69 citations · 427 across the 10 of their papers we have counts for
5 papers · 1 filter
Boundary multifractality at the integer quantum Hall plateau transition: implications for the critical theory
H. Obuse, A. R. Subramaniam, A. Furusaki +2
We study multifractal spectra of critical wave functions at the integer quantum Hall plateau transition using the Chalker-Coddington network model. Our numerical results provide im…
Boundary criticality and multifractality at the 2D spin quantum Hall transition
Arvind R. Subramaniam, Ilya A. Gruzberg, Andreas W. W. Ludwig
Multifractal scaling of critical wave functions at a disorder-driven (Anderson) localization transition is modified near boundaries of a sample. Here this effect is studied for the…
Entanglement entropy and multifractality at localization transitions
X. Jia, A. R. Subramaniam, I. A. Gruzberg +1
The von Neumann entanglement entropy is a useful measure to characterize a quantum phase transition. We investigate the non-analyticity of this entropy at disorder-dominated quantu…
Boundary multifractality in critical 1D systems with long-range hopping
A. Mildenberger, A. R. Subramaniam, R. Narayanan +3
Boundary multifractality of electronic wave functions is studied analytically and numerically for the power-law random banded matrix (PRBM) model, describing a critical one-dimensi…
Surface criticality and multifractality at localization transitions
A. R. Subramaniam, I. A. Gruzberg, A. W. W. Ludwig +3
We develop the concept of surface multifractality for localization-delocalization (LD) transitions in disordered electronic systems. We point out that the critical behavior of vari…