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Student Number 87222031 Author Kuai-Hong Vu(J¶Q¶¯) Author's Email Address No Public. Statistics This thesis had been viewed 1761 times. Download 687 times. Department Physics Year 1999 Semester 2 Degree Master Type of Document Master's Thesis Language zh-TW.Big5 Chinese Title Quasilocal Energy-Momentum and Angular Momentum for Teleparallel Gravity Date of Defense 2000-07-05 Page Count 58 Keyword Energy and angular momentum Quasilocal Teleparallel Abstract A new quasilocal energy expression for conserved quantities, energy and angular momentum, is obtained from the covariant Hamiltonian formulation of metric compatible teleparallel GR. The field equations and one of the quasilocal expressions obtained from our approach turn out to be equivalent to those of usual Riemannian description of GR. We tested our expressions by evaluating them for the Kerr solution without

cosmological constant and found them to give the correct total value for energy and angular momentum asymptotically. Our result shows that contrary to Moller's expectation the

teleparallel formulation is no better than the Riemannian description in providing for a good localization of energy-momentum and angular momentum.Table of Content 1.Introduction

1.1 Gravitational energy-momentum and its localization

1.2 Teleparallel theory

1.3 Outline of this thesis

2. Teleparallel Lagrangian and Hamiltonian formulation

2.1 Introduction

2.2 Usual Lagrangian and Hamiltonian formulation

2.3 Formulation with Lagrange multiplier method

2.3.1 General formulation for geometric dynamic theories

2.3.2 Formulation for standard Einstein-Hilbert Lagrangian

3. Non-uniqueness

3.1 One solution for the Lagrange multiplier

3.2 Non-unique Lagrange multiplier

4. Evaluation of energy and angular momentum for Kerr solution

4.1 Calculation with five types of coframes

4.2 Discussion fo this result

4.3 Comparison with other's expression

5. Conclusion

A Calculation of energy and angular momentum for Kerr solution in detailReference 1. Misner C W, Thorne K S and Wheeler J A 1973 Gravitation

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15. J. M. Nester and H. J. Yo ¡§Symmetric teleparallel general relativity¡¨, Chin. J. Phys. 37 113-117 (1999).

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19. V. C. de Andrade, L. C. T. Guillen and J. G. Pereia ¡§Gravitational Energy-Momentum Density in Teleparallel Gravity¡¨ Phys. Rev. Lett. 84 (2000) 4533-4536

20. C. Mo ller, ¡§Conservation Laws and Absolute Parallelism in General Relativity¡¨, Mat. Fys. Dan. Vid. Selsk. 1 (1961) 1-50.Advisor James M. Nester(Â¿´µ¯S)

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