Tingkat Energi Pada Osilator Anharmonik 1 Dimensi Menggunakan Metode Perturbasi Orde 2

Authors

  • Nur Afifah Zen Program Studi Teknik Telekomunikasi, Fakultas Teknik Telekomunikasi dan Elektro, Institut Teknologi Telkom Purwokerto, Jl. DI Panjaitan No.128 Purwokerto, Indonesia, Indonesia
  • Rany Nuraini Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam Institut Teknologi Bandung, Jl. Ganesha No.10 Bandung, Indonesia, Indonesia

DOI:

https://doi.org/10.25077/jif.12.2.70-78.2020

Abstract

Penentuan tingkat energi dari potensial osilator anharmonik dapat diperoleh dengan berbagai metode pendekatan. Penelitian ini bertujuan untuk menentukan koreksi tingkat energi osilator anharmonik 1 dimensi menggunakan metode perturbasi hingga orde 2 dimana potensial gangguan dianggap berbentuk kuartik . Metode perhitungan orde 2 dilakukan menggunakan gambaran Heseinberg dengan mendefinisikan operator kreasi dan anihilasi untuk mendapatkan koreksi energi pada tingkat tersebut. Berdasarkan perhitungan yang dilakukan, potensial gangguan harus memiliki nilai pada rentang agar metode yang digunakan valid. Perbandingan hasil koreksi tingkat energi perturbasi orde 2 dengan metode numerik dan WKB menunjukkan bahwa semakin tinggi tingkat energi semakin besar persentase error, sehingga metode perturbasi hanya sesuai jika digunakan pada tingkat energi rendah.

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Published

2020-09-28

How to Cite

Zen, N. A., & Nuraini, R. (2020). Tingkat Energi Pada Osilator Anharmonik 1 Dimensi Menggunakan Metode Perturbasi Orde 2. JURNAL ILMU FISIKA, 12(2), 70–78. https://doi.org/10.25077/jif.12.2.70-78.2020

Issue

Vol. 12 No. 2 (2020): September 2020

Section

Research Article

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