scholarly journals Role of quantum fluctuations on spin liquids and ordered phases in the Heisenberg model on the honeycomb lattice

2018 ◽  
Vol 97 (20) ◽  
Author(s):  
Jaime Merino ◽  
Arnaud Ralko
Keyword(s):  
Heisenberg Model ◽  
Quantum Fluctuations ◽  
Honeycomb Lattice ◽  
Spin Liquids ◽  
Ordered Phases

scholarly journals Quantum loop states in spin-orbital models on the honeycomb lattice

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Lucile Savary
Keyword(s):  
Realistic Model ◽  
Quantum Spin ◽  
Honeycomb Lattice ◽  
Spin Liquids ◽  
Spin Orbital ◽  
Experimental Realization ◽  
Quantum Phases ◽  
Quantum Spin Liquids ◽  
Quantum Spin Liquid ◽  
Symmetry Protected

AbstractThe search for truly quantum phases of matter is a center piece of modern research in condensed matter physics. Quantum spin liquids, which host large amounts of entanglement—an entirely quantum feature where one part of a system cannot be measured without modifying the rest—are exemplars of such phases. Here, we devise a realistic model which relies upon the well-known Haldane chain phase, i.e. the phase of spin-1 chains which host fractional excitations at their ends, akin to the hallmark excitations of quantum spin liquids. We tune our model to exactly soluble points, and find that the ground state realizes Haldane chains whose physical supports fluctuate, realizing both quantum spin liquid like and symmetry-protected topological phases. Crucially, this model is expected to describe actual materials, and we provide a detailed set of material-specific constraints which may be readily used for an experimental realization.

Ordinary SQUID interferometers and superfluid helium matter wave interferometers: The role of quantum fluctuations

2010 ◽  
Vol 111 (2) ◽  
pp. 332-339 ◽  
Author(s):  
A. I. Golovashkin ◽  
L. N. Zherikhina ◽  
A. M. Tskhovrebov ◽  
G. N. Izmailov ◽  
V. V. Ozolin
Keyword(s):  
Superfluid Helium ◽  
Quantum Fluctuations ◽  
Matter Wave

Role of quantum fluctuations in the vortex solid to vortex liquid transition of type-II superconductors

2007 ◽  
Vol 76 (1) ◽  
Author(s):  
B. J. Taylor ◽  
D. J. Scanderbeg ◽  
M. B. Maple ◽  
C. Kwon ◽  
Q. X. Jia
Keyword(s):  
Quantum Fluctuations ◽  
Type Ii ◽  
Type Ii Superconductors ◽  
Vortex Liquid ◽  
Liquid Transition

Role of nonlocal exchange in molecular crystals: The case of two proton-ordered phases of ice

2011 ◽  
Vol 32 (10) ◽  
pp. 2177-2185 ◽  
Author(s):  
Frédéric Labat ◽  
Claude Pouchan ◽  
Carlo Adamo ◽  
Gustavo E. Scuseria
Keyword(s):  
Molecular Crystals ◽  
Ordered Phases
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