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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Quantum-fluid description of the free-electron laser

Bonifacio, R. and Piovella, N. and Robb, G.R.M. and Serbeto, A. (2009) Quantum-fluid description of the free-electron laser. Physical Review A, 79 (1). 015801. ISSN 1094-1622

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Abstract

Using the Madelung transformation we show that in a quantum free-electron laser the beam obeys the equations of a quantum fluid in which the potential is the classical potential plus a quantum potential. The classical limit is shown explicitly.