Relativistic classical limit of quantum theory

Ghi Ryang Shin, Johann Rafelski

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


We study the classical limit of the equal-time relativistic quantum transport theory. We discuss in qualitative terms the need to fold first the Wigner function with a coarse-graining function. Only then does the singularity at Latin small letter h with stroke→0 seem to be manageable. In the limit Latin small letter h with stroke→0, we obtain the relativistic Vlasov equations for the particle and the antiparticle sector of the Fock space. Similarly, we address the evolution equations of the spin and the magnetic-moment density.

Original languageEnglish (US)
Pages (from-to)1869-1874
Number of pages6
JournalPhysical Review A
Issue number3
StatePublished - 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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