Generation of Excitonic Molecules by Giant Two-Photon Absorption in CuCl and Their Bose Condensation
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概要
- 論文の詳細を見る
Through the studies of excitation spectra of emissions in CuCl crystals by a frequency tunable dye laser, excitonic molecules have been found to be generated directly by the giant two-photon absorption at the photon energy of 3.187 eV, as suggested by Hanamura. Two-photon excitation of crystals at 1.6 K enhanced very narrow emission bands at 3.1647 eV and at 3.1709 eV. These photon energies coincide with those of the high energy edges of the M_L and M_T bands due to the radiative annihilation of excitonic molecules having K=0. From these facts the Bose condensation of excitonic molecules at K∼0 has been suggested.
- 社団法人日本物理学会の論文
- 1975-10-15
著者
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NAGASAWA Nobukata
Department of Physics and Institute of Nano Science and Technology, Hong Kong University of Science
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Ueta Masayasu
Department Of Physics Faculty Of Science Tohoku University
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Doi Yoshiko
Department Of Physics Faculty Of Science Tohoku University
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NAKATA Naotaro
Department of Physics, Faculty of Science, Tohoku University
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Nakata Naotaro
Department Of Physics Faculty Of Science Tohoku University
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Ueta Masayasu
Department Of Physics Faculity Of Science Tohoku University
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