{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T14:54:37Z","timestamp":1768748077072,"version":"3.49.0"},"reference-count":30,"publisher":"AIP Publishing","issue":"3","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2007,3,1]]},"abstract":"<jats:p>The nonlinear coupling between finite amplitude ion thermal waves (ITWs) and quasistationary density perturbations in a pair-ion plasma is considered. A generalized nonlinear Schr\u00f6dinger equation is derived for the ITW electric field envelope, accounting for large amplitude quasistationary plasma slow motion describing the ITW ponderomotive force. The present theory accounts for the trapping of ITWs in a large amplitude ion density hole. The small amplitude limit is considered and exact analytical solutions are obtained. Finite amplitude solutions are obtained numerically and their characteristics are discussed.<\/jats:p>","DOI":"10.1063\/1.2710455","type":"journal-article","created":{"date-parts":[[2007,3,29]],"date-time":"2007-03-29T13:24:20Z","timestamp":1175174660000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":30,"title":["Finite amplitude envelope solitons in a pair-ion plasma"],"prefix":"10.1063","volume":"14","author":[{"given":"W. M.","family":"Moslem","sequence":"first","affiliation":[{"name":"Ruhr-Universit\u00e4t Bochum Institut f\u00fcr Theoretische Physik IV, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany and Department of Physics, Faculty of Education-Port Said, , Egypt"},{"name":"Suez Canal University Institut f\u00fcr Theoretische Physik IV, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany and Department of Physics, Faculty of Education-Port Said, , Egypt"}]},{"given":"I.","family":"Kourakis","sequence":"additional","affiliation":[{"name":"Ruhr-Universit\u00e4t Bochum Institut f\u00fcr Theoretische Physik IV, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany"}]},{"given":"P. K.","family":"Shukla","sequence":"additional","affiliation":[{"name":"Ruhr-Universit\u00e4t Bochum Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"Max-Planck Institut f\u00fcr Extraterrestrische Physik Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"Ume\u00e5 University Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"CCLRC Center for Fundamental Physics Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"University of Strathclyde Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"Universidade T\u00e9cnica de Lisboa Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"},{"name":"University of KwaZulu-Natal Institut f\u00fcr Theoretische Physik IV and Nonlinear Physics Center, Fakult\u00e4t f\u00fcr Physik und Astronomie, , D-44780 Bochum, Germany, , D-45741 Garching, Germany, Center for Nonlinear Physics, Department of Physics, , SE-90187 Ume\u00e5, Sweden, , Rutherford Appleton Laboratory, Chilton, Didcot, OxonOX11 OQX, United Kingdom, SUPA Department of Physics, , Glasgow G4 ONG, United Kingdom, GoLP\/Centro de Fisica de Plasmas, Instituto Superior T\u00e9cnico, , 1049 Lisboa, Portugal, and School of Physics, , Durban 4041, South Africa"}]}],"member":"317","published-online":{"date-parts":[[2007,3,28]]},"reference":[{"key":"2023063000402421900_c1","first-page":"25","volume-title":"Waves in Plasmas","year":"1992"},{"key":"2023063000402421900_c2a","first-page":"202","volume-title":"Active Galactic Nuclei","year":"1987"},{"key":"2023063000402421900_c2b","doi-asserted-by":"publisher","first-page":"255","DOI":"10.1103\/RevModPhys.56.255","volume":"56","year":"1984","journal-title":"Rev. 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