These formulae deal with the Debye design in the slightest degree temperatures. The more elementary formulae specified further more down give the asymptotic habits from the limit of minimal and high temperatures. The Minimize-off frequency can be established with the Slash-off wavelength. From your sampling theorem, we are aware that https://www.facebook.com/permalink.php?story_fbid=pfbid023jQxeVy52AsHEdLgYUUCzQHHVugzumuuGnk4ZXvAix3r82eShmbTvYBWMCrGqAVql&id=61562415773754&__cft__[0]=AZWIQoC7Tcp_dN2yc4xY5JQg5ThEziR3AnWeJ7TPISQm4woiWnr3LrL-gvyncoIslUFQY2tRYqRyd3LjWm5MQWspQnWCA7e5hKG70JUSchWUyOtOfOw5rJf2_tSYJ3S9H2-uQBBm_N679lESDw12waRuBxZHpqARktR-i3Ekkvariw8XN90vB92U9J-iP2obqIT6O9IDDFlJPE-dDYMCzprk&__tn__=%2CO%2CP-R