Articles with "dirac particle" as a keyword



Quasienergy collapse in the driven Jaynes–Cummings–Rabi model: correspondence with a charged Dirac particle in an electromagnetic field

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Published in 2018 at "Physica Scripta"

DOI: 10.1088/1402-4896/aad6fc

Abstract: A system evolving under the driven Jaynes--Cummings model will undergo a phase transition at a critical driving field amplitude. This transition is foreshadowed by a collapse of the quasienergy level spectra of the system and… read more here.

Keywords: correspondence; field; model; jaynes cummings ... See more keywords
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Approximate path integral solution for a Dirac particle in a deformed Hulthén potential

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Published in 2017 at "Physics of Particles and Nuclei Letters"

DOI: 10.1134/s1547477117030104

Abstract: The problem of a Dirac particle moving in a deformed Hulthen potential is solved in the framework of the path integral formalism. With the help of the Biedenharn transformation, the construction of a closed form… read more here.

Keywords: green function; path integral; approximate path; dirac particle ... See more keywords
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Interaction of dirac particle AMM with Coulomb field of a superheavy nucleus: Perturbative and nonperturbative aspects

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Published in 2018 at "Physics of Particles and Nuclei Letters"

DOI: 10.1134/s1547477118010168

Abstract: The interaction ΔUAMM of the Dirac particle anomalous magnetic moment (AMM) with the Coulomb field of a nucleus and its effect on the low-lying atomic levels are studied for Zα > 1 using both perturbative… read more here.

Keywords: perturbative nonperturbative; amm coulomb; particle; dirac particle ... See more keywords
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The Dirac particle in the graphene dot confined within the magnetic barriers

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Published in 2017 at "Modern Physics Letters B"

DOI: 10.1142/s0217984917502736

Abstract: The analytical expressions for the eigenenergies and functions of the graphene quantum dot perpendicularly pierced by the different but parallel magnetic fields inside (B1) and outside (B2) dot have been derived with the ratio of… read more here.

Keywords: graphene dot; particle graphene; dot confined; wave functions ... See more keywords