The experimentally measured threshold pump powers are used to calculate the relaxation line widths of the parametrically excited spin waves with the aid of the improved theory of parametric processes that takes into account both cubic and uniaxial anisotropy of the film.Ī. The frequencyfield dependences of the absorption spectra of three main types of magnetostatic oscillations in the linear regime are used to determine the saturation magnetization, anisotropy fields, and unloaded Q factors of resonator at each mode and to calculate the relaxation parameters of the corresponding magnetostatic oscillations. The method is used in the highaccuracy analysis of the frequency dependences of threshold power in the presence of tangential magnetization in the regimes of resonances of both surface and backward volume magnetostatic waves. An original method is proposed for the determination of thresholds of the parametric excitation of spin waves using the deformations of Smith chart caused by variations in the measurement power level. Citizens: SAT I or ACT and SAT II scores are optional for U.S.The relaxation properties of three main types of magnetostatic oscillations in a magnetostatic film resonator and nonlinear processes (parametric excitation of spin waves in the first and second bands in the presence of the tangential magnetization of the gallium-substituted yttrium-iron garnet film and foldover in the regime of normal magnetization) are studied in the frequency range 0.8–4.5 GHz. International Citizens: Smith College recognizes the challenges that students are facing due to the COVID-19 pandemic and in response, Smith has adjusted the testing policy for international citizens. Submission of SAT I or ACT scores will be optional. This temporary policy will be in place for a 2-year period beginning with applicants applying for Fall 2021 admission. International citizens applying for admission to Smith are required to demonstrate English proficiency. Have attended a school in which the primary language of instruction is English for the duration of their secondary school career.Identify English as their first language.(While Smith will accept “MyBest” results on the TOEFL, we will also review all scores attained on single test dates.) Applicants may be exempt from this requirement if they: International citizens whose primary language is not English or have not attended a school at which English is the primary language of instruction will be required to submit TOEFL, IELTS, PTE or the Duolingo English Test/*DET*. Are enrolled in or have completed the IB Diploma Program or A level curriculum taught in English.Have attended a school in the United States and instructed in English for at least two years. Please note that test requirement is based on citizenship, not on where a student attends school. SAT II subject tests are optional for all applicants. Undocumented and DACA Students: Undocumented and Deferred Action for Childhood Arrivals (DACA) students follow the procedures and requirements for first-year or transfer admission. ![]() Undocumented and Deferred Action for Childhood Arrivals (DACA) students follow the procedures and requirements for first-year or transfer admission. They are evaluated in the same way as U.S. Permanent residents SAT I or ACT and SAT II scores are optional.
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