scholarly journals Phase transition in perovskite manganites with orbital degree of freedom

2000 ◽  
Vol 61 (21) ◽  
pp. 14647-14655 ◽  
Author(s):  
S. Okamoto ◽  
S. Ishihara ◽  
S. Maekawa
Keyword(s):  
Phase Transition ◽  
Degree Of Freedom ◽  
Perovskite Manganites ◽  
Orbital Degree

Orbitronics: Mechanism of Orbital Current Generation and Dynamics

2020 ◽  
Vol 29 (10) ◽  
pp. 9-15
Author(s):  
Dongwook GO ◽  
Hyun-Woo LEE
Keyword(s):  
Hall Effect ◽  
Crystal Field ◽  
Degree Of Freedom ◽  
Spin Hall Effect ◽  
Current Generation ◽  
Orbital Degree

The orbital degree of freedom is often considered to be quenched in solids due to the potential of the crystal field. In contrast to such expectation, we showed recently that the orbital current can be electrically generated despite orbital quenching in equilibrium, leading to a phenomenon called the orbital Hall effect. In this article, we provide a pedagogical introduction to the concept of an orbital current in solids and the mechanism underlying the orbital Hall effect. We also discuss the relation between the orbital Hall effect and the spin Hall effect, as well as a way to utilize the orbital current in spin-orbitronic devices.

scholarly journals Possible Bose-Einstein condensate associated with an orbital degree of freedom in the Mott insulatorCaCrO3

2016 ◽  
Vol 94 (15) ◽  
Author(s):  
J.-S. Zhou ◽  
L.-P. Cao ◽  
J. A. Alonso ◽  
J. Sanchez-Benitez ◽  
M. T. Fernandez-Diaz ◽  
...  
Keyword(s):  
Einstein Condensate ◽  
Degree Of Freedom ◽  
Bose Einstein Condensate ◽  
Orbital Degree ◽  
Bose Einstein
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