Table of Contents: “...Energy level of Free Ions -- Group Theory and Quantum Theory -- Rare Earth Ions in Materials -- Theory of Radiation Transition.-Spectroscopic Parameter and Their Calculation -- Phonon and Spectral Line -- Energy Levels and Spectroscope Properties...”

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Table of Contents: “...Part I -- Crystal Structures -- Lattice Vibrations -- Free Electron Theory of Metals -- Elements of Band Theory -- Use of Elementary Group Theory in Calculating Band Structure -- More Band Theory and the Semi-classical Approximation -- Semiconductors...”

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Table of Contents: “... -- Optical Bistability, Optical Computing, Spintronics and Quantum Computing -- Experimental Methods -- Group Theory in Semiconductor Optics -- Optical- and Semiconductor Bloch Equations....”

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Table of Contents: “... -- Optical Bistability, Optical Computing, Spintronics and Quantum Computing -- Experimental Methods -- Group Theory in Semiconductor Optics -- Semiconductor Bloch Equations....”

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Table of Contents: “... -- Optical Bistability, Optical Computing, Spintronics and Quantum Computing -- Experimental Methods -- Group Theory in Semiconductor Optics -- Semiconductor Bloch Equations....”

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