Fistum 3-gel materi

Pertemuan 3 Fisika Kuantum Bab III Gelombang Materi dan Asas Ketidakpastian Heisenberg (Sifat Gelombang dari Partikel) Bambang Heru Iswanto, Dr.rer.nat M.Si ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Gelombang  Materi ( √ ) Materi  Gelombang (?) 08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

Postulat de Broglie: Gelombang Materi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id | Louis Victor de Broglie (1892-1987) Nobel Prize for Physics (1929): “ any moving particle or object had an associated wave ”

Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

Diskusi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

Gelombang Monokromatik dan Representasi Partikel Bebas ,[object Object],[object Object],Sulit ditafsirkan! Jika kehadiran gelombang dikaitkan dengan partikel haruslah kecepatannya sama Kecepatan fase: Tidak mungkin secara relativistik Kesimpulan: Tidak mungkin mengasosiasikan gelombang Monokromatis dengan gerak partikel 08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

Penafsiran Fungsi Gelombang ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id | Max Born ( 1882 -1970) ,Germany. Nobel Price for Physics 1954: " for his fundamental research in quantum mechanics , especially for his statistical interpretation of the wavefunction "

Penafsiran Fungsi Gelombang ,[object Object],[object Object],[object Object],[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id | gelombang partikel Probabilitas menemukan partikel

Teori Integral Fourier ,[object Object],[object Object],[object Object],[object Object],Fungsi gelombang materi dapat direpresentasikan dalam ruang koordinat Fungsi gelombang materi juga dapat direpresentasikan dalam ruang momentum 08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |

Asas Ketidakpastian Heisenberg ,[object Object],[object Object],08/03/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id | Mengapa? Ketidakpastian Posisi Ketidakpastian Momentum Werner Karl Heisenberg (1901-1976) Nobel Prize for Physics (1932) "' for the creation of quantum mechanics, the application of which has, inter alia, led to the discovery of the allotropic forms of hydrogen ". Asas ketidakpastian Heisenberg :

Fistum 3-gel materi

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