation to the first excited state at 189.6 GHz is compared with other
measurements and theoretical predictions.

Original language	English
Article number	235427
Pages (from-to)	1-7
Number of pages	7
Journal	Physical Review B
Volume	96
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.96.235427
Publication status	Published - 20 Dec 2017

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10.1103/PhysRevB.96.235427

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Cite this

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abstract = "We present measurements of the resonant microwave absorption between the Rydberg energy levels of surface state electrons on the surface of superfluid liquid helium, in the frequency range 165–220 GHz. The resonant frequency was temperature dependent.The experiments are in agreement with recent theoretical calculations of the renormalization of the electron energy levels due to zero-point and thermal ripplons. The temperature-dependent contribution to the linewidth γ(T) for excitation to the first excited state at 189.6 GHz is compared with othermeasurements and theoretical predictions.",

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AU - Collin, Eddy

AU - Bailey, William

AU - Fozooni, P.

AU - Frayne, P. G.

AU - Glasson, P. H.

AU - Harrabi, K.

AU - Lea, Michael John

PY - 2017/12/20

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AB - We present measurements of the resonant microwave absorption between the Rydberg energy levels of surface state electrons on the surface of superfluid liquid helium, in the frequency range 165–220 GHz. The resonant frequency was temperature dependent.The experiments are in agreement with recent theoretical calculations of the renormalization of the electron energy levels due to zero-point and thermal ripplons. The temperature-dependent contribution to the linewidth γ(T) for excitation to the first excited state at 189.6 GHz is compared with othermeasurements and theoretical predictions.

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DO - 10.1103/PhysRevB.96.235427

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