Ghosh, Sankalpa. Topological excitations in double layer quantum hall systems with and without spin / Sankallpa Ghosh - New Delhi : Jawaharlal Nehru University, 2000 Ph.D. - SPS, JNU, 2000. ISBN: THISBN8139 Subjects--Topical Terms: Quantum theory. Index Terms--Genre/Form: Theses Dewey Class. No.: 530.12 / G3464 To