scholarly journals Ground state and far-infrared absorption of two-electron rings in a magnetic field

2001 ◽  
Vol 63 (12) ◽  
Author(s):  
Antonio Puente ◽  
Llorenç Serra
2001 ◽  
Vol 63 (21) ◽  
Author(s):  
A. B. Sushkov ◽  
B. R. Jones ◽  
J. L. Musfeldt ◽  
Y. J. Wang ◽  
R. M. Achey ◽  
...  

1997 ◽  
Vol 56 (24) ◽  
pp. 15760-15769 ◽  
Author(s):  
O. Mayrock ◽  
S. A. Mikhailov ◽  
T. Darnhofer ◽  
U. Rössler

1977 ◽  
Vol 38 (C2) ◽  
pp. C2-93-C2-96 ◽  
Author(s):  
C. G. GRANQVIST ◽  
R. A. BUHRMAN ◽  
J. WYNS ◽  
A. J. SIEVERS

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Matúš Orendáč ◽  
Slavomír Gabáni ◽  
Pavol Farkašovský ◽  
Emil Gažo ◽  
Jozef Kačmarčík ◽  
...  

AbstractWe present a study of the ground state and stability of the fractional plateau phase (FPP) with M/Msat = 1/8 in the metallic Shastry–Sutherland system TmB4. Magnetization (M) measurements show that the FPP states are thermodynamically stable when the sample is cooled in constant magnetic field from the paramagnetic phase to the ordered one at 2 K. On the other hand, after zero-field cooling and subsequent magnetization these states appear to be of dynamic origin. In this case the FPP states are closely associated with the half plateau phase (HPP, M/Msat = ½), mediate the HPP to the low-field antiferromagnetic (AF) phase and depend on the thermodynamic history. Thus, in the same place of the phase diagram both, the stable and the metastable (dynamic) fractional plateau (FP) states, can be observed, depending on the way they are reached. In case of metastable FP states thermodynamic paths are identified that lead to very flat fractional plateaus in the FPP. Moreover, with a further decrease of magnetic field also the low-field AF phase becomes influenced and exhibits a plateau of the order of 1/1000 Msat.


1997 ◽  
Vol 56 (4) ◽  
pp. R2510-R2513 ◽  
Author(s):  
Yu. P. Kravchenko ◽  
M. A. Liberman

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