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All Journal BERKALA FISIKA JOURNAL OF NATURAL SCIENCES AND MATHEMATICS RESEARCH Physics Communication
Muhammad Farchani Rosyid
UGM
Mathematics Physics

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Simulation Nongravitational Dynamics of Cometary Orbit -, Arsini; Saefan, Joko; Rosyid, Muhammad Farchani
JOURNAL OF NATURAL SCIENCES AND MATHEMATICS RESEARCH 2015: JNSMR Volume 1 Issue 1 Year 2015
Publisher : Fakultas Ilmu Tarbiyah dan Keguruan, UIN Walisongo

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Abstract

The tail formation of a comet near the sun leads to the situation in which the comet continually losses a part of its masses so that the mass of the comet decreases monotonically.  A comet may also accrete the material encountered along its orbit so that its mass increases. Therefore, the mass of a comet can be regarded as a function of time. In this work we study simulation the dynamics of the orbit of a comet due to the lost of its mass along the formation of its tail and the material accretion along its orbit. It is assumed  that the comet under consideration is of the form of a ball and rotates so rapidly that the whole ow its surface catches the radiation of the sun equally.
Quaternionic Version of Rotation Groups and Lorentz Group Rahmawati, Latief; Khalif, Muhammad Ardhi; Rosyid, Muhammad Farchani
JOURNAL OF NATURAL SCIENCES AND MATHEMATICS RESEARCH 2015: JNSMR Volume 1 Issue 1 Year 2015
Publisher : Fakultas Ilmu Tarbiyah dan Keguruan, UIN Walisongo

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Quaternionic version of rotation groups and Lorentz Group has been constructed. The rotation groups that has been discussed were quaternionic version of groups , O(3), and SO(3). The Lorentz groups that has been discussed were quaternionic version of groups SL(2;C), O(3; 1), and SOo(3; 1). Starting from the definition of each group, the parameters of the group were obtained. Finally the generators of the group were obtained. The commutation of the generator were also computed. 
Konsep Massa Ekonomis Sebagai Ukuran Kelembaman Pelaku Ekonomi Dalam Ruang Harga (Kajian Mekanika Kuantum Dalam Ekonomi Mikro) Rifai, Bachtiar; Palupi, Dwi Satya; Rosyid, Muhammad Farchani
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

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This paper has studied the correlation of economic systems in the market for goods by using the concept of state and the concept of observable in quantum mechanics.Also proposed the concept of economical mass as an economic actor counterparts concept of inertia or inertia in physics. Studied the things that determine the mass of a principal economic economical. Discussed the possibility of applying the model to market goods with commodities and M N economic actors using the concept of Quantum Many Body Problem. Keywords: Ekonofisika, Applied Physics, Massa economical, Quantum many-body problem
MODEL KUANTUM DINAMIKA HARGA SAHAM DALAM WAKILAN INTEGRAL LINTASAN (STUDI KASUS PADA SAHAM PT. ASTRA AGRO LESTARI, TBK.) Apriniyadi, Mohammad; Palupi, Dwi Satya; Rosyid, Muhammad Farchani
Physics Communication Vol 1, No 1 (2017): February 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1046.604 KB) | DOI: 10.15294/physcomm.v1i1.9006

Abstract

Quantum model of stock price dinamics has been proposed obtained. The solution based on this model is obtained by using path integral representation. The final equations of the model is in the form of Fourier transformation integral. The Fourier transform is applied to determine the form of probability distribution. The model then tested in the case of the real data of the stock price index of PT . Astra Agro Lestari, Tbk. The comparation yield some essential parameters corresponding to the stock price index of PT. Astra Agro Lestari, Tbk
Co-Authors Apriniyadi, Mohammad Arsini -, Arsini Bachtiar Rifai Dwi Satya Palupi Joko Saefan Latief Rahmawati, Latief Muhammad Ardhi Khalif, Muhammad Ardhi