Analysis of marks recorded on magneto-optical media by the magnetic field modulation method

1994 ◽  
Vol 77 (6) ◽  
pp. 44-53
Author(s):  
Giichi Shibuya ◽  
Mitsunori Matsumoto ◽  
Akimitsu Morisako ◽  
Masanori Shibahara
2012 ◽  
Vol 10 (06) ◽  
pp. 1250068 ◽  
Author(s):  
E. A. IVANCHENKO

Based on the Liouville–von Neumann equation, we obtain a closed system of equations for the description of a qutrit or coupled qutrits in an arbitrary, time-dependent, external magnetic field. The dependence of the dynamics on the initial states and the magnetic field modulation is studied analytically and numerically. We compare the relative entanglement measure's dynamics in bi-qudits with permutation particle symmetry. We find the magnetic field modulation which retains the entanglement in the system of two coupled qutrits. Analytical formulae for the entanglement measures in finite chains from two to six qutrits or three quartits are presented.


1995 ◽  
Vol 74 (5) ◽  
pp. 797-800 ◽  
Author(s):  
D. A. Wollman ◽  
D. J. Van Harlingen ◽  
J. Giapintzakis ◽  
D. M. Ginsberg

1993 ◽  
Vol 17 (S_1_MORIS_92) ◽  
pp. S1_341-346 ◽  
Author(s):  
Y. Murakami ◽  
J. Nakayama ◽  
M. Mieda ◽  
A. Takahashi ◽  
K. Ohta ◽  
...  

1991 ◽  
Vol 6 (2) ◽  
pp. 167-178
Author(s):  
N. Miyatake ◽  
Y. Hino ◽  
K. Imanishi ◽  
Y. Fukamachi ◽  
K. Uchida ◽  
...  

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