Quantum Helicity Entropy of Moving Bodies

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dc.creatorHe, Song
dc.creatorShao, Shuxin
dc.creatorZhang, Hongbao
dc.date2007-01-30
dc.date2007-07-30
dc.date.accessioned2026-07-07T11:03:38Z
dc.date.available2026-07-07T11:03:38Z
dc.descriptionLorentz transformation of the reduced helicity density matrix for a massive spin 1/2 particle is investigated in the framework of relativistic quantum information theory for the first time. The corresponding helicity entropy is calculated, which shows no invariant meaning as that of spin. The variation of the helicity entropy with the relative speed of motion of inertial observers, however, differs significantly from that of spin due to their distinct transformation behaviors under the action of Lorentz group. This novel and odd behavior unique to the helicity may be readily detected by high energy physics experiments. The underlying physical explanations are also discussed.
dc.descriptionversion to appear in Journal of Physics A as a Fast Track Communication
dc.identifierhttps://arxiv.org/abs/quant-ph/0701233
dc.identifierhttp://arxiv.org/abs/quant-ph/0701233
dc.identifierJ.Phys.A40:F857-F862,2007
dc.identifierdoi:10.1088/1751-8113/40/36/F02
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188658
dc.subjectQuantum Physics
dc.subjectHigh Energy Physics - Theory
dc.titleQuantum Helicity Entropy of Moving Bodies
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