Avinash Singh      
Professor                          
Department of Physics              
Indian Institute of Technology Kanpur
Kanpur - 208016 India    

Office:   376, Faculty Building
Phone:  +91-512-259-7047 (O), 259-8476 (H)
Fax:      +91-512-259-0914, 259-0007                      
Email:    avinas@iitk.ac.in

CV
Research Interests
Research Projects
Ph D Supervision
M Sc Project Supervision
Publications:                          1985-1990    1991-1995    1996-2000     2001-2005     2006-2015

Ph D students:
Nimisha Raghuvanshi
Sayandip Ghosh
Shubhajyoti Mohapatra

Current Research

1. Unified Description of  Magnetic and Electronic Excitations  
    in Cuprate Antiferromagnets

 Spin-wave spectrum fit with
 high-resolution neutron scattering
 data for La₂CuO₄
                                                                                             
 Phys. Rev. B 66, 092402 (2002)

Quasiparticle dispersion fit with
ARPES data for Sr₂CuO₂Cl₂

Phys. Rev. B 70, 115103 (2004)

2. Spin Fluctuations in Triangular-Lattice Systems ---
Interplay of Electronic Correlation and Magnetic Frustration Effects

    U-controlled Frustration,
    Vanishing Spin Stiffness,
    and Quantum Phase Transition 

    Phys. Rev. B 71, 214406 (2005)

  Electron and Hole pockets
  in a doped triangular-lattice
  antiferromagnet

 









 





 Electron and Hole Dynamics in the 
 Triangular-Lattice Antiferromagnet

 Phys. Rev. B 72, 224409 (2005)

 

3. Goldstone-mode Preserving Investigation of
    Correlation Effects in a Band Ferromagnet

    



 Order 1/N Quantum Corrections to the
 Irreducible Particle-Hole Propagator
   
 Spin-Rotationally-Symmetric Study with
 Self-energy and Vertex Corrections

 Phys. Rev. B 74, 224437 (2006)

Band Ferromagnetism in the t-t' Hubbard Model
Phys. Rev. B 75, 064412 (2007)

4. Spin Dynamics in Diluted Magnetic Semiconductors

 Dilution-induced
 magnon softening

Spin Clustering Induced
Weakening of Ferromagnetism in
Diluted Magnetic Semiconductors  
Phys. Rev. B 75, 035206 (2007)

 



Finite-Temperature Spin Dynamics
studied using 
Locally Self-Consistent
Magnon Renormalization Scheme

 Phys. Rev. B 75, 035206 (2007)
 J. Phys.: Condens. Matter       
 19, 236213 (2007)