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Lodari, M.M.M., Tosato, A.A.A., Sabbagh, D., Schubert, M.A., Capellini, G., Smmak, A., Veldhorst, M. and Scappucci, G. (2019) Light Effective Hole Mass in Undoped Ge/SiGe Quantum Wells. Physical Review B, 100, 041304(R).
https://doi.org/10.1103/PhysRevB.100.041304

has been cited by the following article:

• TITLE: Effective Mass Model Reduced to Ordinary Mass Using Newton’s, Quantum and Generalized Special Relativity

  AUTHORS: Nagwa Idriss Ali Ahmed, Mohamed Idriss Ahmed, Mubarak Dirar Abd-Alla

  KEYWORDS: Effective Mass, Newton’s Second, Quantum Momentum, Generalized Special Relativity

  JOURNAL NAME: Natural Science, Vol.13 No.9, September 10, 2021

  ABSTRACT: The concept of the effective mass in crystals shows that the electron mass is affected by the crystal field and was experimentally verified. A useful expression for effective mass was obtained. Unfortunately this expression showed that the effective mass vanishes in the ab-sence of the external field. This is in conflict with observations which show that it reduces to the ordinary mass. To cure this defect a new model is developed assuming the existence of vacuum force as verified experimentally as shown by Casimir effect. Using Newton’s second law and the quantum expression of momentum, useful expressions were found. The same expression was found using generalized special relativity. Strikingly the three models reduced to the conventional one in the absence of vacuum, they also reduced to the ordinary electron mass in the absence of all forces.