|   | Dispersion relation  \
 
    w  versus q a for surface and bulk
		magnetoplasmons due to the intra- and inter-Landau levels (left-hand side and right-hand side), 
		where the  wij+  and 
        wij-  are maximum and minimum dispersion energy of the bulk magnetoplasmon
		modes, respectively, and the   wijS  
        is the dispersion energy of the surface magnetoplasmon modes. 
                Here i and j represent the Landau
		level index, respectively. The values of the parameters are as follows: 
		n  = 7.7x1011 cm-2,  a = 82.7 nm, 
		L = 30 nm, m= 0.0665 m0 , 
		e = 13.1, 
		e0 = 1.0, and  
		Eij = (i-j)hw . | 
  
    |   | Dispersion relation  hw 
        versus the strength of magnetic
		field  B  for surface and bulk magnetoplasmons due to the intra- and inter-Landau levels (left-hand side and right-hand side). 
		Here i and j represent the Landau level index, respectively. 
The values of the parameters are as follows: 
		n  = 7.7x1011 cm-2,  a = 82.7 nm, 
		L = 30 nm, m= 0.0665 m0 , 
		e = 13.1, 
		e0 = 1.0, and  
		Eij = (i-j)hw . | 
  
    |   | Dispersion relation  hw 
        versus the ratio of the confining
		potential parameter to cyclotron resonance frequency  wz/wc 
        for surface and bulk magnetoplasmons due to the intra- and inter-Landau
		levels (left-hand side and right-hand side). 
	The values of the parameters are as follows: 
		n  = 7.7x1011 cm-2,  a = 82.7 nm, 
		L = 30 nm, m= 0.0665 m0 , 
		e = 13.1, 
		e0 = 1.0, and  
		Eij = (i-j)hw . | 
  
    |   | Raman intensities for surface and bulk magnetoplasmons
		due to the inter-Landau levels at a specific value of qa = 3.0 and 
		kz = 2pa/5. 
	The values of the parameters are as follows: 
 		 l  = a2d = L, and N = 40 
 		and  g  = 0.02 meV. |