U
Uma Divakaran
Researcher at Indian Institutes of Technology
Publications - 58
Citations - 1096
Uma Divakaran is an academic researcher from Indian Institutes of Technology. The author has contributed to research in topics: Quantum phase transition & Quantum critical point. The author has an hindex of 15, co-authored 54 publications receiving 883 citations. Previous affiliations of Uma Divakaran include Saarland University & Indian Institute of Technology Kanpur.
Papers
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Book ChapterDOI
Quantum Phase Transitions in Transverse Field Spin Models: Role of Quenched Disorder
Amit Dutta,Gabriel Aeppli,Bikas K. Chakrabarti,Uma Divakaran,Thomas F. Rosenbaum,Diptiman Sen +5 more
Journal ArticleDOI
Transverse Field Spin Models: From Statistical Physics to Quantum Information
TL;DR: In this article, the authors review quantum phase transitions of spin systems in transverse magnetic fields taking the examples of the spin-1/2 Ising and XY models in a transverse field.
Book ChapterDOI
Defect production due to quenching through a multicritical point and along a gapless line
TL;DR: In this article, the quenching dynamics of a one-dimensional Hamiltonian in a transverse field under linear variation of different parameters of the Hamiltonian so that the system is driven through various critical points and gapless lines is studied.
Book ChapterDOI
Quantum Phase Transitions in Transverse Field Spin Models: Experimental Realizations of Transverse Field Ising Systems
Amit Dutta,Gabriel Aeppli,Bikas K. Chakrabarti,Uma Divakaran,Thomas F. Rosenbaum,Diptiman Sen +5 more
Posted Content
Quenching along a gapless line: a new exponent for defect density
TL;DR: In this paper, a new quenching scheme was proposed to study the dynamics of a one-dimensional anisotropic spin-1/2 chain in the presence of a transverse field which alternates between the values $h+ \de$ and $h-\de$ from site to site.