Dynamics of angular momentum coupling in an arbitrarily directed magnetic field
Brieger, M. (2000) Dynamics of angular momentum coupling in an arbitrarily directed magnetic field. DPG-Frühjahrstagung, Bonn, 03. - 07.04.2000.
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The choice of an axis of quantization automatically selects those species from a bulk which could become stationary in a field-free environment with related spatial orientations of their coupling angular momenta. But if this axis fails to coincide with the direction of a uniform external magnetic field, a field-imposed transverse torque forces these atoms' total angular momenta into steady nutation that cannot be abolished by coupling-related internal torques. Making any stationary state impossible for these atoms, it also causes the contributions to the energy expectation value to oscillate. This is the result of a rigorous solution to the time-dependent Schrödinger equation describing the coupling dynamics of two spins 1/2 in an external field. Demanding to solve a four-dimensional system of coupled linear differential equations of first order, the bulkiness of even this simplest case already brings the calculations to the verge of becoming infeasible analytically.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Dynamics of angular momentum coupling in an arbitrarily directed magnetic field|
|Page Range:||p. 935|
|Event Title:||DPG-Frühjahrstagung, Bonn, 03. - 07.04.2000|
|Organizer:||Deutsche Physikalische Gesellschaft|
|HGF - Research field:||Energy|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L - no assignement|
|DLR - Research area:||Energy|
|DLR - Program:||L - no assignement|
|DLR - Research theme (Project):||L - Laser Research and Technology|
|Institutes and Institutions:||Institute of Technical Physics|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 14:40|
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