scholarly journals Cavity-induced quantum spin liquids

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Alessio Chiocchetta ◽  
Dominik Kiese ◽  
Carl Philipp Zelle ◽  
Francesco Piazza ◽  
Sebastian Diehl
Keyword(s):  
Optical Cavity ◽  
Strongly Correlated Electrons ◽  
Quantum Spin ◽  
Square Lattice ◽  
Spin Liquids ◽  
Range Interaction ◽  
Quantum Spin Liquids ◽  
Electro Magnetic Field ◽  
Electro Magnetic ◽  
Liquid States

AbstractQuantum spin liquids provide paradigmatic examples of highly entangled quantum states of matter. Frustration is the key mechanism to favor spin liquids over more conventional magnetically ordered states. Here we propose to engineer frustration by exploiting the coupling of quantum magnets to the quantized light of an optical cavity. The interplay between the quantum fluctuations of the electro-magnetic field and the strongly correlated electrons results in a tunable long-range interaction between localized spins. This cavity-induced frustration robustly stabilizes spin liquid states, which occupy an extensive region in the phase diagram spanned by the range and strength of the tailored interaction. This occurs even in originally unfrustrated systems, as we showcase for the Heisenberg model on the square lattice.

scholarly journals Correlation holes and slow dynamics induced by fractional statistics in gapped quantum spin liquids

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Oliver Hart ◽  
Yuan Wan ◽  
Claudio Castelnovo
Keyword(s):  
Transport Properties ◽  
Realistic Model ◽  
Feedback Mechanism ◽  
Quantum Spin ◽  
Spin Liquid ◽  
Spin Liquids ◽  
Slow Dynamics ◽  
Temperature Dependent ◽  
Quantum Spin Liquids ◽  
Quantum Spin Liquid

AbstractRealistic model Hamiltonians for quantum spin liquids frequently exhibit a large separation of energy scales between their elementary excitations. At intermediate, experimentally relevant temperatures, some excitations are sparse and hop coherently, whereas others are thermally incoherent and dense. Here, we study the interplay of two such species of quasiparticle, dubbed spinons and visons, which are subject to nontrivial mutual statistics – one of the hallmarks of quantum spin liquid behaviour. Our results for $${{\mathbb{Z}}}_{2}$$ Z 2 quantum spin liquids show an intriguing feedback mechanism, akin to the Nagaoka effect, whereby spinons become localised on temperature-dependent patches of expelled visons. This phenomenon has important consequences for the thermodynamic and transport properties of the system, as well as for its response to quenches in temperature. We argue that these effects can be measured in experiments and may provide viable avenues for obtaining signatures of quantum spin liquid behaviour.

scholarly journals Doping Quantum Spin Liquids on the Kagome Lattice

2021 ◽  
pp. 2000126
Author(s):  
Cheng Peng ◽  
Yi‐Fan Jiang ◽  
Dong‐Ning Sheng ◽  
Hong‐Chen Jiang
Keyword(s):  
Quantum Spin ◽  
Spin Liquids ◽  
Kagome Lattice ◽  
Kagomé Lattice ◽  
Quantum Spin Liquids

scholarly journals Vestigial anyon condensation in kagome quantum spin liquids

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Yan-Cheng Wang ◽  
Zheng Yan ◽  
Chenjie Wang ◽  
Yang Qi ◽  
Zi Yang Meng
Keyword(s):  
Quantum Spin ◽  
Spin Liquids ◽  
Quantum Spin Liquids

scholarly journals Characterizing spin-one Kitaev quantum spin liquids

2021 ◽  
Vol 3 (1) ◽  
Author(s):  
Ilia Khait ◽  
P. Peter Stavropoulos ◽  
Hae-Young Kee ◽  
Yong Baek Kim
Keyword(s):  
Quantum Spin ◽  
Spin Liquids ◽  
Quantum Spin Liquids

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.

scholarly journals Topological insulators and quantum spin liquids

2012 ◽  
Vol 44 (5) ◽  
pp. 845-859 ◽  
Author(s):  
Gregory A. Fiete ◽  
Victor Chua ◽  
Mehdi Kargarian ◽  
Rex Lundgren ◽  
Andreas Rüegg ◽  
...  
Keyword(s):  
Topological Insulators ◽  
Quantum Spin ◽  
Spin Liquids ◽  
Quantum Spin Liquids

scholarly journals Classification and properties of quantum spin liquids on the hyperhoneycomb lattice

2018 ◽  
Vol 97 (19) ◽  
Author(s):  
Biao Huang ◽  
Wonjune Choi ◽  
Yong Baek Kim ◽  
Yuan-Ming Lu
Keyword(s):  
Quantum Spin ◽  
Spin Liquids ◽  
Quantum Spin Liquids

Do quantum spin liquids exist?

Physics Today ◽  
2016 ◽  
Vol 69 (8) ◽  
pp. 30-36 ◽  
Author(s):  
Takashi Imai ◽  
Young S. Lee
Keyword(s):  
Quantum Spin ◽  
Spin Liquids ◽  
Quantum Spin Liquids
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