ɪnðə klˈæsɪkəl lˈɪmɪt ʌv ˈɔːl ˈʌðɚ fˈɪzɪkəl pɚɹˈæmɪɾɚz mˈʌtʃ lˈɑːɹdʒɚ ðɐn plˈæŋks kˈɑːnstənt, ɐbɹˈiːvɪˌeɪɾᵻd æz , ðə tɹænsmˈɪʃən kˌoʊɪfˈɪʃənt ɡoʊz tə zˈiəɹoʊ.
In the classical limit of all other physical parameters much larger than Planck's constant, abbreviated as , the transmission coefficient goes to zero.