Ⅰ. INTRODUCTIONIn recent years, on account of the development in superstring theories (which require the background space-time manifold to be (1+9)dimensions )and the application of the Kaluza-Klein theory to the res...Ⅰ. INTRODUCTIONIn recent years, on account of the development in superstring theories (which require the background space-time manifold to be (1+9)dimensions )and the application of the Kaluza-Klein theory to the research of the very early plaases of the universe (1+10) dimensional space-time), some theoretical physicists have displayed much interest in展开更多
文摘Ⅰ. INTRODUCTIONIn recent years, on account of the development in superstring theories (which require the background space-time manifold to be (1+9)dimensions )and the application of the Kaluza-Klein theory to the research of the very early plaases of the universe (1+10) dimensional space-time), some theoretical physicists have displayed much interest in
