5 papers
Berezinskii-Kosterlitz-Thouless Quantum Supercriticality in XXZ Heisenberg Spin Chain
Haoshun Chen, Enze Lv, Ning Xi +2
Quantum fluctuations can give rise to a singular quantum critical point (QCP) in the ground state, whose influence extends to finite temperatures, forming a quantum critical regime…
Universally Diverging Grüneisen Ratio of Holographic Quantum Criticality
Jun-Kun Zhao, Enze Lv, Wei Li +1
Quantum criticality is a hallmark of strongly correlated electron systems, as seen in heavy-fermion materials and high-temperature superconductors. Holographic duality provides a p…
Universal Scaling Functions of the Gr{ü}neisen Ratio near Quantum Critical Points
Xuan Zhou, Enze Lv, Wei Li +1
The Grüneisen ratio, defined as , serves as a highly sensitive probe for detecting quantum critical points (QCPs) driven by an external…
Universal Magnetocaloric Effect near Quantum Critical Point of Magnon Bose-Einstein Condensation
Junsen Xiang, Enze Lv, Qinxin Shen +19
Bose-Einstein condensation (BEC), a macroscopic quantum phenomenon arising from phase coherence and bosonic statistics, has been realized in quantum magnets. Here, we report the ob…
Quantum Supercritical Regime with Universal Magnetocaloric Scaling in Ising Magnets
Enze Lv, Ning Xi, Yuliang Jin +1
Quantum critical points ubiquitously emerge in strongly correlated systems, with their influence persisting at finite temperatures and external fields. A paradigmatic example is th…