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  Noncompeting channel approach to pair creation in supercritical fields

Lv, Q. Z., Liu, Y., Li, Y. J., Grobe, R., & Su, Q. (2013). Noncompeting channel approach to pair creation in supercritical fields. Physical Review Letters, 11(18): 183204. doi:10.1103/PhysRevLett.111.183204.

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Lv, Q. Z.1, Author
Liu, Y.2, Author
Li, Y. J.1, Author
Grobe, Rainer3, 4, Author           
Su, Q.2, 4, Author
Affiliations:
1State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Beijing 100083, China, ou_persistent22              
2Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China, ou_persistent22              
3Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,, ou_904546              
4Intense Laser Physics Theory Unit and Department of Physics, Illinois State University, Normal, Illinois 61790-4560, USA, ou_persistent22              

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 Abstract: The Dirac and Klein-Gordon equations are solved on a space-time grid to study the strong-field induced pair creation process for bosons and fermions from the vacuum. If the external field is sufficiently strong to induce bound states that are embedded in the negative energy continuum, a complex scaling technique of the Hamiltonian can predict the longtime behavior of the dynamics. In the case of multiple bound states this technique predicts the occurrence of a new collective time scale. The longtime behavior of the pair creation is not determined by a single (most important) channel, but collectively by the sum of all individual widths of the embedded states.

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 Dates: 2013-10-31
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.111.183204
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 11 (18) Sequence Number: 183204 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1