Yuant Tiandho


In  the weak-field limit condition, the gravitational force has a form that is analogous to the electromagnetic force. So that by using the analogy, we may propose the formula that called as gravitoelectromagnetism effect. Like the electromagnetic field, the gravity also predicted to has gravitoelectric field and gravitomagnetic field. In this paper we derive the expression of gravitational force as the entropic force according to correction of the generalized uncertainty principle (GUP) in the study of quantum gravity. Newton's gravitational force arise naturally due to the change of information (entropy) of a holographic screen that produced by object with mass M and it can be detected by other object which has mass m. From the formulation of gravity that we obtain, it appears that in the surrounding of object with mass M can be found the additional mass density which is indicated as a quantum foam. So according to the indications we calculate the gravitoelectric field and the gravitomagnetic field of the rotating object and we found that the result also influenced by the quantum fluctuations.

Pada kondisi medan lemah gaya gravitasi memiliki bentuk yang analogi dengan gaya elektromagnetik, sehingga melalui analogi tersebut dapat diajukan suatu rumusan yang disebut dengan efek gravitoelektromagnetisme. Layaknya medan elektromagnetik, gravitasi juga diprediksi memiliki medan gravitoelektrik dan medan gravitomagnetik. Di dalam artikel ini penulis mencoba menurunkan ungkapan gaya gravitasi sebagai gaya entropik berdasarkan koreksi dari generalized uncertainty principle (GUP) sesuai kajian gravitasi kuantum. Gaya gravitasi Newton muncul secara alami karena adanya perubahan informasi (entropi) dari layar holografik yang dihasilkan oleh objek bermassa M dan terdeteksi oleh objek lain yang bermassa m. Dari rumusan gaya gravitasi yang diperoleh tampak bahwa di sekitar objek bermassa M terdapat densitas massa tambahan yang dapat dipandang sebagai quantum foam. Dengan adanya indikasi tersebut penulis menghitung medan gravitoelektrik dan gravitomagnetik pada objek yang berotasi dan ternyata kedua medan yang dihasilkan juga dipengaruhi oleh adanya fluktuasi kuantum.


gravitasi, gravitoelectromagnetism, gravitoelektromagnetisme, gravity, kuantum gravitasi, medan lemah, quantum gravity, weak field,

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