Experimental signatures of quantum and topological states in frustrated magnetism
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …
the system from adopting long-range magnetic order and can instead lead to a diverse …
Proximate deconfined quantum critical point in SrCu2(BO3)2
The deconfined quantum critical point (DQCP) represents a paradigm shift in quantum
matter studies, presenting a “beyond Landau” scenario for order-order transitions. Its …
matter studies, presenting a “beyond Landau” scenario for order-order transitions. Its …
Disorder operator and Rényi entanglement entropy of symmetric mass generation
The “symmetric mass generation”(SMG) quantum phase transition discovered in recent
years has attracted great interest from both condensed matter and high energy theory …
years has attracted great interest from both condensed matter and high energy theory …
A quantum magnetic analogue to the critical point of water
JL Jiménez, SPG Crone, E Fogh, ME Zayed, R Lortz… - Nature, 2021 - nature.com
At the liquid–gas phase transition in water, the density has a discontinuity at atmospheric
pressure; however, the line of these first-order transitions defined by increasing the applied …
pressure; however, the line of these first-order transitions defined by increasing the applied …
Discovery of quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 under extreme conditions of field and pressure
The 2-dimensional layered oxide material SrCu2 (BO3) 2, long studied as a realization of
the Shastry-Sutherland spin topology, exhibits a range of intriguing physics as a function of …
the Shastry-Sutherland spin topology, exhibits a range of intriguing physics as a function of …
Deconfined quantum criticality lost
Over the past two decades, the enigma of the deconfined quantum critical point (DQCP) has
attracted broad attention across the condensed matter, quantum field theory, and high …
attracted broad attention across the condensed matter, quantum field theory, and high …
Phases of SO(5) Nonlinear Sigma Model with a Topological Term on a Sphere: Multicritical Point and Disorder Phase
Novel critical phenomena beyond the Landau-Ginzburg-Wilson paradigm have been long
sought after. Among many candidate scenarios, the deconfined quantum critical point …
sought after. Among many candidate scenarios, the deconfined quantum critical point …
Extracting subleading corrections in entanglement entropy at quantum phase transitions
We systematically investigate the finite size scaling behavior of the Rényi entanglement
entropy (EE) of several representative 2d quantum many-body systems between a …
entropy (EE) of several representative 2d quantum many-body systems between a …
Scaling of the disorder operator at deconfined quantum criticality
We study scaling behavior of the disorder parameter, defined as the expectation value of a
symmetry transformation applied to a finite region, at the deconfined quantum critical point in …
symmetry transformation applied to a finite region, at the deconfined quantum critical point in …
Emergent self-duality in a long-range critical spin chain: From deconfined criticality to first-order transition
Over the past few decades, tremendous efforts have been devoted to understanding self-
duality at the quantum critical point, which enlarges the global symmetry and constrains the …
duality at the quantum critical point, which enlarges the global symmetry and constrains the …