Details of Grant 

EPSRC Reference:	GR/S92120/01
Title:	Resonant activation and the ratchet effect in dissipative optical lattices
Principal Investigator:	Renzoni, Professor F
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Department:	Physics and Astronomy
Organisation:	UCL
Scheme:	First Grant Scheme Pre-FEC
Starts:	01 September 2004	Ends:	31 August 2007	Value (£):	125,788
EPSRC Research Topic Classifications:	Light-Matter Interactions
EPSRC Industrial Sector Classifications:	No relevance to Underpinning Sectors
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Summary on Grant Application Form
The directed motion of Brownian particles in a macroscopically flat potential (ratchet effect) has recently attracted much interest as it may represent the key to understand the working principles of the molecular combustion motor. Several new mechanisms of rectification of fluctuations resulting into transport through macroscopically flat potentials have been recently identified through theoretical work. Optical lattices constitute the ideal test bench to investigate the various rectification mechanisms identified theoretically. The aim of the present proposal is to investigate experimentally the ratchet effect using optical lattices as a model system, and to test some of the rectification mechanisms recently determined through theoretical work.
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