Wouthuysen–Field coupling, or the Wouthuysen–Field effect, is a mechanism that couples the excitation temperature, also called the spin temperature, of...
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Lawrence Foldy to develop the Foldy–Wouthuysen transformation, and with George B. Field to develop the Wouthuysen–Field coupling. "Album Academicum". Retrieved...
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it will produce a 21-cm line signal in that hydrogen through Wouthuysen-Field coupling. By studying 21-cm line emission, it will be possible to learn...
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dark matter candidates. Recombination Chronology of the universe Wouthuysen–Field coupling Ryden, Barbara Sue (2003). Introduction to cosmology. San Francisco:...
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Pauli equation follows from Dirac equation in an external field and performing a Foldy–Wouthuysen transformation considering terms up to order O ( 1 / m...
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(2001-09-25). "Deep-Earth reactor: Nuclear fission, helium, and the geomagnetic field". PNAS. 98 (20): 11085–90. Bibcode:2001PNAS...9811085H. doi:10.1073/pnas...
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relative to the cosmic microwave background (the mechanism is Wouthuysen–Field coupling). A "more exotic scenario," encouraged by the unexpected strength...
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Dirac equation (redirect from Dirac field bilinear)
the Hamiltonian, representing a semi-classical coupling of this wave function to an applied magnetic field, as so in SI units: (Note that bold faced characters...
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Aperture Experiment to Detect the Dark Ages (LEDA). Reionization Wouthuysen-Field coupling This article incorporates public domain material from DARE paper...
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Zitterbewegung (category Quantum field theory)
The standard relativistic velocity can be recovered by taking a Foldy–Wouthuysen transformation, when the positive and negative components are decoupled...
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{\mathbf {r} }}\right]} which must have eigenvalues between ±c. See Foldy–Wouthuysen transformation for more theoretical background. The Hamiltonian operators...
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Archived from the original on 2022-02-04. Retrieved 2020-08-25. Foldy, L.L.; Wouthuysen, S. (1950). "On the Dirac Theory of Spin 1/2 Particles and Its Non-Relativistic...
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Fock–Lorentz symmetry Focus (optics) Foe (unit) Fog bow Folded optics Foldy–Wouthuysen transformation Foot-lambert Foot per second For All Practical Purposes...
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structure very similar to the Dirac equation, making it amenable to the Foldy-Wouthuysen technique. This approach is very similar to one developed for the quantum...
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Bargmann–Wigner equations (category Quantum field theory)
2014-08-17. V. P. Neznamov (2006). "On the theory of interacting fields in Foldy-Wouthuysen representation". Phys. Part. Nucl. 37 (2006): 86–103. arXiv:hep-th/0411050...
20 KB (2,501 words) - 13:49, 23 December 2023