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4篇 您的检索式:作者名="TSIGARIDAS N"
    题名 作者 年代 出处 被引量
1Spinal cord stimulation in refractory angina:a systematic review of randomized controlled trials显示文摘Tsigaridas N Naka K Tsapogas P 2015Acta Cardiol2015,70,2:1
2Spinal cord stimula- tion in refractory angina: A systematic review of randomized con- trolled trials显示文摘TSIGARIDAS N NAKA K TSAPOGAS P 2015Acta Cardiol2015,70,2:1
3Behaviour of Listeria monocytogenes and autochthonous flora on meat stored under aerobic, vacuum and modified atmosphere packaging conditions with or without the presence of oregano essential oil at5 C 显示文摘TSIGARIDA E SKANDAMIS P N Nychas G:-J E 2000Journal of Applied Microbiology2000,89,6:1
4On the connection between the solutions to the Dirac and Weyl equations and the corresponding electromagnetic four-potentials显示文摘In this work we study in detail the connection between the solutions to the Dirac and Weyl equations and the associated electromagnetic four-potentials.First,it is proven that all solutions to the Weyl equation are degenerate,in the sense that they correspond to an infinite number of electromagnetic four-potentials.As far as the solutions to the Dirac equation are concerned,it is shown that they can be classified into two classes.The elements of the first class correspond to one and only one four-potential,and are called non-degenerate Dirac solutions.On the other hand,the elements of the second class correspond to an infinite number of four-potentials,and are called degenerate Dirac solutions.Further,it is proven that at least two of these fourpotentials are gauge-inequivalent,corresponding to different electromagnetic fields.In order to illustrate this particularly important result we have studied the degenerate solutions to the forcefree Dirac equation and shown that they correspond to massless particles.We have also provided explicit examples regarding solutions to the force-free Weyl equation and the Weyl equation for a constant magnetic field.In all cases we have calculated the infinite number of different electromagnetic fields corresponding to these solutions.Finally,we have discussed potential applications of our results in cosmology,materials science and nanoelectronics.Aristides I Kechriniotis Christos A Tsonos Konstantinos K Delibasis Georgios N Tsigaridas 2020Communications in Theoretical Physics2020,72,4:0
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