Nuclear spin-lattice and nuclear spin-spin relaxation time measurements in EuB6 at low temperatures using the spin-echo technique

Pramana ◽  
1977 ◽  
Vol 9 (3) ◽  
pp. 297-302
Author(s):  
MM Bajaj ◽  
M Kasaya
1961 ◽  
Vol 39 (6) ◽  
pp. 870-880 ◽  
Author(s):  
G. T. Needler ◽  
W. Opechowski

The Schwinger formula for the relaxation time T1 of nuclear spins in hydrogen gas is valid only for sufficiently low temperatures. In this paper an approximate theory of T1 is developed valid for any temperature. An explicit expression is given for T1 valid for temperatures up to room temperature; this expression reduces to the Schwinger formula for sufficiently low temperatures.


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