• 文献标题:   Multiphoton coherent states for bilayer graphene
  • 文献类型:   Article
  • 作  者:   FERNANDEZ DJ, MARTINEZMORENO DI
  • 作者关键词:   multiphoton, coherent, state, bilayer, graphene, fidelity, correlation function
  • 出版物名称:   PHYSICA SCRIPTA
  • ISSN:   0031-8949 EI 1402-4896
  • 通讯作者地址:  
  • 被引频次:   0
  • DOI:   10.1088/1402-4896/acc0ae
  • 出版年:   2023

▎ 摘  要

The multiphoton coherent states, a generalization to coherent states, are derived for electrons in bilayer graphene placed in a constant homogeneous magnetic field which is orthogonal to the bilayer surface. For that purpose a generalized annihilation operator is constructed in order to determine the multiphoton coherent states as eigenstates of such operator with complex eigenvalue. In addition, some physical quantities are calculated for these states, as the Heisenberg uncertainty relation, the probability density and the mean energy value. Finally, in order to study the dynamics of the system the time evolution is explored and the time-correlation function is computed.