{"id":2188,"date":"2022-09-21T03:28:52","date_gmt":"2022-09-21T03:28:52","guid":{"rendered":"https:\/\/science.sjp.ac.lk\/phy\/?page_id=2188"},"modified":"2022-09-21T17:05:59","modified_gmt":"2022-09-21T17:05:59","slug":"dr-rasadi-munasinghe","status":"publish","type":"page","link":"https:\/\/science.sjp.ac.lk\/phy\/dr-rasadi-munasinghe\/","title":{"rendered":"Dr.Rasadi Munasinghe"},"content":{"rendered":"<p><a href=\"https:\/\/science.sjp.ac.lk\/phy\/wp-content\/uploads\/sites\/17\/2022\/09\/DrRasadi.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-2186 alignnone\" src=\"https:\/\/science.sjp.ac.lk\/phy\/wp-content\/uploads\/sites\/17\/2022\/09\/DrRasadi-150x150.jpg\" alt=\"drrasadi\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>Dr. C. Rasadi Munasinghe<\/p>\n<p>B.Sc. (UOK), M.Sc., Ph.D. (Georgia State)<\/p>\n<p>Temporary Senior Lecturer<\/p>\n<p><strong>Phone:<\/strong> 011 2758362<\/p>\n<p><strong>Email:<\/strong> <a href=\"mailto:rasadimunasinghe@gmail.com\">rasadimunasinghe@gmail.com<\/a><\/p>\n<p><strong><span style=\"color: #ffcc00\">Research Interest<\/span>:<\/strong> Atomic Photoionization, Two-dimensional electron systems, Graphene, Condensed matter physics, Theoretical Physics<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ffcc00\"><strong>Education:<\/strong><\/span><\/p>\n<p>Ph. D. in Theoretical Atomic Physics, Georgia State University, USA.<\/p>\n<p>M.Sc. in Experimental Condensed Matter Physics, Georgia State University, USA.<\/p>\n<p>B.Sc. Special in Physics with First Class Honors, University of Kelaniya, Sri Lanka.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ffcc00\"><strong>Awards: <\/strong><\/span><\/p>\n<p>Outstanding graduate student award (2018) Department of Physics, Georgia State University, USA.<\/p>\n<p>The gold medal for the best performance in the B.Sc. (Special) degree program in Physics (2013) University of Kelaniya, Sri Lanka.<\/p>\n<p><span style=\"color: #ffcc00\"><strong>Publications:<\/strong><\/span><\/p>\n<ul>\n<li>R. Munasinghe, et al., <em>\u201c<\/em>Electron heating induced by an ac-bias current in the regime of Shubnikov\u2013de Haas oscillation in the high mobility GaAs\/Al x Ga1\u2212x As two-dimensional electron system\u201d, Journal of Physics: Condensed Matter 30 (31), 315701 (2018).<\/li>\n<li>R. Munasinghe, \u201cRelativistic and Interchannel Effects on Branching Ratios of Spin-Orbit Doublets\u201d, (2021) Georgia State University.<\/li>\n<li>R. Munasinghe, et al., \u201cPhotoionization Branching Ratios of Spin-Orbit Doublets Far Above Thresholds: Interchannel and Relativistic Effects\u201d, Physical Review A 106, 013102 (2022).<\/li>\n<li>R. Nanayakkara, R. L. Samaraweera, B. Gunawardana, C. R. Munasinghe, et al., \u201cElectron heating induced by microwave photoexcitation in the GaAs\/AlGaAs two-dimensional electron system\u201d, Physical Review B 98 (3), 035304 (2018).<\/li>\n<li>G. Mani, A. Kriisa, and C. R. Munasinghe., \u201cRadiation-induced magnetoresistance oscillations in monolayer and bilayer Graphene\u201d, Scientific Reports, 13;9(1):7278 (2019).<\/li>\n<li>L. Samaraweera, B. Gunawardana, A. Kriisa, T. R. Nanayakkara, C. R. Munasinghe, et al., \u201cInfluence of microwave excitation \u2013 power on the narrow negative magnetoresistance effect around B = 0T in the ultra-high mobility GaAs\/AlGaAs\u201d, Physica Status Solidi (b) 256 1800610 (2019).<\/li>\n<li>L. Samaraweera, B. Gunawardana, T. R. Nanayakkara, C. R. Munasinghe, et al., \u201cStudy of narrow negative magnetoresistance effect in ultra-high mobility GaAs\/AlGaAs 2DES under microwave photo-excitation\u201d, Scientific Reports 10 781 (2020).<\/li>\n<li>Ralph Puttner, Jessica B. Martins, Tatiana Marchenko, Oksana Travnikova, Renaud Guillemin, Loic Journel, Iyas Ismail, Gildas Goldsztejn, Dimitris Koulentianos, Denis Ceolin, Maria Luiza Miranda Rocco, Maria Novella Piancastelli, Marc Simon, David A. Keating, C. Rasadi Munasinghe, Pranawa C. Deshmukh, and Steven T. Manson., \u201cNonstatistical Behavior of the Photoionization of Spin-Orbit Doublets\u201d, Journal of Physics B: Atomic, Molecular and Optical Physics, (2021) 54(8): p. 085001.<\/li>\n<\/ul>\n<p><span style=\"color: #ffcc00\">Conference Proceedings and abstracts<\/span><\/p>\n<ul>\n<li>Rasadi Munasinghe, et al., \u201cPhotoionization Branching Ratios of Spin-Orbit Doublets in Rn Far Above Threshold\u201d, American Physical Society (A.P.S.), Division of Atomic and Molecular Physics Meeting (DAMOP22) (2022).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cPhotoionization branching ratios of spin-orbit doublets in heavy elements at high energy: Relativistic and interchannel coupling effects in Hg,\u201d International Conference on Photonic, Electronic and Atomic Collisions (2021).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cRelativistic Effects in the Photoionization of Spin-Orbit Doublets Well Above Thresholds,\u201d American Physical Society (A.P.S.) Division of Atomic and Molecular Physics Meeting (DAMOP21) (2021).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cRelativistic effects in the photoionization of Spin-orbit doublets well above threshold,\u201d American Physical Society (A.P.S.) Division of Atomic and Molecular Physics Meeting (DAMOP20) (2020).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cStudy of electron heating via the Shubnikov de Haas effect under a current-bias in the high mobility GaAs\/AlGaAs two-dimensional electron system\u201d, International Conference on Electronic Properties of Two-Dimensional Systems (2017).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cEffect of carrier heating induced by current bias in the regime of Shubnikov de Haas oscillations in the high mobility GaAs\/AlGaAs 2D electron system\u201d, International Conference on High Magnetic Fields in Semiconductor Physics (2018).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cCarrier heating effect induced by ac current bias in GaAs\/AlGaAs 2D electron devices\u201d, International Conference on the Physics of Semiconductors (2018).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cCurrent bias and temperature effect on the Shubnikov de Haas oscillations in high mobility GaAs\/AlGaAs two-dimensional system\u201d, American Physical Society (A.P.S.) March Meeting (2017).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cStudy of current bias induced carrier heating effect in the regime of Shubnikov de Haas oscillations in high mobility GaAs\/AlGaAs two-dimensional electron system\u201d, American Physical Society (A.P.S.) March Meeting (2018).<\/li>\n<li>Rasadi Munasinghe, et al., \u201cHot electron magneto-transport in the high mobility GaAs\/AlGaAs two-dimensional electron system below 1K\u201d, American Physical Society (A.P.S.) March Meeting (2019).<\/li>\n<li>R. Munasinghe and N. W. K. Jayatissa., \u201cLow energy mechanical driver for solar trackers\u201d, Proceedings of the Technical Sessions, 30. 75-81 Institute of Physics Sri Lanka (2014).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Dr. C. Rasadi Munasinghe B.Sc. (UOK), M.Sc., Ph.D. (Georgia State) Temporary Senior Lecturer Phone: 011 2758362 Email: rasadimunasinghe@gmail.com Research Interest: Atomic Photoionization, Two-dimensional electron systems, Graphene, Condensed matter physics, Theoretical Physics &nbsp; Education: Ph. D. in Theoretical Atomic Physics, Georgia State University, USA. M.Sc. in Experimental Condensed Matter Physics, Georgia State University, USA. B.Sc. Special &hellip; <a href=\"https:\/\/science.sjp.ac.lk\/phy\/dr-rasadi-munasinghe\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Dr.Rasadi Munasinghe<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/pages\/2188"}],"collection":[{"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/comments?post=2188"}],"version-history":[{"count":2,"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/pages\/2188\/revisions"}],"predecessor-version":[{"id":2214,"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/pages\/2188\/revisions\/2214"}],"wp:attachment":[{"href":"https:\/\/science.sjp.ac.lk\/phy\/wp-json\/wp\/v2\/media?parent=2188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}