we study the coherent spin-polarized transport through a zigzag-edge graphene flake (zgf), using hubbard model in the nearest neighbor approximation within the framework of the green function’s technique and landauer formalism. the system considered consists of electrode/ (zgf)/electrode, in which the electrodes are chosen to be armchair nanoribbons. the study was performed for two types of ele...

Volcano impacts on climate and biogeochemistry in a coupled carbon-climate model D. Rothenberg, N. Mahowald, K. Lindsay, S. C. Doney, J. K. Moore, and P. Thornton Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853, USA Climate and Global Dynamics Division, National Center for Atmospheric Research, Boulder, CO 80305, USA Department of Marine Chemistry and Geochemi...

This paper derives from research I conducted in the archives of the Vegetarian Society, in Manchester, in October 2011 on the figure of Beatrice Lindsay, a graduate from Girton College, Cambridge, who, in 1885, became the first female editor of the Society’s journal, the Dietetic Reformer and Vegetarian Messenger. In addition to her position as editor, Lindsay contributed a monthly column on “N...

2010 has been an exciting and challenging year for the Lindsay Leg Club Foundation with the introduction of the Big Society and The NHS White Paper: Equity and excellence: Liberating the NHS (Department of Health (DH), 2010). The coalition government’s vision of a society where individuals and communities have more power and responsibility, and are encouraged to create better neighbourhoods and...