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Scalar Charged Particle in Weyl–Wigner–Moyal Phase Space. Constant Magnetic Field

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Abstract

A relativistic phase-space representation for a class of observables with matrix-valued Weyl symbols proportional to the identity matrix (charge-invariant observables) is proposed. We take into account the nontrivial charge structure of the position and momentum operators. The evolution equation coincides with its analog in relativistic quantum mechanics with nonlocal Hamiltonian under conditions where particle-pair creation does not take place (free particle and constant magnetic field). The differences in the equations are connected with the peculiarities of the constraints on the initial conditions. An effective increase in coherence between eigenstates of the Hamiltonian is found and possibilities of its experimental observation are discussed.

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Authors and Affiliations

  1. Institute of Physics, National Academy of Sciences of Ukraine, Prospect Nauky 46, Kiev, 03028, Ukraine

    B. I. Lev & A. A. Semenov

  2. Physics Department, Taras Shevchenko Kiev University, Academician Glushkov Prospect 6, Kiev, 03127, Ukraine

    B. I. Lev & C. V. Usenko

Authors
  1. B. I. Lev
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  2. A. A. Semenov
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  3. C. V. Usenko
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Lev, B.I., Semenov, A.A. & Usenko, C.V. Scalar Charged Particle in Weyl–Wigner–Moyal Phase Space. Constant Magnetic Field. Journal of Russian Laser Research 23, 347–368 (2002). https://doi.org/10.1023/A:1016342310852

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