Quantum griffiths singularity
Web141. 2015. Observation of quantum Griffiths singularity and ferromagnetism at the superconducting interface. S Shen, Y Xing, P Wang, H Liu, H Fu, Y Zhang, L He, XC Xie, X Lin, J Nie, ... Physical Review B 94 (14), 144517. , 2016. 40. 2016. Competing ν= 5/2 fractional quantum Hall states in confined geometry. WebSep 30, 2024 · The finite-size scaling uncovers the switch of universality class: quantum Griffiths singularity to multiple quantum criticality at a critical thickness of t c ⊥ 1 ~ 8 n m and then from multiple quantum criticality to single criticality at t c ⊥ 2 ~ 16 n m.
Quantum griffiths singularity
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WebDec 1, 2024 · The U.S. Department of Energy's Office of Scientific and Technical Information WebWe review quantum phase transitions of spin systems in transverse magnetic fields taking the examples of some paradigmatic models, namely, the spin-1/2 Ising and XY models in a transverse field in one and higher spatial dimensions. Beginning with a brief overview of quantum phase transitions, we introduce the model Hamiltonians and discuss the …
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WebOct 31, 2024 · Quantum Griffiths singularity (QGS) reveals the profound influence of quenched disorder on the quantum phase transitions, characterized by the divergence of … WebJan 6, 2024 · This work may provide a comprehensive interpretation of the QPT in 2DSC, where quantum Griffiths singularity is present in a graphene/Pb‐islands‐array hybrid, …
WebSep 18, 2024 · Disorder-induced Griffiths singularity of quantum phase transition (QPT) is a crucial issue in 2D superconductors (2DSC). In a superconducting system, the strength of …
WebThe Griffiths singularity in a phase transition, caused by disorder effects, was predicted more than 40 years ago. Its signature, the divergence of the dynamical critical exponent, is … ira first homeWebSep 24, 2024 · Quantum Griffiths singularity (QGS) reveals the profound influence of quenched disorder on the quantum phase transitions, characterized by the divergence of … orchids hervey bayWebAug 20, 2001 · A superconductor–metal transition (SMT) with an unconventional diverging dynamic critical exponent was recently discovered, and it drew tremendous attention because this signature of a quantum Griffiths singularity (QGS) was thought to be a common characteristic of low-disorder crystalline superconductors. ira footmanWebQuantum cohomology is a deformation of the cup product on H∗(X, C) defined in terms of the Gromov-Witten potential —a generating function for certain enu- merative invariants. If X is a Calabi-Yau manifold, the action of H 1 , 1 on ⊕Hp,p(X), with respect to the small quantum product, leads to a variation of Hodge structure, called the A-model variation by … orchids hawaiiWebThis important result further supports the hypothesis of singularity in the information matrix for the SN model for cases where the variable is a linear transformation of the location parameter. ... The first example is related to the household expenditure on food of 38 households taken from Griffiths et al. ... ira fisher obituaryWebMay 15, 2024 · [12] Xing Y et al 2015 Quantum Griffiths singularity of superconductor-metal transition in Ga thin films Science 350 542–5. Go to reference in article Crossref Google Scholar [13] Liu Y et al 2024 Anomalous quantum Griffiths singularity in ultrathin crystalline lead films Nat. Commun. 10 3633. Go to reference in article Crossref Google Scholar ira first time home purchaseWebSep 18, 2024 · Quantum Griffiths singularity is recognized for its multicrossing behavior and a divergent effective critical exponent zv → ∞. [1-6] To verify the nature of the multiple … ira first time homebuyer repairs