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gr-qc2025
Emergent time and more from wavefunction collapse in general relativity
Sung-Sik Lee
In this paper, we further develop a recently proposed theory of time based on wavefunction collapse in general relativity. It is based on the postulations that quantum states, whic…
cond-mat.supr-con2025
Quantum criticality in cuprate superconductors revealed by optical conductivity measurement
Hwiwoo Park, Sung-Sik Lee, G. D. Gu +1
The ubiquitous temperature ()-linear behaviour of the transport scattering rate in the normal state of strongly correlated electron systems is called strange metallicity \cite{z…
cond-mat.str-el2025★ 1 cited
Ultraviolet/infrared mixing-driven suppression of Kondo screening in the antiferromagnetic quantum critical metal
Francisco Borges, Peter Lunts, Sung-Sik Lee
We study a magnetic impurity immersed in the two-dimensional antiferromagnetic quantum critical metal (AFQCM), using the field-theoretic functional renormalization group. Critical…