Energi Penggerak untuk Mempercepat Kesetimbangan Gerak Brown Teredam Sebagian (Underdamped)
Abstract
Penelitian ini merupakan penelitian teoritik yang mengkaji literatur yang membahas dinamika kuantum secara adiabatik. Gerak Brown yang merupakan bagian dari dunia nano atau mikroskopis membutuhkan waktu untuk mencapai kesetimbangan. Gerak Brown merupakan gerak acak partikel nano dalam fluida. Ketika pergerakannya sudah mencapai titik equilibrium kemudian diberi gangguan maka akan membutuhkan waktu yang sangat lama untuk kembali ke keadaan setimbang. Metode Shortcuts to Adiabaticity (STA) merupakan salah satu solusi untuk mempercepat dinamika kuantum adiabatik dengan menambahkan energi dalam sistem sehingga kuantum adiabatik dengan menambahkan energi dalam sistem sehingga mencapai titik equilibrium. Metode ini menggunakan persamaan Kramers yang diujikan pada gerak Brown teredam sebagian (underdamped). Hasil yang diperoleh dari metode tersebut adalah suku tambahan yang berupa energi tambahan yang diperlukan agar partikel Brown yang teredam sebagian (underdamped) dapat mencapai titik kesetimbangan dalam waktu yang sangat singkat. Sehingga dapat disimpulkan bahwa energi tambahan bergantung dengan konstanta gesekan ( 14γ"> ) dan bergantung terhadap waktu .
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DOI: https://doi.org/10.36706/jipf.v10i1.19240
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