Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 177 for “"Three-body"”.
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Minimum impulse three-body trajectories.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1973.
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Poincaré and the Three Body Problem
… account of Henri Poincare's famous memoir on the three body problem, the final version of which was published in <i>Acta Mathematica</i> in 1890 as the prize-winning entry in King Oscar II's 60th birthday competition. The memoir is reknowned both for its role in providing the foundations for …
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Calculations of three-body scattering amplitudes
… and study two techniques for the calculation of threebody scattering amplitudes. The first is a variational principle based on the Faddeev equations. In form it resembles a Schwinger principle. The wave functions that are varied are products of the two-body potentials and the normal three-body …
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Three-body abrasive wear of materials
… work is an investigation into the phenomenon of three-body abrasive wear. A specially designed three body abrasive wear apparatus has been built, modified and evaluated as part of this overall study. Further, a series of commercially available candidate materials has been evaluated for wear …
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On-shell approach to three-body scattering
146 leaves : ill. ; 30 cm.
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The three-body photodisintegration of helium-3
… kinematically complete experiment measured the three-body photodisintegration of 3He in the photon energy range of 35 to 65 MeV by means of the coincident detection of a proton and a neutron The bremsstrahlung beam used was produced by a 68.4 MeV, 0.75 J.lA beam of electrons from the 100~ duty …
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Propagation of singularies in three-body scattering
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1997.
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Transport geometry of the restricted three-body problem
This dissertation expands across three topics the geometric theory of phase space transit in the circular restricted three-body problem (CR3BP) and its generalizations. The first topic generalizes the low energy transport theory that relies on linearizing the Lagrange points in the CR3BP to …
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Semiclassical Scattering for Two and Three Body Systems
… present a brief mathematical discussion of the three body problem, first in classical mechanics and then in quantum mechanics. Finally using an approach similar to the semiclassical wave-packet construction we form a semiclassical approximation to the solution of the Schrödinger equation for the …
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MULTI-BAND BOSE HUBBARD MODELS AND EFFECTIVE THREE-BODY INTERACTIONS
… testing ground to study diverse quantum many-body Hamiltonians. A single-band Bose-Hubbard (BH) Hamiltonian was first proposed to describe these systems in 1998 and its associated quantum phase-transition was subsequently observed in 2002. Over the years, there has been a rapid progress in …
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Constrained Motion Analysis of Spacecraft Trajectory in Restricted Three Body Problem
… dynamics as applied to the restricted three-body problem of the Sun-Earth-Spacecraft. A dynamic model of the restricted three-body system is presented to analyze the unconstrained motion of spacecraft. The results show the instability due to perturbation from the SRP. Then, the …
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A coincident measurement of the three-body photodisintegration of helium-3
This experiment measured coincident neutron-proton pairs from the photodisintegration of 3He. The bremsstrahlung photon beam was produced by a 100 MeV electron beam, supplied by the University of Illinois Nuclear Physics Laboratory 100 % duty factor electron microtron. The energy and angle of the …
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A coincident measurement of the three-body photodisintegration of helium-3
This experiment measured coincident neutron-proton pairs from the photodisintegration of $\sp3$He. The bremsstrahlung photon beam was produced by a 100 MeV electron beam, supplied by the University of Illinois Nuclear Physics Laboratory 100% duty factor electron microtron. The energy and angle of …
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Pion single charge exchange in three body nuclei at intermediate energies
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1994.
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Toward a Rigorous Justification of the Three-Body Impact Parameter Approximation
… can be made arbitrarily close to the full three-body solution, uniformly in time, provided one of the large masses is fixed in place, and that such a result probably will not hold if we allow all the masses to move.
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A Low-Complexity Algorithm for Trajectory Generation in the Three-Body Problem
… methods of trajectory generation in this multi-body dynamical system for computationally limited systems. Thus, a low-complexity classical algorithm is proposed to achieve accurate orbital trajectories in the three-body problem. The proposed algorithm solves a polynomial interpolation problem, …
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Low thrust augmented periodic orbits in the two- and three-body problems
… libration points in the circular restricted three-body problem. In the Earth-Moon system, position-only feedback is used to stabilise the local dynamics, and interesting new multiply-periodic orbits are generated. The in-plane and out-of plane natural frequencies are then synchronised, …
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Coupled orbit-attitude mission design in the circular restricted three-body problem
<p>Trajectory design increasingly leverages multi-body dynamical structures that are based on an understanding of various types of orbits in the Circular Restricted Three-Body Problem (CR3BP). Given the more complex dynamical environment, mission applications may also benefit from deeper insight …
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