Dynamics and transport at the threshold of many-body localization

S Gopalakrishnan, SA Parameswaran - Physics Reports, 2020 - Elsevier
Many-body localization (MBL) describes a class of systems that do not approach thermal
equilibrium under their intrinsic dynamics; MBL and conventional thermalizing systems form …

Enhanced atomic ordering leads to high thermoelectric performance in AgSbTe2

S Roychowdhury, T Ghosh, R Arora, M Samanta, L ** Induced Reduction in Structural Disorder Enhances the Thermoelectric Performance in AgSbTe2
A Bhui, S Das, R Arora, U Bhat, P Dutta… - Journal of the …, 2023 - ACS Publications
Defect engineering, achieved by precise tuning of the atomic disorder within crystalline
solids, forms a cornerstone of structural chemistry. This nuanced approach holds the …

Single-particle mobility edge in a one-dimensional quasiperiodic optical lattice

HP Lüschen, S Scherg, T Kohlert, M Schreiber… - Physical review …, 2018 - APS
A single-particle mobility edge (SPME) marks a critical energy separating extended from
localized states in a quantum system. In one-dimensional systems with uncorrelated …

High-Performance Thermoelectric Energy Conversion: A Tale of Atomic Ordering in AgSbTe2

T Ghosh, S Roychowdhury, M Dutta… - ACS Energy …, 2021 - ACS Publications
The highly enhanced thermoelectric figure of merit, zT≈ 2.6 at 573 K, obtained recently in
Cd-doped polycrystalline AgSbTe2 by Roychowdhury et al.(Science 2021, 371, 722) brings …

Reentrant localization transition in a quasiperiodic chain

S Roy, T Mishra, B Tanatar, S Basu - Physical Review Letters, 2021 - APS
Systems with quasiperiodic disorder are known to exhibit a localization transition in low
dimensions. After a critical strength of disorder, all the states of the system become localized …